Defining Additional Attributes of Fields

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# Defining Additional Attributes of Fields

If Additional attributes is set to Y, a window is displayed containing additional attributes for selection.

Only those types of additional attributes appear in the window that apply to the type of field. For example: the option Adabas security & Edit mask is not contained in the list when a DB2 index field is processed.

More than one choice can be made at a time. The respective input maps are then displayed one after the other.

The additional attributes are described in the following sections.

- 3GL Specification

- Condition Name and Value

- Field Name Synonyms

- Old Mode Synonyms

- Adabas Security and Edit mask

- DBMS Extensions

- Field Procedure

- Derived Field Expression

- Index Definition - DB2

- Index Definition - Oracle

- Default value

- Constraint name

- Identity definition / Change log

- Platform Compatibilities

- Base Extensions

## 3GL Specification

        13:06:25             *****  P R E D I C T  *****              2007-05-31
                                      - Modify Field -
        Field ID ........ HNO-EL1                             Added 2007-05-31 at 12:55
        File ID ......... HNO-FI1                                by HNO

        Ty L Field ID                         F  Cs Length   Occ   D U DB N NAT-l
        *- - -------------------------------- *-  - -------- ----- * * -- * -----
           1 HNO-EL1                          A     2.0                AA N

        Specifications for 3GL
          Gr.structur ........   (n)
          Justify ............   (R)
          Synchronized .......   (S)
          Initialize with ...*
            Init value .......
          Indexed by .........
          Depending on .......

Attributes
Gr.structure | The field attribute Gr.structure is used to change the record layout generated from a PE/PC field. If Gr.structure is set to N, all fields within a PE group are treated as multiple value fields. Setting Gr.structure to N prevents the format buffer for Adabas from becoming very large. Gr.structure = N can only be specified for real fields in the deepest PE group (highest level number). For example: if there are 3 PE groups in the file on level 1, 4 and 6, only the PE groups on level 6 can be marked with Gr.structure = N. If Gr.structure is set to blank, PE/PC groups are to be generated as groups which occur n times as a whole.
Justify |
R | When COBOL copy code is generated, the statement JUSTIFIED RIGHT is added for this field. Any data written to this field is then right-justified.
L | Data will be left-justified. Default.
Synchronized |
Applicable to fields of format I, F or B and length 1, 2, 4 or 8.
S | When Assembler, COBOL or PL/I copy/include code or a record layout is generated, this field can be aligned on a half-word, word, or double-word boundary (speeding up arithmetic operations). This affects format buffer generation and the offsets of the fields in the record buffer. Slack-bytes are inserted into the record buffer by the assembler or compiler but they are built into any format buffer by Predict using space characters X.
Initialize with |
Determines the initial value for generation. To be used instead of the standard value (zeros for a numeric field, blanks for an alphanumeric field).
S | blank
L | low value
H | high value
Z | zero
Q | quote
F | Fill with string specified in the parameter Init. value (mandatory). For example: if X is specified and the field length is 4, XXXX will be used for initialization.
blank | Field will be initialized with the string specified in the field Init. value. If no Init. value is specified, no initialization is performed.
Init. value | If Initialize with is either F or blank a value used for initialization of a field must/can be specified. Length and format of the Init value must be valid for the field. For binary fields hexadecimal constants such as FB0A are valid. Hexadecimal values can be specified in two ways: if Format=B, hexadecimal values can be specified directly. Example: F0 if Format=A, hexadecimal values must be preceded by uppercase X or H and be enclosed in single quotes. Example: X'F0' or H'F0' See also Condition Name and Value.
Indexed by | String that is used when generating the COBOL INDEXED BY clause (only valid for fields of type MU/MC or PE/PC).
Depending on | String used when generating the COBOL DEPENDING ON clause (only valid for fields of type MU/MC or PE/PC).

## Condition Name and Value

        13:04:26             *****  P R E D I C T  *****              2007-05-31
                                      - Modify Field -
        Field ID ........ VE-FIELD                         Modified 2007-05-31 at 12:21
        File ID ......... HEB-A                                  by HEB

        Ty L Field ID                         F  Cs Length   Occ   D U DB N NAT-l
        *- - -------------------------------- *-  - -------- ----- * * -- * -----
           1 VE-FIELD                         A     3.0                AA N

        Condition name                FC * Condition value

          Additional attributes ..* S          Associations ..* N     Scroll to .. 1

Attributes
Condition name | A value to be used when generating either equate data in Assembler copy code or a level 88 entry in COBOL copy code. Up to 29,970 condition names can be entered. Each name needs at least one corresponding condition value. Using condition names can make logical conditions and assignments easier to handle.
FC |
Figurative constant. Valid values:
S | blank
L | low value
H | high value
Z | zero
Q | quote
F | Fill with string specified in the parameter Condition. value. For example: if X is specified an the field length is 4, XXXX is used as condition value.
blank | The string specified in the field Condition value is used.
Condition value | The length and format of this value must be valid for this field. This value must have a corresponding condition name. Up to 29,970 condition values can be entered. If several values correspond to the same name, put the name before the first value and leave the name field blank before later values. THRU in the name field indicates a range of values ending with the value on that line and beginning with the value on the previous line.

## Field Name Synonyms

        13:48:12            *****  P R E D I C T  *****              2007-05-31
                                     - Modify Field -
        Field ID ........ PD-A2                              Added 2007-05-31 at 12:10
        File ID ......... PD-A-TEST3                      Modified 2007-05-31 at 13:08

        Ty L Field name                       F  Cs Length   Occ   D U DB N NAT-l
        *- - -------------------------------- *-  - -------- ----- * * -- * -----
           2 PD-A2                            A     2.0                AF

        Field name synonyms
          Natural .............
          COBOL ...............
          PL/I ................
          BAL/Assembler .......
          FORTRAN .............
          Pascal ..............
          Language ADA ........
          Language C ..........
          User defined ........

          Additional attributes ..* S          Associations ..* N

Attributes
Field name synonyms | Synonyms to be assigned to the field when definitions in the following programing languages are generated: Natural, COBOL, PL/I, BAL (Assembler), FORTRAN, PASCAL, ADA or C.

## Old Mode Synonyms

This option is only provided for compatibility with old versions of Predict.

Whether this option is displayed depends on the parameter Old mode synonyms of the screen Defaults ->General defaults -> Synonyms:

N | Default setting. Compatibility with old versions is not required.
Y | Up to 90 synonyms can be defined as Natural synonyms. These create additional entries in the DDM which have the same attributes as the original object but different names.

        13:10:46             *****  P R E D I C T  *****             2007-05-31
                                      - Modify Field -
        Field ID ........ PDS                             Modified 2007-05-31 at 13:01
        File ID ......... PD-D1                                 by PD

             Field synonym                         Field synonym

          1                                     2
          3                                     4
          5                                     6
          7                                     8
          9                                    10
         11                                    12
         13                                    14
         15                                    16
         17                                    18
         19                                    20
         21                                    22
         23                                    24
         25                                    26
         27                                    28
         29                                    30

          Additional attributes ..* S          Associations ..* N        Scroll to:

## Adabas Security and Edit mask

        17:22:19                *****  P R E D I C T  *****                  2011-09-05
                                  - Modify Field -
    Field ID ........ HNO-EL-A                            Added 2011-09-05 at 17:16
    File ID ......... SMR-AV82                               by HNO

    Ty L Field ID                         F Cs Length   Occ   D U DB S NAT-l
    *- - -------------------------------- *- * -------- ----- * * -- * -----
       1 HNO-EL-A                         T                       AJ N

    Adabas attributes
      Edit mask .............*
      Time zone ..............     (Y/N)
      Daylight saving ........     (Y/N)
      Security access level ..     (0-15)
      Security update level ..     (0-15)

      Additional attributes ..* N          Associations ..* N

Attributes
Edit mask |
The Adabas edit mask to be used for the field. Determines how numeric fields are to be edited.
Valid values for Edit mask rules used in the COBOL programming language:
E1...E15. Edit mask is supported for compatibility reasons and for documentation purposes only. See the section Format Buffer Syntax in the Adabas Command Reference documentation for more information.
Valid values for Date-Time Edit masks:
D | Date.
T | Time.
DT | Datetime.
TS | Timestamp.
NT | Natural time.
ND | Natural date.
UT | Linux time.
XTS | Linux timestamp.
blank | None.
In Predict, fields with format D by default use Natural date (NATDATE) and fields with format T by default use Natural time (NATTIME) Edit masks. The different Date-Time Edit masks require different minimum numeric field lengths. Detailed information is given in section Date-Time Edit Mask Reference of the Adabas Mainframe documentation.
Time zone | The time zone in which a timestamp is applied. Only available for fields using one of the following Adabas edit masks described above: DT, NT, TS, UT or XTS.
Daylight saving | The daylight savings indicator can only be specified for date-time fields defined with the TZ option. Indicates whether daylight saving applies (Y) or not (N).
Security access level | The Adabas access security level of the field.
Security update level | The Adabas update security level of the field.

## DBMS Extensions

Applicable only to DB2 fields of type D or MT, Oracle fields of type OT and to Adabas fields of type A.

The following screen shows the options for DB2 fields of type D and MT.

    16:16:33                *****  P R E D I C T  *****                  2011-11-17
                                  - Modify Field -
    Field ID ........ SUPER_HASH                          Added 2011-10-17 at 15:29
    File ID ......... XYZ-D_HASH_PART                        by XYZ

    Ty L Field ID                         F Cs Length   Occ   D U DB N Df NAT-l
    *- - -------------------------------- *- * -------- ----- * * -- * *- -----
    SP 1 SUPER_HASH                                           D U AC

    DBMS extensions in <Default Server>
      Use as security label ..   (Y,N)
      Partitioning ..........* Q DPSI and table partitioning key
      Use as hash key ........ Y (Y,N)
      Cluster index .......... N (Y,N)
      Exclude NULL keys ...... Y (Y,N)

    * Additional attributes ..* S          Associations ..* N

Additional attributes are available for files of type D and MT that are used as accelerator tables.

    18:17:10                *****  P R E D I C T  *****                  2020-07-02
                                   - Modify file -
    File ID ......... XYZ-DB_V12                       Modified 2020-04-06 at 13:35
                                                             by XYZ

    DBMS extensions in <Default Server>
      Keylabel name .... on default                                         Zoom: N
      Accelerator name . ACC IN D

    * Additional attributes ..* S        * Associations ..* S

The following screen shows the options for Adabas fields of type A.

    15:03:54                *****  P R E D I C T  *****                  2011-11-10
                                  - Modify Field -
    Field ID ........ AA-FIELD                         Modified 2011-08-05 at 09:28
    File ID ......... SMR-AV82                               by XYZ

    Ty L Field ID                         F Cs Length   Occ   D U DB N Df NAT-l
    *- - -------------------------------- *- * -------- ----- * * -- * *- -----
    MU 1 AA-FIELD                         A        8.0  300       AA

    DBMS extensions
      System field .........* JN Jobname

    * Additional attributes ..* S          Associations ..* N

The following screen shows the options for Oracle fields of type OT.

    17:55:26                *****  P R E D I C T  *****                  2017-07-31
                                  - Modify Field -
    Field ID ........ XYZ_OT_INDEX                     Modified 2017-07-31 at 17:50
    File ID ......... XYZ-OTI                                by XYZ

    Ty L Field ID                         F Cs Length   Occ   D U DB N Df NAT-l
    *- - -------------------------------- *- * -------- ----- * * -- * *- -----
       1 XYZ_OT_INDEX                     A       15.0            AL U

    DBMS extensions in XYZ-ORA1
      Partitioning key ....*
      Partitioned index ...*
      Sort .................   (Y/N)
      Cluster column .......   (Y/N)
      Encryption ..........*
      Integrity algorithm .*
      Salt .................   (Y/N)
      Include column .......   (Y/N)

    * Additional attributes ..* S          Associations ..* N

Attributes
Use as security label | Specifies that the table column will contain security label values. A table can have only one security label column. To define a table with a security label column, the primary authorization ID of the statement must have a valid security label, and the RACF SECLABEL class must be active. In addition, the following conditions are also required: The data type of the column must be CHAR(8). The subtype of the column must be SBCS. The column must be defined with the NOT NULL and WITH DEFAULT clauses. No field procedures, check constraints, or referential constraints are defined on the column. An edit procedure is not defined on the table. Refer to your DB2 documentation for further details.
Partitioning | Indicates for each implementation of a table in an SQL server, which field controls the partitioning. Valid values:
blank | Non-partitioning. The current field is not a partitioning key and has no index.
T | Table partitioning key. The table is data partitioned and the current field is the partitioning key. Additionally, it may have a non-partitioned index.
I | Index controlled key. The table partitioning is controlled by a partitioning index. The current field must have an index defined; this is indicated by descriptor type D (index), P (primary key) or F (foreign index).
N | Non-partitioned secondary index. The field has a non-partitioned index, but it is not the partitioning key.
P | Data partitioned secondary index (DPSI). The field has a partitioned index, but it is not the partitioning key. Within the file a different field must be defined as partitioning key.
Q | Table partitioning key and DPSI. The table is data partitioned and the current field is the partitioning key. In addition, a partitioned index is defined for the field.
Cluster index | Only available for descriptor type D (index), P (primary key) or F (foreign index).
Y | The records (rows) in the DB2 table are stored in the sequence of this index. Valid for max. one index per table. A table contained in a partitioned tablespace must have one index marked as a clustered index, if the partitioning option Index controlled key is to be used.
Use as hash key | Only available for DB2 fields of type D. Indicates whether the current field is used as hash key. Must be unique.
Y | Yes. Must be set if the table is hash organized.
N | No.
Exclude NULL keys | Only available for DB2 fields of type D and MT. Indicates whether NULL keys are excluded.
blank | Not specified.
Y | Yes.
N | No.
System field | Only available for Adabas fields of type A. Type of the system-generated field in Adabas. Valid values:
JN | Job name. For alphanumeric fields only. Length must be 8 or greater.
OU | Open command user. For alphanumeric fields only. Length must be 8 or greater.
SC | Security user. For alphanumeric fields only. Length must be 8 or greater.
SI | Session ID. For alphanumeric fields only. Length must be 28 or greater.
SU | Session user. For alphanumeric fields only. Length must be 8 or greater.
T | Time. For numeric fields only.
Index partitioning as default | Note This option can only be set for DB2 fields of type D and MT using the Default Table Attributes function in the Default DB2 Attributes screen. Defines the preset values for the Partitioning and Cluster index attributes (see above in this table) when a new field is created using the Add a Field function. Valid values:
Y | If a new field is created using the Add a Field function and no cluster field exists on the file, the preset value for Partitioning is I (Index controlled key) and the preset value for Cluster index is Y.
N | This is the default. The preset value for Partitioning is N (Non-partitioned secondary index) and the preset value for Cluster index is N.
Keylabel name | This option can only be set for DB2 fields in files of type D and MT. Used for encryption.
Accelerator name | This option can only be set for DB2 fields in files of type D and MT that are used as accelerator tables. For a definition of accelerator tables, refer to the IBM DB2 documentation.
Partitioning key | Only available for Oracle fields of type OT. Indicates how the partitioning key is organized:
R | Range partitioned.
H | Hash partitioned.
blank | None.
Partitioned index | Only available for Oracle fields of type OT. Indicates how the partitioned index is organized:
A | Global range.
B | Global hash.
C | Local range.
D | Local hash.
blank | None.
Sort | Only available for Oracle fields of type OT. Specifies whether the rows of the cluster on this column are sorted after applying the hash function
Cluster column | Only available for Oracle fields of type OT. Specifies whether or not this field (or combination of fields in case of an SP field) is used as cluster column
Encryption | Only available for Oracle fields of type OT. Specifies the encryption method to be used:
1 | AES256
2 | AES192
3 | AES128
4 | 3DES168
blank | None.
Integrity algorithm | Only available for Oracle fields of type OT. Specifies the integrity algorithm to be used:
S | SHA1
N | NOMAC
blank | None.
Salt | Only available for Oracle fields of type OT. Specify SALT to instruct the database to append a random string to the clear text of the column before encrypting it.
Include column | Only available for Oracle fields of type OT. If this column is part of the primary key, this column determines where to divide an index-organized table row into index and overflow portions.

## Field Procedure

     16:41:49             *****  P R E D I C T  *****              2007-05-31
                                   - Add a Field -
     Field ID ........ HNO_TEST                            Added 2007-05-31 at 16:41
     File ID ......... HNO-DB2                                by HNO

     Ty L Field ID                         F Cs Length   Occ   D U DB N NAT-l
     *- - -------------------------------- *- * -------- ----- * * -- * -----
        1 HNO_TEST                         AL     100.0            AF U

     Physical attributes in <Default Server>                 (new)
                 +-------------------------------------------------+
                 ! Procedure name .......                          !
                 ! Procedure parameter                             !
                 !                                                 !
                 !                                                 !
                 !                                                 !
                 !                                                 !
                 !                                                 !
                 !                                /                !
                 +-------------------------------------------------+

       Additional attributes ..* S          Associations ..* N

Attributes
Procedure name | Name of a field procedure (DB2 parameter FIELDPROC). See the Natural for DB2 documentation for more details.
Procedure parameter | Parameters passed to the field procedure. See the Natural for DB2 documentation for more details.

## Derived Field Expression

     >                     > + EL: A5                               L: 1    S: 1
         All  ....+....1... Expression for derived field..+....5....+....6....+....7..

       *
       * Field expression of a derived field
       *
       USER-TABLE1-SALARY * 12     /* SALARY FOR 12 MONTHS
       + CORRELATOR2-BONUS

Applicable only to fields of type DV in files of the following types:

B | Adabas SQL views
E | DB2 views
IV | Intermediate view
JV | Ingres view
OV | Oracle view
X | General SQL
XV | Informix view
YV | Sybase view

The expression used to derive the field is to be edited using one of the following depending on the your settings in the Profile > Handling screen:

- the Natural-based Subquery Editor, or

- the Software AG Editor

The editor can also be called with

- function Edit Field expression (Code Y) in the Field Maintenance Menu, or

- command `EDIT ELEMENT EXPRESSION file-id field-id`

See the section Editors in Predict in the Predict Reference documentation for more information.

The subquery of the file that contains the current field can specify a correlation name for any file whose fields it uses. The name of each field referenced in the expression must be qualified (preceded) by the correlation name of the file from which the field is taken, if a correlation namehas been specified for that file, or the ID of the file from which the field is taken, if no correlation name has been specified for it. The expression can include both comment lines (with /*, * or ** in the first two columns) and line comments (preceded by /*).

Example: A field which contains the annual salary:

       *
       * Field expression of a derived field
       *
       USER-TABLE1-SALARY * 12     /* SALARY FOR 12 MONTHS
       + CORRELATOR2-BONUS

## Index Definition - DB2

Index fields (descriptor type D, F or P) in a file of type D (DB2 table), are defined in the screens below.

- Index Default Definition / Defaults Values of Using- and Free-Block

- Partition definition

### Index Default Definition / Defaults Values of Using- and Free-Block

    0:55:34                *****  P R E D I C T  *****                  2020-07-02
                                  - Modify Field -
    Field ID ........ EL_IDX                              Added 2020-01-28 at 09:26
    File ID ......... XYZ-DB_V12                             by XYZ

    Index default definition in <Default Server>
      Index name ......... XYZ-EL_IDX                   Number of partitions: 88
      Cluster index ...... N (Y,N)                      Piece size ...* 0
      Close option ....... Y (Y,N)                      Reverse scans .   (Y,N)
      Bufferpool ........*                              Padded ........   (Y,N)
      Copy ............... N (Y,N)                      Compression ...   (Y,N)
      UQ where not null .*    determined by gener.      DSSIZE (G) ....
    Default values of using- and free-block
      VSAM catalog name ..
      Storagespace ......*
      Primary alloc ......
      Secondary alloc.....
      Erase opt ..........   (Y,N)
      Free pages .........
      Percentage free ....
      GBPCACHE ..........*    Default

    * Additional attributes ..* S          Associations ..* N

Attributes
Index default definition
Index name | The name of the DB2 index. See Key or Index Fields in SQL Files - Superfields. A read-only field.
Cluster index |
Y | The records (rows) in the DB2 table are stored in the sequence of this index. Valid for max. one index per table. A table contained in a partitioned tablespace must have one index marked as a clustered index, if the partitioning option Index controlled key is to be used..
Bufferpool | The buffer pool associated with the index.
Close option |
Y | The data sets supporting this index are closed when nobody uses the index.
Copy |
Indicates whether the copy utility is allowed for the index.
Y | Full image or concurrent copies allowed.
N | Full image or concurrent copies not allowed.
Piece size | The maximum piece size for a non-partitioned index. Valid values: 0, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536, 131072, 262144, 524288, 1048576, 2097152, 4194304.
Reverse scans |
Specifies whether an index supports forward scans only or reverse scans of the index also.
Y | Reverse scans allowed.
N | Reverse scans not allowed. This is the default.
Padded |
Specifies how varying-length string columns are to be stored in the index.
Y | Padded.
N | Not padded.
blank | Not specified.
UQ where not null |
Null value option. Specifies whether a null value is allowed for a unique index. Valid values:
U | Null allowed. Any two null values are taken to be unequal. If the key is a single column, that column can contain any number of null values, though its other values must be unique.
R | Not null. Any two null values are taken to be equal. For example, if the key is a single column, that column can contain no more than one null value.
blank | Determined by gener. Null value option is set via default server settings in Predict.
Compression |
Specifies whether compression for index data will be used.
Y | Compression is used.
N | No compression is used. This is the default.
DSSIZE | Specifies the maximum size (in Gbyte) for each partition of a partitioned index.
Default Values of Using- and Free-Block
VSAM catalog name | Name of the VSAM catalog for the index. The parameter VSAM catalog name must be specified if data sets are already defined for the index.
Storagespace | Storagespace where DB2 defines the data sets for the index (optional). If no storagespace is specified, DB2 uses the default storagespace.
Primary alloc | Minimum primary space allocation (in Kbyte) for DB2-defined index data sets. A value specified in this field is stored only if the attribute storage group has been specified.
Secondary alloc | Minimum secondary space allocation (in Kbyte) for DB2-defined index data sets. A value specified in this field is stored only if the attribute storage group has been specified.
Erase opt |
Y | The DB2-defined data sets are to be erased (filled with nulls) when the index is dropped.
A value specified in this field is stored only if the attribute Storage group has been specified.
Free pages | A number from 0 to 255 which indicates that one page is to be left free each time this number of pages is used when the load operation creates index entries or when the index is reorganized. Zero indicates that no pages are to be left free.
Percentage free | A number from 0 to 99: the percentage of each page to be left as free space when index entries are created by a load operation or when the index is reorganized.
GBPCACHE |
Only relevant in a data sharing environment. Specifies what pages of the table space or partition are written to the group buffer pool. Leave this field blank or enter:
C | Changed. Only pages that have been changed are written to the group buffer pool.
A | All pages are written.
N | No pages are written to the group buffer pool.

### Partition definition

For a partitioned index (a cluster index for a table in a partitioned table space), the following screen is displayed for every two partitions. Each partition can then be defined in accordance with the Default values of using- and free-block (see description above).

    21:13:44                *****  P R E D I C T  *****                  2020-07-02
                                  - Modify Field -
    Field ID ........ EL_IDX                          Modified 2020-07-02 at 21:12
    File ID ......... XYZ-DB_V12                             by XYZ
    SQL Server ...... <Default Server>
    ---------------------------- Partition definition -----------------------------
    Partition 1
      Value .....                                                          Zoom: N
      VSAM catalog name .....                 DSSIZE (G) .......
      Storagespace .........*
      Primary allocation ....                 GBPCACHE ........*
      Secondary allocation ..                 Free pages .......
      Erase option ..........   (Y/N)         Percentage free ..
                                              Hash size (KB)....
    Partition 2
      Value .....                                                          Zoom: N
      VSAM catalog name .....                 DSSIZE (G) .......
      Storagespace .........*
      Primary allocation ....                 GBPCACHE ........*
      Secondary allocation ..                 Free pages .......
      Erase option ..........   (Y/N)         Percentage free ..
                                              Hash size (KB) ...
    * Additional attributes ..* N          Associations ..* N  * Scroll to .. 1

Note
The data displayed in this screen depend on the values selected in the Partitioning field of the DBMS extensions screen.

Attributes
Value | The highest value of the index key in this partition. At least one constant must be used and as many constants as there are columns in the key can be specified. The concatenation of all the constants is the highest value of the key in this partition of the index. Note No checking is performed here.
DSSIZE | The value of DSSIZE given in the PARTITION clause for that partition.

All other attributes are described above.

## Index Definition - Oracle

Index fields (descriptor type D, F or P) in a file of type OT (Oracle table), are defined in the screens below.

- Index Attributes

- Index Segment Attributes

- Index Storage Attributes

- Partitioning Key and Partitioned Index

### Index Attributes

    14:30:37                *****  P R E D I C T  *****                  2017-08-11
                                  - Modify Field -
    Field ID ........ IDENTITY                            Added 2017-08-11 at 14:30
    File ID ......... XYZ-OTI                                by XYZ

    Index attributes in XYZ-ORA1
      REVERSE .............    (Y,N)
      VISIBLE ............. Y  (Y,N)
      PARTIAL ............. Y  (Y,N)
      SORT ................ Y  (Y,N)
      COMPRESSION ........* Y  Yes
      Compression length .. 23

    * Additional attributes ..* S          Associations ..* N

Parameters
Field ID | ID of the Predict object documenting the Oracle table field.
File ID | ID of the Predict object documenting the Oracle table. See Naming Conventions for Oracle objects.
Index attributes
REVERSE | Specifies whether the index is a reverse key index.
Y | Yes.
N | No.
VISIBLE | Specifies whether the index is visible.
Y | Yes.
N | No.
PARTIAL | Specifies whether the index is a partial index in a partitioned table.
Y | Yes.
N | No.
SORT | Specifies whether the index is sorted in ascending order.
Y | Yes.
N | No.
COMPRESSION | Specify whether or not to use compression.
Y | Yes.
N | No.
A | Advanced.
blank | Not specified. This is the default.
Compression length | Specify the compression length.

### Index Segment Attributes

    14:15:26                *****  P R E D I C T  *****                  2017-08-11
                                  - Modify Field -
    Field ID ........ IDENTITY                         Modified 2017-08-11 at 14:15
    File ID ......... XYZ-OTI                                by XYZ

    Index segment attributes in XYZ-ORA1
      PCTFREE ........ 12
      PCTUSED ........ 2
      INITRANS ....... 33
      Tablespace ..... TAB
      LOGGING .......* F File system like

    * Additional attributes ..* S          Associations ..* N

Index segment attributes
PCTFREE | If an integer from 1 - 99 is specified here, the clause `PCTFREE` n is generated in the `CREATE TABLE` statement. `PCTFREE` reserves a set amount of room in every block allocated to a table for future updates to that table's data.
PCTUSED | If an integer from 1 - 99 is specified here, the clause `PCTUSED` n is generated in the `CREATE TABLE` statement. `PCTUSED` specifies the minimum level of space usage that Oracle will maintain for each block of the table.
INITRANS | If a value from 1 - 255 is entered here, the clause `INITRANS` n is generated in the `CREATE TABLE` statement. `INITRANS` is the initial number of transaction entries that are allocated within each block.
Tablespace | If a tablespace name is entered here, the clause `TABLESPACE` name is generated in the `CREATE TABLE` statement. This name represents the tablespace in which the table will be created.
LOGGING | Specify whether or not to use the `LOGGING` clause in a `CREATE TABLE` or `ALTER TABLE` statement.
Y | Yes.
N | No.
F | File system like.
blank | Not specified. This is the default.

### Index Storage Attributes

    14:17:52                *****  P R E D I C T  *****                  2017-08-11
                                  - Modify Field -
    Field ID ........ IDENTITY                         Modified 2017-08-11 at 14:15
    File ID ......... XYZ-OTI                                by XYZ

    Index storage attributes in XYZ-ORA1
      INITIAL .............             Unit .*
      NEXT ................             Unit .*
      MAXSIZE .............             Unit .*                (-1 for unlimited)
      OPTIMAL .............             Unit .*                (-1 for null)
      MINEXTENTS ..........
      MAXEXTENTS ..........                                    (-1 for unlimited)
      PCTINCREASE .........
      FREELISTS ........... 1
      FREELIST GROUPS ..... 3
      BUFFERPOOL .........* D Default
      FLASH_CACHE ........* D Default

    * Additional attributes ..* S          Associations ..* N

Index storage attributes
If specified, the values below are used in the `STORAGE` clause generated with the `CREATE TABLE` statement. All of the values below must be specified as integers.
INITIAL | The size of the first extent allocated when the object is created - the original amount of space allocated to the object. A value for Unit has to be applied in addition:
K | Kilobyte.
M | Megabyte.
G | Gigabyte.
T | Terabyte.
P | Petabyte.
E | Exabyte.
NEXT | The size of every subsequent extent to be allocated. A value for Unit has to be applied in addition. Possible values for Unit are described under INITIAL.
MAXSIZE | The `MAXSIZE` clause lets you specify the maximum size of the storage element.
OPTIMAL | Specifies an optimal size in bytes for a rollback segment.
MINEXTENTS | The total number of extents to be allocated when the segment is created.
MAXEXTENTS | The total number of extents, including the first, which can ever be allocated.
PCTINCREASE | The percent by which each NEXT extent will grow over the last extent allocated.
FREELISTS | The number of process free lists used to administer the free data blocks.
FREELISTS GROUPS | Magnitude of the set of free lists.
BUFFERPOOL | Determines the configuration of the buffer cache.
D | Default
K | Keep
R | Recycle
blank | not specified
FLASH_CACHE | Defines the configuration of a second tier of buffer cache on flash disks.
D | Default
K | Keep
N | None
blank | not specified

### Partitioning Key and Partitioned Index

For a partitioning key and partitioned index, the following can be defined depending on whether they are hash- or range-partitioned.

Note
The data displayed in this screen depend on the values selected in the Partitioning key field of the DBMS Extensions screen.

#### Range-Partitioning Key Definitions

    16:03:24                *****  P R E D I C T  *****                  2017-08-17
                                  - Modify Field -
    Field ID ........ XYZ_OT_INDEX                     Modified 2017-08-17 at 16:02
    File ID ......... XYZ-OTI                                by XYZ
    Database ........ XYZ-ORA1
    ---------------------- Range partitioning key definitions ---------------------
    Partition 1
      Name ......
      Literal ...                                                          Zoom: N
      More attributes
        Segment ............... N (Y/N)
        Storage ............... N (Y/N)

    Partition 2
      Name ......
      Literal ...                                                          Zoom: N
      More attributes
        Segment ............... N (Y/N)
        Storage ............... N (Y/N)

    * Additional attributes ..* S          Associations ..* N  * Scroll to .. 1

Attributes
Name | The partition name.
Literal | The literal name.
Segment | Specifies the Segment attributes of the partition.
Storage | Specifies the Storage attributes of the partition.

#### Hash-Partitioning Key Definitions

    16:10:45                *****  P R E D I C T  *****                  2017-08-17
                                  - Modify Field -
    Field ID ........ XYZ_OT_INDEX                     Modified 2017-08-17 at 16:02
    File ID ......... XYZ-OTI                                by XYZ
    Database ........ XYZ-ORA1
    ---------------------- Hash partitioning key definitions ----------------------
    Partition 1
      Name ................
      Tablespace ..........
      COMPRESSION ........*    (not specified)
      Compression length ..

    Partition 2
      Name ................
      Tablespace ..........
      COMPRESSION ........*    (not specified)
      Compression length ..

    * Additional attributes ..* S          Associations ..* N  * Scroll to .. 1

Parameter | Description
--- | ---
Name | The partition name.
Tablespace | The tablespace name.
COMPRESSION | Specify whether or not to use compression.
Y | Yes.
N | No.
A | Advanced.
blank | Not specified. This is the default.
Compression length | Specify the compression length.

## Default value

This additional attribute is only applicable for fields in

- Sybase tables with Null value option set to R and Null default option set to Y.

- Adabas D tables, DB2 tables, Informix and Oracle tables with Null value option set to R or U and Null default option set to Y.

        13:09:33             *****  P R E D I C T  *****             2007-05-31
                                      - Modify Field -
        Field ID ........ TESTFIELD                       Modified 2007-05-31 at 13:09
        File ID ......... HNO-YT                                by HNO

        Ty L Field ID                         F Cs Length   Occ   D U DB N Df NAT-l
        *- - -------------------------------- *- * -------- ----- * * -- * *- -----
           1 TESTFIELD                        A  B    10.0            AA R Y

        Default name .............
        Default expression ......<

                                                         >

Attribute
Default name | The default specified here is used in the CREATE TABLE statement. Sybase naming conventions apply. See Naming Conventions for SQL Objects. Note For Sybase, a default is an object in its own right. For other SQL systems, a default value is specified in the CREATE TABLE statement (not null with default default_expression). For Informix no default name is allowed.
Default expression | An SQL expression can be specified between the angled brackets. This expression determines the default value, for example a constant or function. If specified, this value is always used by the function Generate CREATE statement.

## Constraint name

Depending on the field definition, up to four constraint names can be specified.

        13:35:45             *****  P R E D I C T  *****             2007-05-31
                                      - Modify Field -
        Field ID ........ TESTFIELD                       Modified 2007-05-31 at 09:34
        File ID ......... HNO-YT                                by HNO

        Ty L Field ID                         F Cs Length   Occ   D U DB N Df NAT-l
        *- - -------------------------------- *- * -------- ----- * * -- * *- -----
           1 TESTFIELD                        A  B    10.0        P U AA R Y

             Attributes        Constraint name

              Check constraint
              Primary key
              Unique
              Not null

Attributes
Check constraint | Constraint name in the respective SQL system for the fact that a linked verification of status S exists.
Primary key | Constraint name for the fact that the field is a primary key.
Unique | Constraint name for the fact that a unique constraint exists (indicated with U in column Unique option of the field object in Predict).
Null/Not null | Constraint name for the fact that the Null or Not null default option is set to Y.

## Identity definition / Change log

These additional attributes are only applicable for fields in DB2 or Oracle tables.

### Identity definition

The following additional attributes are only applicable for fields of type

- QN (Row ID) or

- a numeric field.

     15:56:16             *****  P R E D I C T  *****                     2009-05-31
                                  - Modify Field -
    Field ID ........ XYZ_AC                              Added 2009-05-31 at 15:56
    File ID ......... XYZ-DB2                                by XYZ

    Ty L Field ID                         F Cs Length   Occ   D U DB N Df NAT-l
    *- - -------------------------------- *- * -------- ----- * * -- * *- -----
    QN 1 XYZ_AC                           A       40.0          U AB R

    Identity .............   (Y,N)
    Identity definition in <Default Server>
      Generated .........* A  Always

      Start value ........
      Increment value ....
      Cache ..............
      Cycle ..............   (Y,N)
      No minvalue ........   (Y,N)      Min value ..
      No maxvalue ........   (Y,N)      Max value ..
      Order ..............   (Y,N)

    * Additional attributes ..* S          Associations ..* N

Attributes
Identity | Specifies whether the column is an identity column for the table. Valid values:
Y | Yes
N | No
Generated | Indicates whether DB2 or Oracle generates values for the column. Valid values:
A | Always
D | By default
blank | None
Start with limit | The first generated value will be the highest/lowest existing value +/- increment value
Start value | Specifies the first value for the identity column.
Increment value | Specifies the interval between consecutive values of the identity column.
Cache | Specifies whether to keep preallocated values in memory.
Cycle | Specifies that values continue to be generated for this column after the maximum or minimum value has been reached.
Min value | Specifies the numeric constant that is the minimum value that is generated for this identity column.
No minvalue | Specifies for DB2 tables whether or not a minimum end point of the range of values for the identity column has been set.
Max value | Specifies the numeric constant that is the maximum value that is generated for this identity column.
No maxvalue | Specifies for DB2 tables whether or not a maximum end point of the range of values for the identity column has been set.
Order | Specifies whether the sequence numbers must be generated in order of request. Valid values:
Y | Order
N | No order
blank | Not specified

### Change log

The following additional attributes are only applicable for fields of type TS (Timestamp).

     14:16:40             *****  P R E D I C T  *****                     2009-07-31
                                   - Modify Field -
     Field ID ........ EL_TS                               Added 2009-02-13 at 08:56
     File ID ......... HEB-D                            Modified 2009-06-04 at 14:14

     Ty L Field ID                         F Cs Length   Occ   D U DB N Df NAT-l
     *- - -------------------------------- *- * -------- ----- * * -- * *- -----
        1 EL_TS                            TS                      AJ U

     Change log ............. N (Y,N)
     Change log definition in DADB29
       Generated ...........* A  Always

     * Additional attributes ..* S          Associations ..* N

Attributes
Change log |
Specifies whether DB2 generates a value for the column for each new row when the row is inserted and/or for any row in which a column is updated. Valid values:
Y | Yes
N | No
Generated |
Indicates whether DB2 generates values for the column. Valid values:
A | Always
D | By default
blank | None

## Platform Compatibilities

The following topics are covered:

- No Blank Compression

### No Blank Compression

This additional attribute is only applicable for Adabas fields with format A, AV or LO. The option No Blank Compression controls that trailing blanks are suppressed when a value is stored.

     16:12:31             *****  P R E D I C T  *****                     2007-05-31
                                  - Add a Field -
    Field ID ........ HNO_A                               Added 2007-05-31 at 16:11
    File ID ......... HNO-ADA                                by HNO

    Ty L Field ID                         F Cs Length   Occ   D U DB N Df NAT-l
    *- - -------------------------------- *- * -------- ----- * * -- * *- -----
       1 HNO_A                            A       10.0            AA N

    Platform compatibilities
      High order first .....    (Y)
      PF option ............    (Y)
      No Blank Compression .    (Y)

      Additional attributes ..* S          Associations ..* N

## Base Extensions

The following topics are covered:

- Fractional of Seconds and Time Zone

- Inline Length

- Generated Expression

- Period

### Fractional of Seconds and Time Zone

These additional attributes are applicable for DB2 and Oracle table fields with format TS.

    17:42:38             *****  P R E D I C T  *****                     2011-05-31
                                  - Modify Field -
    Field ID ........ HNO_D2T_TS                          Added 2011-05-31 at 17:41
    File ID ......... HNO-D2                                 by HNO

    Ty L Field ID                         F Cs Length   Occ   D U DB N Df NAT-l
    *- - -------------------------------- *- * -------- ----- * * -- * *- -----
       1 HNO_D2T_TS                       TS                  N   AA U N

    Base extensions
      Fractional of seconds .* 12
      Time zone ..............     (Y/N)

      Additional attributes ..* S          Associations ..* N

Attributes
Fractional of seconds | A timestamp value can include a precision of fractional seconds in the range from 0 to 12 (Oracle 0-9). For DB2, if no value is entered, the default value 6 is taken.
Time zone | Provides information on the time difference in hours and minutes between the local time and Coordinated Universal Time (UTC). Adds an additional time zone offset value to the local timestamp value in the format +HH:MM (ahead of UTC) or -HH:MM (behind UTC).

### Inline Length

This additional attribute is applicable for DB2 LOB fields.

    17:42:38             *****  P R E D I C T  *****                     2011-05-31
                                  - Modify Field -
    Field ID ........ HNO_LOB_D2                          Added 2011-05-31 at 17:41
    File ID ......... HNO-D2-LOB                             by HNO

    Ty L Field ID                         F Cs Length   Occ   D U DB N Df NAT-l
    *- - -------------------------------- *- * -------- ----- * * -- * *- -----
       1 HNO_LOB_D2                       LO S     1.0M           AA U

    Base extensions
      Inline length .......... 8000

      Additional attributes ..* S          Associations ..* N

Attributes
Inline length | For BLOB, CLOB and DBCLOB columns. Specifies the maximum number of bytes that are stored in the base table space for the column. Must be between 0 and 32680 for a BLOB or CLOB column and between 0 and 16340 for a DBCLOB column..

### Generated Expression

These additional attributes are applicable for DB2 table fields with formats A, AL and AV.

    12:41:28                *****  P R E D I C T  *****                  2015-06-30
                                  - Modify Field -
    Field ID ........ EL_GEN_EXPR                      Modified 2015-06-11 at 13:17
    File ID ......... XYZ-DB2_API                            by XYZ

    Ty L Field ID                         F Cs Length   Occ   D U DB N Df NAT-l
    *- - -------------------------------- *- * -------- ----- * * -- * *- -----
       1 EL_GEN_EXPR                      A        4.0            AA U

    Base extensions
      Generated expression ..* PN  PACKAGE_NAME

    * Additional attributes ..* S          Associations ..* N

Attributes
Generated expression |
For fields of DB2 tables (field types A, AL and AV) you can specify an `as-generated-expression-clause`. The value provided in Generated expression is the expression that is evaluated by DB2 when generating the value of the field. Valid values:
DC | Data change operation. Equivalent DB2 expression: `DATA CHANGE OPERATION`
CC | Client accounting. Equivalent DB2 expression: `CURRENT CLIENT_ACCTNG`
CN | Client application name. Equivalent DB2 expression: `CURRENT CLIENT_APPLNAM`
CT | Client correlation token. Equivalent DB2 expression: `CURRENT CLIENT_CORR_TOKEN`
CU | Client user ID. Equivalent DB2 expression: `CURRENT CLIENT_USERID`
CW | Client workstation name. Equivalent DB2 expression: `CURRENT CLIENT_WRKSTNNAME`
CS | Client server. Equivalent DB2 expression: `CURRENT SERVER`
CI | SQL ID. Equivalent DB2 expression: `CURRENT SQLID`
SU | Session user. Equivalent DB2 expression: `SESSION_USER`
PN | Package name. Equivalent DB2 expression: `SYSIBM.PACKAGE_NAME`
PS | Package schema. Equivalent DB2 expression: `SYSIBM.PACKAGE_SCHEMA`
PV | Package version. Equivalent DB2 expression: `SYSIBM.PACKAGE_VERSION`
blank | None.

### Period

The field option Period specifies whether the value of the end column is included or excluded in the period BUSINESS_TIME.

This option can be used only for fields named BUSINESS_TIME in files of type D and MT.

    19:32:52                *****  P R E D I C T  *****                  2020-07-02
                                  - Modify Field -
    Field ID ........ BUSINESS_TIME                    Modified 2020-03-11 at 11:08
    File ID ......... HEB-DB_V12                             by HEB

    Ty L Field ID                         F Cs Length   Occ   D U DB N Df NAT-l
    *- - -------------------------------- *- * -------- ----- * * -- * *- -----
    SP 1 BUSINESS_TIME                                            AF

    Base extensions
      Generated expression ..*     (none)
      Period ................* I   Inclusive

    * Additional attributes ..* S          Associations ..* N

Attributes
Period | Specifies whether the value of the end column is included or excluded in the period BUSINESS_TIME.
I | Inclusive
E | Exclusive

### On this page

- 3GL Specification
- Condition Name and Value
- Field Name Synonyms
- Old Mode Synonyms
- Adabas Security and Edit mask
- DBMS Extensions
- Field Procedure
- Derived Field Expression
- Index Definition - DB2
- Index Definition - Oracle
- Default value
- Constraint name
- Identity definition / Change log
- Platform Compatibilities
- Base Extensions