This documentation provides information on Natural in a DL/I environment. It describes the installation and operation of Natural for DL/I, as well as special considerations on Natural statements when used with DL/I.
This documentation covers:
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General Information | Brief information on features. |
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Accessing DL/I Data | How to enable access to DL/I databases using Natural statements. |
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Natural Parameter Modifications for DL/I | Parameters contained in NDLPARM, storage estimates,
and Natural for DL/I in z/OS environments.
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Installing Natural for DL/I | How to install Natural for DL/I. |
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Operation | Describes the procedures NATPSB,
NATDBD, NATUDF, and the generation of DDMs from DL/I
segment types.
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System File Structure | Describes the database structure, the segment data and the processing intent of an application. |
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Natural Batch Utilities | Describes the system file transfer of NDBs, NSBs and UDFs from
one FDIC and the use of the batch utility NDUDFGEN to
generate Natural data areas.
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Execution | Describes PSB scheduling, the CALLNAT interface,
support of IMS TM-specific features, fast path and GSAM, and CICS mode
processing under IMS TM.
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Programming Language Considerations | Natural versus third generation languages, Natural statements with DL/I, Natural system variables with DL/I. |
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Problem Determination Guide | Actions required to correct a given problem. |
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Performance Considerations | How to increase the performance of Natural in a DL/I environment. |
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DL/I Services | Terminology and maintenance of NDBs and NSBs. |
See also Accessing Data in a Database for various aspects of accessing data in a database with Natural.
For a list of DL/I status codes and abend codes (under CICS only), refer to Status Codes and Abend Codes (in the Natural Messages and Codes documentation).
