Data Type Length Information
The negative numbers used in the Length and SQL Length columns have the following meanings:

Length Value | Meaning
-1 | Variable length
-2 | Variable length
-3 | Variable length
-4 | Variable length
-5 | Variable length
-6 | Variable length
-7 | Variable length
-8 | Special POISE data type - Variable length
-9 | Variable length
-10 | Variable length
-11 | Variable length
-12 | Variable length
-13 | Variable length
-14 | Variable length
-15 | Variable length