Chapter 12 DBMS-Specific Features
The following extended attributes are defined by default in the IBM DB2 DBMS.
The following extended attributes are available on the DB2 tab:
| Name | Description |
|---|---|
| Field procedure name | Defines the procedure that will be used as generator/cryptor of values.
Scripting name: ExtFieldProcName |
| Character subtype | [up to v6.x] Specifies a subtype for a character string column (column with a CHAR,VARCHAR,or LONG VARCHAR data type). The subtype can proceed from the list defined in extended attribute type T_ForData.
Scripting name: ExtData |
| Generated value | [v7.x and higher] Indicates that DB2 generates values for the column using the computed column function. If you select Always, the server will send an error message if you try to type a value in the column. If you select By Default, the server uses the computed column value or the value typed for the column.
Scripting name: ExtGeneratedAs |
| Character subtype | [v7.x and higher] Specifies a subtype for a character string column.
Scripting name: ExtSubtypeData |
The following extended attributes are available on the DB2 tab:
| Name | Description |
|---|---|
| Character Subtype | [v6.x and higher] Specifies a subtype for a character string column.
Scripting name: ExtSubtypeData |
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