Syntax Rules for Column Descriptions
<generate_spec> ::=
USER | USERGROUP
| STAMP | DATE | TIME | TIMESTAMP | <sequence_number>
USER |
Name of the current user is loaded |
USERGROUP |
Name of the group of the current user is loaded. If this user is not assigned to a user group, the name of the current user is loaded. The column into which you want to load one of these values must have the type CHAR (n) where n >= 32. |
DATE |
Current date The column into which you want to load one of these values must have the type DATE. |
TIME |
Current time The column into which you want to load one of these values must have the type TIME. |
TIMESTAMP |
Current timestamp The column into which you want to load one of these values must have the type TIMESTAMP. |
STAMP |
A unique value generated by the database system that can only be loaded into columns of the type CHAR (n) BYTE where n >= 8. |
This is used to load the specified special constants into the database.