Returns a user's database identification number.
Syntax
USER_ID ( [ 'user' ] )
Arguments
'user'
Is the username to be used. user is nchar. If a char value is specified, it is implicitly converted to nchar.
Return Types
smallint
Remarks
When user is omitted, the current user is assumed. Parentheses are required.
USER_ID can be used in the select list, in the WHERE clause, and anywhere an expression is allowed. For more information, see Expressions.
Examples
This example returns the identification number for user Harold.
SELECT USER_ID('Harold')
See Also
Security Functions