If id in your example identifies a row, then by definition it is unique (probably the primary key). If you try to insert another row with the same id, the insert will fail. Why not just catch the exception or error code?
Regards
If id in your example identifies a row, then by definition it is unique (probably the primary key). If you try to insert another row with the same id, the insert will fail. Why not just catch the exception or error code?
Regards