Deleting a Primary, Foreign, or Unique Key Constraint

Delete a primary, foreign, or unique key constraint from a table.

Prerequisites

Database Version	Table Constraint Privileges
SAP Sybase IQ 15.3 and 15.4	You must have one of: DBA authority ALTER and REFERENCE permission on the underlying table You own the underlying table
SAP Sybase IQ 16.0	You must have one of: ALTER ANY OBJECT system privilege ALTER ANY TABLE system privilege ALTER and REFERENCE permission on the underlying table You own the underlying table

Task

In the Perspective Resources view, select the resource, and select Resource > Administration Console.
In the left pane, expand IQ Servers > Schema Objects > Tables, and then select Tables or Global Temporary Tables.
Select a table from the right pane and either:
- Click the arrow to the right of the name and select Properties, or
- From the Administration Console menu bar, select Resource > Properties.
The Table or Global Temporary Table Properties view appears.
Select Constraints.
Select one or more primary, foreign, or unique key constraints from the list.

Note: Different system privileges are required to delete different constraint types. If you do not have sufficient privilege to delete a selected constraint, the Delete button is unavailable.
Click Delete. The selected constraints are removed from the list, but they are not yet permenantly deleted until you click OK or Apply on the Tables Properties view.
Do one of:
- Click OK to update any changes to the database and exit the properties view.
- Click Apply to update any changes to the database, but remain in the properties view.
- Click Cancel to cancel any changes not updated to the database and exit the properties view.