Drops an existing unique constraint on a global or central table.
Available in a network database and requires the star$define role.
Parameters:
| Name | Optional | Type | Description |
| table$ | Mandatory | Text | The table on which the primary key constraint is defined. |
| columns$ | Mandatory | Text | The columns included in the unique constraint. |
Examples:
SELECT drop_unique_constraint('mytable','col1'); -- drops the unique constraint on column 'col1' on table 'mytable'.
SELECT drop_unique_constraint('mytable','col1,col2'); -- drops the unique constraint on columns 'col1' and 'col2' on table 'mytable'.
Tips:
- The star$constraints view indicates which constraints exist.
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