Drops an existing unique constraint.
<dropUniqueConstraint tableName="person" constraintName="pk_person"/>
| tableName | Name of the table to drop the unique constraint from [required] |
|---|---|
| schemaName | Name of the table schema |
| constraintName | Name of unique constraint to drop [required] |
| MySQL | No Issues |
|---|---|
| PostgreSQL | No Issues |
| Oracle | No Issues |
| MS-SQL | No Issues |
| Sybase | No Issues |
| DB2 | No Issues |
| Derby | No Issues |
| HSQL | No Issues |
| H2 | No Issues |
| Caché | No Issues |
| Firebird | No Issues |
| MaxDB | No Issues |
| SQLite | The “constraintName” attribute is used to specify the column name |
Automatic Rollback Support: NO