| Subject | RE: [ib-support] NOT NULL constraints and the System Tables |
|---|---|
| Author | Ann W. Harrison |
| Post date | 2001-11-13T18:47:13Z |
The null flag in rdb$relation_fields and rdb$fields predated
sql and constraints. It can be used alone to disallow nulls.
To allow nulls, you must remove both the constraint and the
null flag.
Regards,
Ann
www.ibphoenix.com
We have answers.
sql and constraints. It can be used alone to disallow nulls.
To allow nulls, you must remove both the constraint and the
null flag.
Regards,
Ann
www.ibphoenix.com
We have answers.