Check constraints are supported in all of the major DBMS products, including DB2, Oracle, and SQL Server. But they are too-often ignored and not implemented in production databases. Properly defined, ...

In v3.5.4 and v3.5.6, I'm running into problems with unexpected constraints being added when I copy an InnoDB database. If I don't check the "Add Constraints" box, the constraints are still added in ...