RDB$CHECK CONSTRAINTS
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RDB$CHECK_CONSTRAINTS stores database integrity constraint information for CHECK constraints. In addition, the table stores information for constraints implemented with NOT NULL.
| Column name | Data type | Length | Description |
|---|---|---|---|
|
RDB$CONSTRAINT_NAME |
CHAR |
67 |
Subtype 2: Name of a CHECK or NOT NULL constraint |
|
RDB$TRIGGER_NAME |
CHAR |
67 |
Subtype 2: Name of the trigger that enforces the CHECK constraint; for a NOT NULL constraint, name of the source column in RDB$RELATION_FIELDS |