RDB$RELATION CONSTRAINTS
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RDB$RELATION_CONSTRAINTS stores information about integrity constraints for tables.
| Column name | Data type | Length |
Description | |
|---|---|---|---|---|
|
RDB$CONSTRAINT_NAME |
CHAR |
67 |
Name of a table constraint | |
|
RDB$CONSTRAINT_TYPE |
CHAR |
11 |
Type of table constraint Constraint types are: | |
|
| |||
|
RDB$RELATION_NAME |
CHAR |
67 |
Name of the table for which the constraint is defined | |
|
RDB$DEFERRABLE |
CHAR |
3 |
Reserved for later use; currently defaults to No | |
|
RDB$INITIALLY_DEFERRED |
CHAR |
3 |
Reserved for later use; currently defaults to No | |
|
RDB$INDEX_NAME |
CHAR |
67 |
Name of the index used by UNIQUE, PRIMARY KEY, or FOREIGN KEY constraints | |