| Column | Type | Null | Default | Links to | Comments |
|---|---|---|---|---|---|
| CONSTRAINT_CATALOG | varchar(512) | No | |||
| CONSTRAINT_SCHEMA | varchar(64) | No | SCHEMATA -> SCHEMA_NAME | ||
| CONSTRAINT_NAME | varchar(64) | No | |||
| TABLE_CATALOG | varchar(512) | No | |||
| TABLE_SCHEMA | varchar(64) | No | SCHEMATA -> SCHEMA_NAME | ||
| TABLE_NAME | varchar(64) | No | |||
| COLUMN_NAME | varchar(64) | No | |||
| ORDINAL_POSITION | bigint(10) | No | 0 | ||
| POSITION_IN_UNIQUE_CONSTRAINT | bigint(10) | Yes | NULL | ||
| REFERENCED_TABLE_SCHEMA | varchar(64) | Yes | NULL | SCHEMATA -> SCHEMA_NAME | |
| REFERENCED_TABLE_NAME | varchar(64) | Yes | NULL | ||
| REFERENCED_COLUMN_NAME | varchar(64) | Yes | NULL |