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referential_constraints

Overview

This table is only used for compatibility with MySQL behavior. It is always empty.

Database

information_schema

Table Information

Column NameTypeDescription
CONSTRAINT_CATALOGvarchar(64)
CONSTRAINT_SCHEMAvarchar(64)
CONSTRAINT_NAMEvarchar(64)
UNIQUE_CONSTRAINT_CATALOGvarchar(64)
UNIQUE_CONSTRAINT_SCHEMAvarchar(64)
UNIQUE_CONSTRAINT_NAMEvarchar(64)
MATCH_OPTIONvarchar(64)
UPDATE_RULEvarchar(64)
DELETE_RULEvarchar(64)
TABLE_NAMEvarchar(64)
REFERENCED_TABLE_NAMEvarchar(64)