MySQL 8.0 Reference Manual Including MySQL NDB Cluster 8.0

25.45.11 The INFORMATION_SCHEMA INNODB_FOREIGN Table

The INNODB_FOREIGN table provides metadata about InnoDB foreign keys.

For related usage information and examples, see Section 15.15.3, “InnoDB INFORMATION_SCHEMA Schema Object Tables”.

The INNODB_FOREIGN table has these columns:

Example

mysql> SELECT * FROM INFORMATION_SCHEMA.INNODB_FOREIGN\G
*************************** 1. row ***************************
      ID: test/fk1
FOR_NAME: test/child
REF_NAME: test/parent
  N_COLS: 1
    TYPE: 1

Notes