MySQL 8.0 Reference Manual Including MySQL NDB Cluster 8.0

26.43 The INFORMATION_SCHEMA TABLE_CONSTRAINTS_EXTENSIONS Table

The TABLE_CONSTRAINTS_EXTENSIONS table (available as of MySQL 8.0.21) provides information about table constraint attributes defined for primary and secondary storage engines.

Note

The TABLE_CONSTRAINTS_EXTENSIONS table is reserved for future use.

The TABLE_CONSTRAINTS_EXTENSIONS table has these columns: