MySQL 8.0 Reference Manual
MySQL 8.0 Release Notes
As of MySQL 8.0.16,
permits the core features of table and column
CHECK constraints, and the
CHECK_CONSTRAINTS table provides
information about these constraints.
CHECK_CONSTRAINTS table has these
The name of the catalog to which the constraint belongs. This value is always
The name of the schema (database) to which the constraint belongs.
The name of the constraint.
The expression that specifies the constraint condition.