MySQL :: MySQL 8.0 Reference Manual :: 25.3 The INFORMATION_SCHEMA CHECK

MySQL 8.0 Reference Manual / INFORMATION_SCHEMA Tables / The INFORMATION_SCHEMA CHECK_CONSTRAINTS Table

25.3 The INFORMATION_SCHEMA CHECK_CONSTRAINTS Table

The CHECK_CONSTRAINTS table (available as of MySQL 8.0.16) provides information about CHECK constraints defined on tables.

The CHECK_CONSTRAINTS table has these columns:

CONSTRAINT_CATALOG
The name of the catalog to which the constraint belongs. This value is always def.
CONSTRAINT_SCHEMA
The name of the schema (database) to which the constraint belongs.
CONSTRAINT_NAME
The name of the constraint.
CHECK_CLAUSE
The expression that specifies the constraint condition.

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