`information_schema.check_constraints.constraint_name`

mysql

type: VARCHAR NOT NULL

type: NULL

Note:

Constraint name.

type: VARCHAR NOT NULL

Note:

Constraint name.

type: SQL_IDENTIFIER NULL

Note:

Name of the constraint

10-15

type: SQL_IDENTIFIER

Note:

Name of the constraint

7.4-9.6

type: unknown

Note:

Name of the constraint.

type: SYSNAME NULL

Note:

Constraint name.