18th October 2018: PostgreSQL 11 Released!
Supported Versions: Current (11) / 10 / 9.6 / 9.5 / 9.4 / 9.3
Development Versions: devel
Unsupported versions: 9.2 / 9.1 / 9.0 / 8.4 / 8.3 / 8.2 / 8.1 / 8.0 / 7.4

34.9. check_constraints

The view check_constraints contains all check constraints, either defined on a table or on a domain, that are owned by a currently enabled role. (The owner of the table or domain is the owner of the constraint.)

Table 34-7. check_constraints Columns

Name Data Type Description
constraint_catalog sql_identifier Name of the database containing the constraint (always the current database)
constraint_schema sql_identifier Name of the schema containing the constraint
constraint_name sql_identifier Name of the constraint
check_clause character_data The check expression of the check constraint

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