Help Center/GaussDB/Developer Guide(Distributed_V2.0-3.x)/System Catalogs and System Views/System Views/DB_CONSTRAINTS
Updated on 2025-08-19 GMT+08:00
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DB_CONSTRAINTS

DB_CONSTRAINTS displays information about constraints accessible to the current user. This view exists in both PG_CATALOG and SYS schemas.

Table 1 DB_CONSTRAINTS columns

Name

Type

Description

owner

character varying(64)

Constraint creator.

constraint_name

character varying(64)

Constraint name.

constraint_type

text

Constraint type.
  • c: check constraint.
  • f: foreign key constraint.
  • p: primary key constraint.
  • u: unique constraint.

table_name

character varying(64)

Name of a constraint-related table.

index_owner

character varying(64)

Owner of a constraint-related index (only for the unique constraint and primary key constraint).

index_name

character varying(64)

Name of the constraint-related index (only for the unique constraint and primary key constraint).

Parent topic:System Views