Lu, Huayi e6fa411af0 DWS DEV 830.201 version

Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Co-authored-by: Lu, Huayi <luhuayi@huawei.com>
Co-committed-by: Lu, Huayi <luhuayi@huawei.com>

2024-05-16 07:24:04 +00:00

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USER_CONSTRAINTS

USER_CONSTRAINTS displays the table constraint information accessible to the current user.

Name	Type	Description
constraint_name	vcharacter 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 constraint-related table
index_owner	character varying(64)	Owner of constraint-related index (only for the unique constraint and primary key constraint)
index_name	character varying(64)	Name of constraint-related index (only for the unique constraint and primary key constraint)

Example

Query constraints on a specified table owned by the current user. Replace t1 with the actual table name.

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SELECT * FROM USER_CONSTRAINTS WHERE table_name='t1';
 constraint_name | constraint_type | table_name | index_owner |  index_name
-----------------+-----------------+------------+-------------+---------------
 c_custkey_key   | p               | t1         | u1          | c_custkey_key
(1 row)

Parent topic: System Views

7.6 KiB Raw Blame History

USER_CONSTRAINTS

Example

7.6 KiB

Raw Blame History