List all constraints in postgres

How to see constraints in postgresql

SELECT con.*
       FROM pg_catalog.pg_constraint con
            INNER JOIN pg_catalog.pg_class rel
                       ON rel.oid = con.conrelid
            INNER JOIN pg_catalog.pg_namespace nsp
                       ON nsp.oid = connamespace
       WHERE nsp.nspname = '<schema name>'
             AND rel.relname = '<table name>';

Source: dba.stackexchange.com

List all constraints in postgres

SELECT *
       FROM pg_catalog.pg_constraint con,
	   pg_catalog.pg_class rel,
	   pg_catalog.pg_namespace nsp
       WHERE
	   		rel.oid = con.conrelid
			AND nsp.oid = connamespace
	   		AND nsp.nspname like '<schema-name>'
			AND rel.relname like '<table-name>'

Similar codes

2 votes361 views1 answer
Add new column not null sql server
SQL
0 vote401 views1 answer
Copy from one table to another postgres using matching column
SQL
5 votes357 views1 answer
Sqlite alter table add column
SQL
2 votes347 views1 answer
Date_format for time sql
SQL
0 vote347 views1 answer
Install package for sqlserver in asp.net core
SQL
8 votes354 views2 answers
Python simple connect to mysql
SQL
2 votes362 views2 answers
How to run postgresql in linux
SQL
0 vote358 views1 answer
How we can perform acid Operations in sql with examples
SQL
0 vote345 views2 answers
The metadata storage is not up to date, please run the sync-metadata-storage command to fix this issue.
SQL
17 votes344 views6 answers
Sql current date
SQL