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

0 vote386 views1 answer
Top 3 salary in sql
SQL
1 vote357 views1 answer
Mysql select another database
SQL
0 vote342 views1 answer
Resulting Query
SQL
1 vote356 views3 answers
Postgresql crete view
SQL
1 vote382 views1 answer
Group_concat order by
SQL
5 votes339 views1 answer
List foreign key oracle
SQL
0 vote355 views1 answer
Mariadb mysql root access denied
SQL
0 vote343 views2 answers
Postgresql create role
SQL
0 vote360 views1 answer
How to execute stored output to csv files
SQL
4 votes369 views2 answers
Postgres update single column
SQL