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 vote153 views1 answer
Pgadmin check database
SQL
1 vote138 views2 answers
Oracle list partitioned tables
SQL
4 votes140 views2 answers
Error loading MySQLdb module.
SQL
4 votes135 views1 answer
Postgres delete last row
SQL
0 vote135 views1 answer
How to write triggers to increment or decrement the number of employees
SQL
-1 vote150 views2 answers
Mysql error 1064 you have an error in your sql syntax
SQL
0 vote149 views1 answer
Sql server create constraint
SQL
0 vote149 views1 answer
.sql File Run in PSQL
SQL
0 vote160 views1 answer
How to find unique element in sql
SQL
1 vote151 views1 answer
Sql group by sum with condition
SQL