User anzeigen
SELECT u.usename AS "User name",
u.usesysid AS "User ID",
CASE WHEN u.usesuper AND u.usecreatedb THEN CAST('superuser, create
database' AS pg_catalog.text)
WHEN u.usesuper THEN CAST('superuser' AS pg_catalog.text)
WHEN u.usecreatedb THEN CAST('create database' AS
pg_catalog.text)
ELSE CAST('' AS pg_catalog.text)
END AS "Attributes"
FROM pg_catalog.pg_user u
ORDER BY 1;
Import von CSV in Tabelle
COPY <tableName> FROM '<path/to/file>' DELIMITER ',' CSV;
Import von SQL Datei
psql -U -h -d -f FileMitStatements.sql
Find FOREIGN KEY
SELECT
tc.constraint_name, tc.table_name, kcu.column_name,
ccu.table_name AS foreign_table_name,
ccu.column_name AS foreign_column_name
FROM
information_schema.table_constraints AS tc
JOIN information_schema.key_column_usage AS kcu
ON tc.constraint_name = kcu.constraint_name
JOIN information_schema.constraint_column_usage AS ccu
ON ccu.constraint_name = tc.constraint_name
--WHERE constraint_type = 'FOREIGN KEY' AND tc.table_name='mytable';