Postgresql
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psql
Connect to remote database:
export PGPASSWORD=password && psql --host=10.111.222.1 --port=5492 --username=user --no-password postgres
install psql
apt-get install freetds-bin
List databases
1
SELECT datname FROM pg_database;
2
\l
select database
\c testdb;
show tables
\dt
Change view. One line per attribute
\x on
exit/quit
\q
update
UPDATE users SET admin = 1 WHERE user_id = 14002;
Create database
CREATE DATABASE dbname OWNER username;
Delete database
DROP DATABASE dbname;
Import a database
psql username -h hostname -d dbname < dump.sql
Create user
CREATE USER username WITH PASSWORD 'MYPASS';
Set super privileges
ALTER USER username WITH SUPERUSER;
List users
\du
Deleting user
DROP USER nomusr
Getting help
\? or \h
size of database
SELECT pg_size_pretty( pg_database_size('database') );
size of table
SELECT pg_size_pretty( pg_total_relation_size('tablename') );