Postgres
Operation
psql -h <HOSTNAME> -U <USER> [<DB>]
psql <DB> <USER>
\l // show databases
\c <DB> // connect to DB
\d <TABLE> // show schema of table !!! SQL case sensitive, DB to be enclosed in " otherwise no case sensitiveness
\dt // show tables
\du // list users
<SQL>; // e.g.
CREATE DATABASE "<DB>"; // !!! SQL case sensitive, DB to be enclosed in " otherwise no case sensitiveness, semicolon needed
DROP TABLE <TABLE>;
SELECT * FROM <DB>;
dropdb -h <HOSTNAME> -U <User> <DB>
createdb -h <HOSTNAME> -U <User> <DB>