Niklas Tech Blog

Here I have collected all common commands and SQL for PostgreSQL that I use in my work

Help on psql slash commands
\?

Help on SQL commands
\h

List databases
\l

Connect to different database
\c database

Eqivavent to DESCRIBE table
\d+ tablename

List database settings
\set

List all tables
\dt

List users
\du

Quit psql command line
\q

Create user

CREATE USER niklas WITH PASSWORD 'myPassword';

Grant all privilegies on database to a user

GRANT ALL PRIVILEGES ON DATABASE myDatabase to niklas;

Grant alla privilegies on table to a user

GRANT ALL PRIVILEGES ON TABLE myTable to niklas;

Create table syntax (standard)

CREATE TABLE myTable (id serial, time integer);

Insert statement

INSERT INTO public.user (id, login, password) VALUES (1, 'test','test');# NOTE the single quotes!

Update statement

UPDATE films SET kind = 'Dramatic' WHERE kind = 'Drama';# NOTE the single quotes!

Delete statement

DELETE FROM films WHERE producer_id = 1;

I hope to come back to this sheet to add stuff as time goes by