DATABASE » SQL » POSTGRESQL
Queries
Database
Command | Description |
---|---|
\c DBNAME \connect DBNAME | Connect to database. |
\l \list | List databases. |
\q \quit | Quit. |
Table
Command | Description |
---|---|
\dt | Describe (list) tables. |
\d TABLE | Describe table. |
Display mode
Use \x
to toggle the way to display query results (table or expanded).
It is also possible to use \gx
to apply expanded formatting mode for the current query only.
txt
SELECT * FROM my_table \gx
Functions
sql
SELECT COALESCE(title, 'NULL') AS title FROM posts;
SELECT LEFT(nick,10) FROM users;