Postgres psql Commands

• list databases: \l
• connect to database / switch database: \c DB_NAME
• list tables: \dt
• foreign servers: \des+
• foreign tables: \det+
• sequences: \ds+
• trigger functions: \dft
• triggers: \dS <tablename>
• (trigger) function source: \df+ <functionname>
• list users: \du
• more commands: \?
• SQL help: \h

+ means more details, \d describe I guess, usually database need to be selected before a command to see data. Command won't error out if database is not selected.

• list hanged commands in case of race conditions: postgres=# select * from pg_stat_activity;