How to show tables in PostgreSQL?
Richard C.
The Problem
In PostgreSQL, how do you show all tables for a database?
The Solution
Here are three solutions, ordered from fastest and most specific to PostgreSQL, to slowest but most generic.
PSQL
Assume your database is called db and you are running psql. First, choose (\c) the database to work with, then display (\d) all its tables (\t).
\c db; \dt;
To run psql you can start it from a terminal. The command below assumes your username is postgres and logs into the db database directly:
psql db -U postgres;
You can also use the command \d in psql, instead of \dt, to show all tables, views, sequences, roles, and other database objects. For help on the command, enter \? and page down to see all the variants of \d. Push q to quit the help.
You might want to show all tables in a terminal. This can be of use when running shell scripts to automate database tasks. The following terminal command (-c) will display all tables in the db database without having to type in psql.
psql -U postgres -c "\dt" db;
PostgresSQL SQL
If you are using a general SQL app instead of psql, the following command will work. It will work in psql too.
SELECT * FROM pg_catalog.pg_tables WHERE schemaname='public';
Generic SQL
Finally, this generic command will work across multiple database servers, including Postgres:
SELECT table_schema || '.' || table_name FROM information_schema.tables WHERE table_type = 'BASE TABLE' AND table_schema NOT IN ('pg_catalog', 'information_schema');
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