And it will keep working across major versions. pg_namespace and pg_user are two main tables that convey schema related information to us. To list all the tables execute: \dt. This query returns list of tables in a database with their number of rows. How does Show Table work in PostgreSQL? The first schema named in the search path is called the current schema. Recommended Articles. Schemas can be retrieved from the system tables of pg_catalog schema which is present in PostgreSQL databases. In this article, we will explore them in detail.. 2.List tables from all schemas. To show a table from the specified database its must be present on the database server. ). PostgreSQL Show table. Using Psql Shell: One way to list all the tables in a database is to use the below command after logging into the database:. @Tommy \dt lists tables for public schema. PostgreSQL does not support the SHOW TABLES statement directly like MySQL does but provides users with an alternative. Building on the first part of @CubicalSoft's answer you can drop in the following function which should work for simple tables (assumes the default 'public' schema' and omits constraints, indexes and user defined data types etc. However, views in the information schema often join in many tables from the system catalogs to meet a strictly standardized format - many of which are just dead freight most of the time. If you are more good at SQL statements, you can get a list of tables using “information_schema”. Then, select the database: \c database_name. Below is the working of the show table in PostgreSQL. Query select n.nspname as table_schema, c.relname as table_name, c.reltuples as rows from pg_class c join pg_namespace n on n.oid = c.relnamespace where c.relkind = 'r' and n.nspname not in ('information_schema','pg_catalog') order by c.reltuples desc; * and for a particular schema use \dt schema_name. * 3.List tables from a specific schema. This is a guide to Postgres List Schemas. To list all available databases from PostgreSQL, execute the next command: \l. * . The information schema is the slow and sure way: it is standardized and largely portable to other databases that support it. etc. Sometimes the table names are the same in various databases; in that case, the show table command is very beneficial. Aside from being the first schema searched, it is also the schema in which new tables will be created if the CREATE TABLE command does not specify a schema name. The list or show table is significant when we have many databases, which has several tables. To show the current search path, use the following command: SHOW search_path; In the default setup this returns: The following command will list tables that are created by you. To show tables from all available schemas, execute the next command: \dt *. Query below lists all tables in specific schema in SQL Server database. Summary: in this tutorial, you will learn how to use commands to list all tables of a database in various database management systems.. Each database system has its own command to show all tables in a specified database. – Serious Nov 22 '17 at 6:34 SELECT table_name FROM information_schema.tables WHERE table_schema='public' The following command will show tables and views which belongs to particular schemas. In this section, we are going to learn how we can show the tables in PostgreSQL. To show tables of all schemas use \dt *. Here you can find the respective SQL command to list all tables in MySQL, PostgreSQL, Oracle, SQL Server, DB2, and SQLite. 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