SQL, the standard query language, is a programming language that is created to manage data stored in an RDBMS relational database management system. SQL is made up of several sub programming languages like data definition language, data control language, and data manipulation language. Here is a brief description of how to manipulate SQL list all tables.
How to use SQL to list all tables
The different database systems such as PostgreSQL, Oracle, SQL Server, SQLite, MySQL, and db2 have different SQL commands to list all tables in a particular database.
SQL list all tables in MySQL
- Connect to MySQL database using MySQL -u username -p command.
- Enter the user password and click then Enter.
- Select the database you want to use.
- Enter the Show Tables command to display all tables in that particular database.
SQL list all tables command in Oracle
Oracle allows the user to use either SQL plus or SQL developer to connect to the Oracle database server and show all tables in the database.
Issue one of the following commands:
- Show all tables the current user owns: Select table _names from user _tables
- Show all tables that are in the current database: select table _name from dba _tables
- Show all tables that the current user can access: select table _name from all _tables
SQL list all tables in PostgreSQL
Postgresql uses the psql command program to connect and run the PostgreSQL database server.
- Connect to the PostgreSQL database server using psql -d database_name -u user -w command.
- Enter the PostgreSQL user password and then press Enter.
- Issue the \dt command to show the tables in the database.
SQL list all tables in SQL server
- Connect the database server.
- To list all the tables in the database, issue the statement select * from information_schema. Tables;.
SQL list all tables in DB2
- Connect to the database in the db2 server using db2 connect to database_name command.
- Use the following command to list all the tables in the database db2 list tables for all.
SQL list all tables in SQLite
- Connect to the SQLite database.
- To show all tables, use the Tables command.
These are the basic steps of using SQL to list all tables in a specific database. Make sure you’re executing each step correctly to successfully use SQL.