Server version: 5.0.77 Source distribution This is the interface through which you can interact with your MySQL ~]# mysql -u wp1user -p Once you’ve done this, you will be welcomed to the MySQL monitor. You will then be prompted to enter your password. ![]() This can be done by entering the following command into your terminal or SSH: # mysql -u wp1user -p To begin, you will need to access your MySQL server. If you’re interested in learning more about specific servers like Apache, Nginx, or LiteSpeed, we have detailed guides on each. Knowing how to display the tables in your database is the first step towards accessing this data.įor more information on the best web servers, you can visit our best web servers page. This could be anything from user data to post information. To understand the importance of this process, consider the following scenario: you’re managing a WordPress blog, and you need to access specific data stored in your MySQL database. You should log in as the user associated with your database, in our case, ‘wp1user’. This tutorial is designed to be followed using the terminal or SSH to access your MySQL Database server. We’ll be using a hypothetical WordPress blog as our example, which has been installed and is running smoothly with the following database details: This comprehensive guide will walk you through the process of displaying tables in a MySQL database server, a skill that is particularly useful for webmasters and website administrators. Use the SELECT statement to query table information from the pg_catalog.pg_tables catalog.In website administration, understanding how to interact with your database is crucial.Use the \dt or \dt+ command in psql to show tables in a specific database.If you omit the WHERE clause, you will get many tables including the system tables. In this query, we used a condition in the WHERE clause to filter system tables. Schemaname != 'information_schema' Code language: SQL (Structured Query Language) ( sql ) It will add the size and description columns: postgres= # \dt+ Code language: PHP ( php ) Showing tables using pg_catalog schemaĪnother way to show tables in PostgreSQL is to use the SELECT statement to query data from the PostgreSQL catalog as follows: SELECT * ![]() To get more information on tables, you can use the \dt+ command. Third, use the \dt command from the PostgreSQL command prompt to show tables in the dvdrental database: postgres= # \dt Code language: PHP ( php ) In this command, you connect to the dvdrental database using the postgres user. In this command, the -d flag means database. Note that you can connect to a specific database when you log in to the PostgreSQL database server: $ psql -U postgres -d dvdrental You are now connected to database "dvdrental" as user "postgres". Third, switch to a database e.g., dvdrental: postgres= # \c dvdrental ![]() Second, enter the password for the user postgres and press the Enter keyboard: Password for user postgres: In this command, you use the postgres user to log in to the PostgreSQL database server. The -U flag stands for the user and -W option requires you to provide the password. Showing tables from PostgreSQL using psqlįirst, connect to PostgreSQL using the psql tool. PostgreSQL does not support the SHOW TABLES statement directly but provides you with an alternative. If you are coming from MySQL, you may want to use the popular SHOW TABLES statement that displays all tables in a specific database. ![]() Summary: in this tutorial, you will learn how to show tables in PostgreSQL using psql tool and pg_catalog schema.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |