SQL is a standard language for storing, manipulating and retrieving data in databases. Our SQL tutorial will teach you how to use SQL in: MySQL, SQL Server, MS Access, Oracle, Sybase, …

Nov 12, 2025 · DDL (Data Definition Language) consists of SQL commands that can be used for defining, altering and deleting database structures such as tables, indexes and schemas.

Feb 17, 2021 · What can you do with SQL? Here's a reference guide to the most commonly-used SQL commands, with code examples you can copy-paste.

SQL is divided into various types of commands, including DDL, DML, DQL, DCL, and TCL. In this tutorial, you will learn about the DDL, DML, DQL, DCL, and TCL commands in SQL with the …

This SQL Tutorial helps you master SQL quickly and effectively through many hands-on and practical examples with quizzes.

Master the four essential SQL commands that power every database operation: SELECT, INSERT, UPDATE, and DELETE. This comprehensive tutorial features 20+ hands-on …

Aug 4, 2025 · Master essential SQL commands and data types. This guide covers everything from basic operations and data handling to filtering, functions, operators, and multiple tables, …

SQL, S tructured Q uery L anguage, is a programming language designed to manage data stored in relational databases. SQL operates through simple, declarative statements.

Oct 11, 2024 · Lists and explains frequently-used SQL commands used in SQL queries. The syntax of each SQL command is explained, followed by examples.

We’ve made the ultimate guide to SQL commands in 2025, including DDL, DML, DCL, TCL, and DQL commands, syntax, and examples for beginners and pros.