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, Informix, Postgres, and other database systems.

Structured Query Language (SQL) (pronounced / ˌɛsˌkjuˈɛl / S-Q-L; or alternatively as / ˈsiːkwəl / ⓘ "sequel") [4][5] is a domain-specific language used to manage data, especially in a relational database management system (RDBMS).

Jul 31, 2025 · Learn the foundational concepts of SQL, essential for anyone working with relational databases. This section covers the syntax, commands, and key elements to start querying and managing data effectively. This section guides you through the process of …

This SQL Tutorial helps you master SQL quickly and effectively with clear concepts, hands-on examples, and interactive quizzes. Whether you’re a software developer, database administrator, …

Our SQL tutorial helps you learn SQL (Structured Query Language) in simple and easy steps so that you can start your database programming quickly. It covers most of the important concepts …

Structured query language (SQL) is a programming language for storing and processing information in a relational database. A relational database stores information in tabular form, with rows and columns representing different data attributes and the various relationships between the data values.

What is SQL? SQL, or Structured Query Language, is a language designed to allow both technical and non-technical users to query, manipulate, and transform data from a relational database.

Jun 28, 2022 · SQL, or Structured Query Language, is a programming language used to talk to databases. With SQL, you can store, manipulate, and retrieve data from relational databases. Retrieve data from a database. Filter and sort data from a database. Perform computations on database data. Insert records into a database. Update existing records in a database.

Apr 30, 2021 · The term SQL stands for Structured Query Language. A query language is a programming language that accesses data stored in relational databases. That term may sound technical, but don’t worry — SQL’s structure is relatively simple. Here’s an example: FROM customers. WHERE state = 'California';

Aug 1, 2025 · SQL or Structured Query Language, is a tool for communicating with databases to store, retrieve and manage data efficiently. Imagine running a bookstore with thousands of books, customers and sales, but with no system to track any of it.