Our SQL tutorial will teach you how to use SQL in: MySQL, SQL Server, MS Access, Oracle, Sybase, Informix, Postgres, and other database systems. Start learning SQL now »

SQL is a set -based, declarative programming language, not an imperative programming language like C or BASIC. However, extensions to Standard SQL add procedural programming language …

Nov 5, 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 …

Jan 23, 2026 · Structured Query Language (SQL) is the standard language used to interact with relational databases. It allows users to store, retrieve, update and manage data efficiently through …

Though not required on every platform, it is defined as a standard part of the SQL grammar. Insignificant whitespace is generally ignored in SQL statements and queries, making it easier to format SQL code …

SQL is a Standard - BUT.... Although SQL is an ANSI/ISO standard, there are different versions of the SQL language. However, to be compliant with the ANSI standard, they all support at least the major …

Semicolon is the standard way to separate each SQL statement in database systems that allow more than one SQL statement to be executed in the same call to the server.

Jun 3, 2025 · An SQL database is any database that uses SQL to query and manage the data it holds. It organizes information into tables, which are made up of rows (records) and columns (fields).

This tutorial provides you with easy to understand SQL instructions and allows you to practice while you are learning, using an online SQL interpreter. By practicing your SQL commands and seeing …

Learn how to use SQL to store, query, and manipulate data. SQL is a special-purpose programming language designed for managing data in a relational database, used by thousands of apps and …