Web Reference: Aug 17, 2023 · SQL is designed to talk to a database. We do that using sentences that we call queries, which are SQL commands for retrieving data from the database. We’ll soon show you 20 basic SQL query examples to start talking with the database. All these queries are taught in our SQL Basics course. 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, PostgreSQL, and other database systems. This SQL Tutorial helps you master SQL quickly and effectively through many hands-on and practical examples with quizzes.
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