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, …

What is SQL? SQL stands for Structured Query Language; SQL lets you access and manipulate databases; SQL became a standard of the American National Standards Institute (ANSI) in …

SQL is used to insert, search, update, and delete database records. How to Use SQL The following SQL statement selects all the records in the "Customers" table:

W3Schools has created an SQL database in your browser. The menu to the right displays the database, and will reflect any changes. Feel free to experiment with any SQL statement.

The SQL WHERE Clause. The WHERE clause is used to filter records. It is used to extract only those records that fulfill a specified condition.

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SQL Server has many built-in functions. This reference contains string, numeric, date, conversion, and some advanced functions in SQL Server.

SQL Editor. With our online SQL editor, you can edit SQL statements, and view the result in your browser.

SQL stands for Structured Query Language. SQL is a standard language for accessing databases. SQL has been an international standard (ISO) since 1987

SQL Statement: SELECT Products.ProductID, Products.ProductName, Categories.CategoryName FROM Products JOIN Categories ON Products.CategoryID = …