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SQL Tutorial SQL is a standard language for storing, manipulating and retrieving data in databases
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HTML Exercises Many chapters in this tutorial end with an exercise where you can check your level of knowledge
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Python Exercises Many chapters in this tutorial end with an exercise where you can check your level of knowledge
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Learn JavaScript The Programming Language of the Web JavaScript is easy to learn This tutorial covers everything from basic JavaScript up to the latest 2025 version Start learning JavaScript now »
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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 »
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We recommend reading this tutorial, in the sequence listed in the left menu C++ is an object oriented language and some concepts may be new Take breaks when needed, and go over the examples as many times as needed
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This tutorial follows Bootstrap 3, which was released in 2013 However, we also cover newer versions; Bootstrap 4 (released 2018) and Bootstrap 5 (released 2021)
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