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w3schools.com
https://www.w3schools.com/sql/
SQL Tutorial - W3Schools
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.
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wikipedia.org
https://en.wikipedia.org/wiki/SQL
SQL - Wikipedia
Introduced in the 1970s, SQL offered two main advantages over older read–write APIs such as ISAM or VSAM. Firstly, it introduced the concept of accessing many records with one single command. Secondly, it eliminates the need to specify how to reach a record, i.e., with or without an index.
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sqltutorial.org
https://www.sqltutorial.org/
SQL Tutorial: Learn SQL from Scratch for Beginners
This SQL Tutorial helps you master SQL quickly and effectively through many hands-on and practical examples with quizzes.
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geeksforgeeks.org
https://www.geeksforgeeks.org/sql/sql-tutorial/
SQL Tutorial - GeeksforGeeks
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 creating and managing databases.
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sqlbolt.com
https://sqlbolt.com/
SQLBolt - Learn SQL - Introduction to 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. And due to its simplicity, SQL databases provide safe and scalable storage for millions of websites and mobile applications. Did you know?
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codecademy.com
https://www.codecademy.com/learn/learn-sql
Learn SQL - Codecademy
In this SQL course, you’ll learn how to manage large datasets and analyze real data using the standard data management language. Information is all around us. You can put it to use by learning SQL basics.
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sql-easy.com
https://www.sql-easy.com/
Learn SQL Online Free - Interactive SQL Tutorial for Beginners
This tutorial provides you with easy to understand SQL instructions and allows you to practice while you are learning, using an online SQL interpreter. To learn by practicing your SQL commands, seeing immediate results.
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dataquest.io
https://www.dataquest.io/guide/sql-tutorial/
SQL Tutorials: A Complete Guide – Dataquest
By picking up these SQL data summarization techniques, you'll be able to extract valuable insights from large datasets, identify trends, and make informed decisions.
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learnsql.com
https://learnsql.com/
SQL online courses | LearnSQL.com
Achieve SQL mastery with the most comprehensive set of 82 hands-on online SQL courses for beginners and experts. Get lifetime access to all present and future SQL tracks and courses. Take a detailed assessment and receive personalized learning recommendations.
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tutorialspoint.com
https://www.tutorialspoint.com/sql/index.htm
SQL Tutorial
SQL is a database computer language designed for the retrieval and management of data in a relational databases like MySQL, MS Access, SQL Server, Oracle, Sybase, Informix, Postgres etc. SQL stands for Structured Query Language. SQL was developed in the 1970s by IBM Computer Scientists.