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1. www.w3schools.com › sqlSQL Tutorial - W3Schools

   www.w3schools.com › sql

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   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. Start learning SQL now ».

2. www.w3schools.com › mysql › mysql_sqlMySQL SQL - W3Schools

   www.w3schools.com › mysql › mysql_sql

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   What is SQL? SQL is the standard language for dealing with Relational Databases. SQL is used to insert, search, update, and delete database records.

3. www.w3schools.in › sql › tutorialsSQL (Structured Query Language) Tutorial Index - W3Schools

   www.w3schools.in › sql › tutorials

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   SQL (Structured Query Language) is a standard database programming language used for accessing and manipulating data in a database. This SQL tutorial series will help you learn SQL from the basics.

4. www.w3schools.com › sql › sql_introSQL Introduction - W3Schools

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   What Can SQL do? SQL can execute queries against a database; SQL can retrieve data from a database; SQL can insert records in a database; SQL can update records in a database; SQL can delete records from a database; SQL can create new databases; SQL can create new tables in a database; SQL can create stored procedures in a database

5. www.w3schools.in › sql › data-typesSQL Data Types - W3Schools

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   SQL data types specify the type of data that a column or variable can hold in a SQL database. These data types include numeric, character and string, date and time, binary, boolean, enumerated, array, and JSON types.

6. www.w3schools.in › sql › syntaxSQL Syntax - W3Schools

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   The basic syntax of an SQL statement consists of a command followed by a clause and conditions. The most common SQL commands are SELECT, INSERT, UPDATE, DELETE, and CREATE. Each command has its specific syntax and performs a particular task.

7. campus.w3schools.com › en-in › productsLearn SQL — W3Schools.com

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   Dive into the world of databases with our SQL course and gain knowledge over data manipulation. SQL is used for managing data stored in relational databases. You will gain essential skills in querying, updating, and organizing data, which are important in data driven roles.

8. www.w3docs.com › quiz-start › sqlSQL Basics Quiz Test - W3docs

   www.w3docs.com › quiz-start › sql

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   SQL is a database management language for relational databases. Test your knowledge with this basic quiz made especially for beginners in SQL. Answer only 20 questions and get a certificate of achievement.

9. www.w3resource.com › sql › subqueriesSQL Subqueries - w3resource

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   May 29, 2024 · The SQL subquery is a SELECT query that is embedded in the main SELECT statement. The subquery can be nested inside a SELECT, INSERT, UPDATE, or DELETE statement or inside another subquery. w3resource

10. www.geeksforgeeks.org › sql-tutorialSQL Tutorial - GeeksforGeeks

    www.geeksforgeeks.org › sql-tutorial

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    May 6, 2024 · In this SQL tutorial, you’ll learn all the basic to advanced SQL concepts like SQL queries, SQL join, SQL injection, SQL insert, and creating tables in SQL. SQL is easy to learn, there are no prerequisites to learning SQL.