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  1. 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, …

  2. w3schools.com
    https://www.w3schools.com › sql › sql_intro.asp

    SQL Introduction - W3Schools

    RDBMS is the basis for SQL, and for all modern database systems such as MS SQL Server, IBM DB2, Oracle, MySQL, and Microsoft Access. The data in RDBMS is stored in database objects called tables.

  3. w3schools.com
    https://www.w3schools.com › Sql › sql_comments.asp

    SQL Comments - W3Schools

    SQL Comments Comments are used to explain sections of SQL statements, or to prevent execution of SQL statements. Note: Comments are not supported in Microsoft Access databases!

  4. w3schools.com
    https://www.w3schools.com › mysql

    MySQL Tutorial - W3Schools

    Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.

  5. w3schools.com
    https://www.w3schools.com › sql › sql_quickref.asp

    SQL Quick Reference - W3Schools

    Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.

  6. w3schools.com
    https://www.w3schools.com › postgresql › index.php

    PostgreSQL Tutorial - W3Schools

    Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, PHP, Python, Bootstrap, Java and XML.

  7. w3schools.com
    https://www.w3schools.com › mysql › mysql_rdbms.asp

    MySQL RDBMS - Relational Database Management System

    RDBMS is the basis for all modern database systems such as MySQL, Microsoft SQL Server, Oracle, and Microsoft Access. RDBMS uses SQL queries to access the data in the database.

  8. w3schools.com
    https://www.w3schools.com › MySQL › mysql_syllabus.asp

    MySQL Syllabus (Curriculum) - W3Schools

    Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.

  9. w3schools.com
    https://www.w3schools.com › mysql › mysql_sql.asp

    MySQL SQL - W3Schools

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

  10. w3schools.com
    https://www.w3schools.com › SQL › sql_where.asp

    SQL WHERE Clause - W3Schools

    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.