Видео с ютуба W3Schools Sql Functions

SQL - Оператор SELECT - W3Schools.com

SQL - Оператор SELECT DISTINCT - W3Schools.com

SQL - DELETE Statement - W3Schools.com

SQL - UPDATE Statement - W3Schools.com

SQL - Значения NULL - W3Schools.com

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W3Schools MySQL Tutorial - 02 UNDERSTANDING Limit, Functions, Counts, Like in MySQL using W3Schools

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MIN and MAX Functions | Easy SQL Tutorial

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