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SQL AND, OR and NOT Operators

Lesson 15. SQL AND, OR and NOT Operators. Trainer: Bach Ngoc Toan – TEDU Website: http://tedu.com.vn. SQL WHERE. A  WHERE clause  in SQL is a data manipulation language statement. Actually. it filters the records. It returns only those queries which fulfill the specific conditions.

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SQL AND, OR and NOT Operators

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  1. Lesson 15 SQL AND, OR and NOT Operators Trainer: Bach Ngoc Toan– TEDU Website: http://tedu.com.vn

  2. SQL WHERE • A WHERE clause in SQL is a data manipulation language statement. • Actually. it filters the records. It returns only those queries which fulfill the specific conditions. • WHERE clause is used in SELECT, UPDATE, DELETE statement etc. SELECT column1, column 2, ... column n   FROM    table_name   WHERE [conditions]  

  3. SQL AND, OR and NOT Operators • The WHERE clause can be combined with AND, OR, and NOT operators. • The AND and OR operators are used to filter records based on more than one condition: • The AND operator displays a record if all the conditions separated by AND is TRUE. • The OR operator displays a record if any of the conditions separated by OR is TRUE. • The NOT operator displays a record if the condition(s) is NOT TRUE.

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