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Chapter 3:SQL Data Definition Basic Query Structure Set Operations Aggregate Functions Null Values Nested Subqueries Complex Queries Views Modification of the Database Joined Relations** Database System Concepts,5th Edition,Oct 5,2006 3.2 @Silberschatz,Korth and SudarshanDatabase System Concepts, 5 3.2 ©Silberschatz, Korth and Sudarshan th Edition, Oct 5, 2006 Chapter 3: SQL Data Definition Basic Query Structure Set Operations Aggregate Functions Null Values Nested Subqueries Complex Queries Views Modification of the Database Joined Relations**
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