Chapter 13:Query Processing Overview Measures of Query Cost Selection Operation Sorting Join Operation Other Operations Evaluation of Expressions Database System Concepts-5th Edition,Aug 27,2005. 13.2 @Silberschatz,Korth and SudarshanDatabase System Concepts - 5 13.2 ©Silberschatz, Korth and Sudarshan th Edition, Aug 27, 2005. Chapter 13: Query Processing Overview Measures of Query Cost Selection Operation Sorting Join Operation Other Operations Evaluation of Expressions