Documents Query Processing

Chapter 12: Query Processing Database System Concepts, 6th Ed. ©Silberschatz, Korth and Sudarshan See www.db-book.com for conditions on re-use Chapter 12: Query Processing…

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1. The employees table contains 11 columns. The following block declares a cursor and a record based on the cursor: DECLARE CURSOR emp_curs IS SELECT * FROM employees; v_emp_rec…