CREATE OR REPLACE PROCEDURE
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
CREATE OR REPLACE PROCEDURE PROCUNO ( W_ID IN NUMBER ) W_FLAG W TAX W MSG NUMBER : = 0 ; NUMBER : = 0 ; NUMBER : = 0 ; STRING ( 20 ) : = " ; BEGIN SELECT COUNT ( * ) INTO W_FLAG FROM COMPRA WHERE COMPRA_ID - W_ID ; W_TAX : - W_X * 0.115 ; IF W_FLAG = 1 THEN SELECT SUM ( CANTIDADCOMPRADA * PRECIO ) INTO W_X FROM PRODUCTO_COMPRADO WHERE PRODUCTO COMPRADO.COMPRA_ID = W_ID ; UPDATE COMPRA SET COMPRA_X = W_X , ELSE WHERE COMPRA_ID = W_ID ; W_MSG : = ' mensajel " ; END IF ; COMPRA_TAX = W_TAX , COMPRA_TOTAL = W_X + W_TAX W_MSG : = ' mensaje2 ' ; END ;
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