質問編集履歴
1
パターンＣを追加
test
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@@ -18,7 +18,7 @@
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この場合に思いつく方法は
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この場合に思いつく方法は３パターンあるのですが、出来る事ならＡパターンのように計算式をSALARY列に書くのは手間・不具合を招きそうですし、Ｂパターンだと更新処理を2回走らせるのでコスト増と考えています。パターンＣは書く量が多くなりますが、やりたい事は満たせています。
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@@ -134,6 +134,116 @@
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-- ＜＜パターンC＞＞
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DECLARE
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CURSOR C_SALARY IS
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SELECT *
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FROM TBL_SALARY
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;
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TYPE TY_SALARY IS TABLE OF TBL_SALARY%ROWTYPE ;
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RC_SALARY TY_SALARY;
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WK_PRICE TBL_SALARY.PRICE%TYPE;
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WK_TIME TBL_SALARY.TIME%TYPE;
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WK_SALARY TBL_SALARY.SALARY%TYPE;
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BEGIN
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OPEN C_SALARY;
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LOOP
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FETCH C_SALARY BULK COLLECT INTO RC_SALARY LIMIT 1000;
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EXIT WHEN RC_SALARY.COUNT = 0;
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FOR i IN 1..RC_SALARY.COUNT LOOP
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IF (RC_SALARY(i).HIRE_DATE <= 20051299) THEN
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WK_PRICE := 800;
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ELSE
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WK_PRICE := 750;
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END IF;
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WK_TIME := 90;
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WK_SALARY := WK_PRICE * WK_TIME;
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UPDATE TBL_SALARY TBL
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SET
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PRICE = WK_PRICE
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,TIME = WK_TIME
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,SALARY = WK_SALARY
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WHERE TBL.EMP_ID = RC_SALARY(i).EMP_ID
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;
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END LOOP;
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END LOOP;
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CLOSE C_SALARY;
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DBMS_OUTPUT.PUT_LINE('COMMIT');
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COMMIT;
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EXCEPTION
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WHEN OTHERS THEN
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DBMS_OUTPUT.PUT_LINE(SQLERRM);
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ROLLBACK;
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END;
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/
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