[DATABASE/ORACLE] SQL%FOUND 암시적 커서 속성 사용하기

 

CREATE TABLE EMP

(

    EMPNO    NUMBER(4, 0)

   ,ENAME    VARCHAR2(10)

   ,SAL      NUMBER(7, 2)

   ,CONSTRAINT PK_EMP PRIMARY KEY (EMPNO)

);

 

INSERT INTO EMP VALUES(7369, 'SMITH' ,  800);

INSERT INTO EMP VALUES(7499, 'ALLEN' , 1600);

INSERT INTO EMP VALUES(7521, 'WARD'  , 1250);

INSERT INTO EMP VALUES(7566, 'JONES' , 2975);

INSERT INTO EMP VALUES(7654, 'MARTIN', 1250);

INSERT INTO EMP VALUES(7698, 'BLAKE' , 2850);

INSERT INTO EMP VALUES(7782, 'CLARK' , 2450);

INSERT INTO EMP VALUES(7788, 'SCOTT' , 3000);

INSERT INTO EMP VALUES(7839, 'KING'  , 5000);

INSERT INTO EMP VALUES(7844, 'TURNER', 1500);

INSERT INTO EMP VALUES(7876, 'ADAMS' , 1100);

INSERT INTO EMP VALUES(7900, 'JAMES' , 950 );

INSERT INTO EMP VALUES(7902, 'FORD'  , 3000);

INSERT INTO EMP VALUES(7934, 'MILLER', 1300);

 

COMMIT;

 

CREATE PROCEDURE ChangeEmployeeName(P_OLD_NAME IN EMP.ENAME%TYPE, P_NEW_NAME IN EMP.ENAME%TYPE, P_CHANGED OUT BOOLEAN)

    UPDATE EMP

    SET    ENAME = P_NEW_NAME

    WHERE  ENAME = P_OLD_NAME;

 

    P_CHANGED := SQL%FOUND;

END;

 

SET SERVEROUTPUT ON;

 

    V_CHANGED BOOLEAN;

    ChangeEmployeeName('ALLEN', 'ALLEN_NEW', V_CHANGED);

 

    IF V_CHANGED = TRUE

        DBMS_OUTPUT.PUT_LINE('UPDATED');

        DBMS_OUTPUT.PUT_LINE('NO UPDATED');

    END IF;

END;