1. 程式人生 > >ORACLE PL/SQL程式設計詳解之三:PL/SQL流程控制語句(不給規則,不成方圓)

ORACLE PL/SQL程式設計詳解之三:PL/SQL流程控制語句(不給規則,不成方圓)

DECLARE
   v_first_name employees.first_name
%TYPE;
   v_job_id employees.job_id
%TYPE;
   v_salary employees.salary
%TYPE;
   v_sal_raise 
NUMBER(3,2);
BEGINSELECT first_name,   job_id,   salary INTO
          v_first_name, v_job_id, v_salary
   
FROM employees WHERE employee_id =&emp_id;
   
CASEWHEN v_job_id ='PU_CLERK'THENIF v_salary <3000THEN v_sal_raise := .08;
         
ELSE v_sal_raise := .07;
         
ENDIF;
      
WHEN v_job_id ='SH_CLERK'THENIF v_salary <4000THEN v_sal_raise := .06;
         
ELSE v_sal_raise := .05;
         
ENDIF;
      
WHEN v_job_id ='ST_CLERK'THENIF v_salary 
<3500THEN v_sal_raise := .04;
         
ELSE v_sal_raise := .03;
         
ENDIF;
      
ELSE
         DBMS_OUTPUT.PUT_LINE(
'該崗位不漲工資: '||v_job_id);
   
ENDCASE;
   DBMS_OUTPUT.PUT_LINE(v_first_name
||'的崗位是'||v_job_id
                                    
||'、的工資是'||v_salary
                                    
||'、工資漲幅是'||v_sal_raise);
END;