--先把scott里面的表弄到test表空间里面来
CREATE TABLE EMP AS
SELECT * FROM SCOTT.EMP;
CREATE TABLE DEPT AS
SELECT * FROM SCOTT.DEPT;
/*
上机1
*/
--(1)计算King所交税金
DECLARE
V_SHUIJIN NUMBER; --应交税金
V_SAL SCOTT.EMP.SAL%TYPE; --工资
C_QIZHENDIAN CONSTANT NUMBER :=3500;
BEGIN
SELECT SAL INTO V_SAL FROM SCOTT.EMP WHERE ENAME='KING';
IF (V_SAL-C_QIZHENDIAN)<=1500 THEN
V_SHUIJIN:=(V_SAL-C_QIZHENDIAN)*0.03-0;
ELSIF (V_SAL-C_QIZHENDIAN)>1500 AND (V_SAL-C_QIZHENDIAN)<=4500 THEN
V_SHUIJIN:=(V_SAL-C_QIZHENDIAN)*0.1-105;
ELSIF (V_SAL-C_QIZHENDIAN)>4500 AND (V_SAL-C_QIZHENDIAN)<=9000 THEN
V_SHUIJIN:=(V_SAL-C_QIZHENDIAN)*0.2-555;
ELSIF (V_SAL-C_QIZHENDIAN)>9000 AND (V_SAL-C_QIZHENDIAN)<=35000 THEN
V_SHUIJIN:=(V_SAL-C_QIZHENDIAN)*0.25-1005;
ELSIF (V_SAL-C_QIZHENDIAN)>35000 AND (V_SAL-C_QIZHENDIAN)<=55000 THEN
V_SHUIJIN:=(V_SAL-C_QIZHENDIAN)*0.3-2755;
ELSIF (V_SAL-C_QIZHENDIAN)>55000 AND (V_SAL-C_QIZHENDIAN)<=80000 THEN
V_SHUIJIN:=(V_SAL-C_QIZHENDIAN)*0.35-5505;
ELSIF (V_SAL-C_QIZHENDIAN)>80000 THEN
V_SHUIJIN:=(V_SAL-C_QIZHENDIAN)*0.45-13505;
END IF;
DBMS_OUTPUT.PUT_LINE('KING所交的税金是:'||V_SHUIJIN);
END;
--(2)根据员工scott入职的时间修改发放奖金列,大于等于6年的奖金为2000,小于6年的奖金是1500
DECLARE
V_SCOTT_HIREDATE EMP.HIREDATE%TYPE; --SCOTT的入职时间
V_COMM NUMBER; --奖金
BEGIN
SELECT HIREDATE INTO V_SCOTT_HIREDATE FROM EMP WHERE ENAME='SCOTT';
IF (SYSDATE-V_SCOTT_HIREDATE)>=365*6 THEN
V_COMM:=2000;
ELSE
V_COMM:=1500;
END IF;
--开始修改
UPDATE EMP SET COMM=V_COMM WHERE ENAME='SCOTT';
IF SQL%ROWCOUNT>0 THEN
DBMS_OUTPUT.PUT_LINE('修改成功!');
ELSE
DBMS_OUTPUT.PUT_LINE('修改失败!');
END IF;
END;
--(3)查询scott相应的工资级别并显示所在部门名称,薪水,和所在的级别
DECLARE
V_SCOTT_SAL EMP.SAL%TYPE; --scott的工资
V_JIBIE NUMBER; --级别
V_DEPTNAME DEPT.DNAME%TYPE; --部门名称
BEGIN
SELECT SAL,DNAME INTO V_SCOTT_SAL,V_DEPTNAME FROM EMP E JOIN DEPT D
ON E.DEPTNO=D.DEPTNO
WHERE ENAME='SCOTT';
IF V_SCOTT_SAL>700 AND V_SCOTT_SAL<=3200 THEN
V_JIBIE:=1; --第一级别
ELSIF V_SCOTT_SAL>3200 AND V_SCOTT_SAL<=4400 THEN
V_JIBIE:=2; --第二级别
ELSIF V_SCOTT_SAL>4400 AND V_SCOTT_SAL<=5000 THEN
V_JIBIE:=3; --第三级别
ELSIF V_SCOTT_SAL>5000 AND V_SCOTT_SAL<=7000 THEN
V_JIBIE:=4; --第四级别
ELSIF V_SCOTT_SAL>7000 AND V_SCOTT_SAL<=10000 THEN
V_JIBIE:=5; --第五级别
END IF;
DBMS_OUTPUT.PUT_LINE('SCOTT所在的部门是:'||V_DEPTNAME||',薪水是:'||V_SCOTT_SAL||',所在的级别是:第'||V_JIBIE||'级别');
END;
--(4)位员工scott增加工资,每次增加100,直到增加到10000为止
DECLARE
V_SCOTT_SAL EMP.SAL%TYPE; --SCOTT的工资
BEGIN
SELECT SAL INTO V_SCOTT_SAL FROM EMP WHERE ENAME='SCOTT';
LOOP
--增加工资
V_SCOTT_SAL:=V_SCOTT_SAL+100;
EXIT WHEN V_SCOTT_SAL>=10000;
END LOOP;
--修改scott的工资
UPDATE EMP SET SAL=V_SCOTT_SAL WHERE ENAME='SCOTT';
IF SQL%ROWCOUNT>0 THEN
DBMS_OUTPUT.PUT_LINE('增加成功!');
ELSE
DBMS_OUTPUT.PUT_LINE('增加失败!');
END IF;
END;
/*
上机2 预定义异常
公司通过emp表维护职员记录,用以接收职员编号并检索职员姓名,
*/
DECLARE
V_ENAME VARCHAR2(4);
BEGIN
SELECT ENAME INTO V_ENAME FROM EMP WHERE EMPNO=&EMPNO;
DBMS_OUTPUT.PUT_LINE('已找到'||V_ENAME);
EXCEPTION
WHEN NO_DATA_FOUND THEN
DBMS_OUTPUT.PUT_LINE('对不起,没有该职员!');
WHEN VALUE_ERROR THEN
DBMS_OUTPUT.PUT_LINE('职员名称太长!');
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('出现其他的异常!');
END;
/*
上机3自定义异常、
||输入员工编号,工资,部门编号,
||如果部门代码是10,且工资低于10000,更新员工的工资是10000
||如果部门代码是10,工资高于10000,显示消息“工资不低于10000”
||如果部门代码不是10则不显示
*/
DECLARE
V_EMPNO EMP.EMPNO%TYPE; --员工编号
V_DEPTNO EMP.DEPTNO%TYPE; --部门编号
V_SAL EMP.SAL%TYPE; --工资
V_ENAME EMP.ENAME%TYPE; --姓名
V_V_EMPNO EMP.EMPNO%TYPE; --输入员工编号
V_V_DEPTNO EMP.DEPTNO%TYPE; --输入部门编号
V_V_SAL EMP.SAL%TYPE; --输入工资
E_ERROR_DEPTNO EXCEPTION; --自定义异常(部门编号不是10)
E_ERROR_EMPNO EXCEPTION; --自定义异常(找不到该员工)
V_COUNT NUMBER; --声明一个记录数
BEGIN
--输入员工编号
V_EMPNO:=&V_V_EMPNO;
--输入工资
V_SAL:=&V_VSAL;
--输入部门编号
V_DEPTNO:=&V_V_DEPTNO;
IF V_DEPTNO=10 THEN
--在进行二次判断(输入员工编号)
IF V_SAL<10000 THEN
--判断输入的员工编号是否存在,不存在的话报异常,存在的话继续
SELECT COUNT(*) INTO V_COUNT FROM EMP WHERE EMPNO=V_DEPTNO;
IF V_COUNT!=1 THEN
RAISE E_ERROR_EMPNO; --报异常
ELSE
--更新工资为1000
UPDATE EMP SET SAL=10000 WHERE EMPNO=V_EMPNO;
IF SQL%ROWCOUNT>0 THEN
DBMS_OUTPUT.PUT_LINE('更新成功!!!');
ELSE
DBMS_OUTPUT.PUT_LINE('更新失败!!!');
END IF;
END IF;
ELSIF V_SAL>10000 THEN
DBMS_OUTPUT.PUT_LINE('工资不低于10000!!');
END IF;
ELSE
RAISE E_ERROR_DEPTNO;
END IF;
EXCEPTION
WHEN E_ERROR_DEPTNO THEN
DBMS_OUTPUT.PUT_LINE('部门代码不是10!!');
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('出现其他异常,请自行解决!!!');
END;
SELECT * FROM EMP;
DECLARE
V_NAME EMP.ENAME%TYPE;
E_ERROR EXCEPTION;
V_COUNT NUMBER; --记录数
BEGIN
SELECT COUNT(*) INTO V_COUNT FROM EMP WHERE EMPNO=7901;
IF (V_COUNT=1) THEN
DBMS_OUTPUT.PUT_LINE(V_NAME);
ELSE
RAISE E_ERROR;
END IF;
EXCEPTION
WHEN E_ERROR THEN
DBMS_OUTPUT.PUT_LINE('没有记录!');
/*when no_data_found then
DBMS_OUTPUT.PUT_LINE('找不到!');*/
END;
DECLARE
V_NAME VARCHAR2(10);
E_ERROR EXCEPTION;
BEGIN
IF V_NAME IS NULL THEN
RAISE E_ERROR;
ELSE
DBMS_OUTPUT.PUT_LINE(V_NAME);
END IF;
EXCEPTION
WHEN E_ERROR THEN
DBMS_OUTPUT.PUT_LINE('没有记录!');
END;
/*
//上机4使用游标
*/
--(1)计算公司应交税金的总额
DECLARE
V_SHUIJIN NUMBER; --应交税金
V_SAL SCOTT.EMP.SAL%TYPE; --工资
V_SUM NUMBER(10):=0; --总税金
C_QIZHENDIAN CONSTANT NUMBER :=3500;
CURSOR CURSOR_SAL IS
SELECT SAL FROM EMP; --所有的员工的工资
BEGIN
OPEN CURSOR_SAL;
LOOP
FETCH CURSOR_SAL INTO V_SAL;--把所有的工资放在V_SAL里面
EXIT WHEN CURSOR_SAL%NOTFOUND;
IF (V_SAL-C_QIZHENDIAN)<=1500 THEN
V_SHUIJIN:=(V_SAL-C_QIZHENDIAN)*0.03-0;
ELSIF (V_SAL-C_QIZHENDIAN)>1500 AND (V_SAL-C_QIZHENDIAN)<=4500 THEN
V_SHUIJIN:=(V_SAL-C_QIZHENDIAN)*0.1-105;
ELSIF (V_SAL-C_QIZHENDIAN)>4500 AND (V_SAL-C_QIZHENDIAN)<=9000 THEN
V_SHUIJIN:=(V_SAL-C_QIZHENDIAN)*0.2-555;
ELSIF (V_SAL-C_QIZHENDIAN)>9000 AND (V_SAL-C_QIZHENDIAN)<=35000 THEN
V_SHUIJIN:=(V_SAL-C_QIZHENDIAN)*0.25-1005;
ELSIF (V_SAL-C_QIZHENDIAN)>35000 AND (V_SAL-C_QIZHENDIAN)<=55000 THEN
V_SHUIJIN:=(V_SAL-C_QIZHENDIAN)*0.3-2755;
ELSIF (V_SAL-C_QIZHENDIAN)>55000 AND (V_SAL-C_QIZHENDIAN)<=80000 THEN
V_SHUIJIN:=(V_SAL-C_QIZHENDIAN)*0.35-5505;
ELSIF (V_SAL-C_QIZHENDIAN)>80000 THEN
V_SHUIJIN:=(V_SAL-C_QIZHENDIAN)*0.45-13505;
END IF;
V_SUM:=V_SUM+V_SHUIJIN;
END LOOP;
CLOSE CURSOR_SAL; --关闭游标
DBMS_OUTPUT.PUT_LINE(V_SUM);
EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('出现异常!');
END;
--(2)根据员工入职时间修改所有员工发放奖金,大于6年的+2000,小于的1500+
DECLARE
V_COMM EMP.COMM%TYPE; --奖金
CURSOR CURSOR_EMP_COMM IS
SELECT HIREDATE FROM EMP FOR UPDATE;
BEGIN
FOR CUR1 IN CURSOR_EMP_COMM LOOP
IF (SYSDATE-CUR1.HIREDATE)>=365*6 THEN
V_COMM:=2000;
ELSE
V_COMM:=1500;
END IF;
--开始修改
UPDATE EMP SET COMM=V_COMM WHERE CURRENT OF CURSOR_EMP_COMM;
IF SQL%ROWCOUNT>0 THEN
DBMS_OUTPUT.PUT_LINE('更新成功!!!');
ELSE
DBMS_OUTPUT.PUT_LINE('更新失败!!!');
END IF;
END LOOP;
EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('出现异常!');
END;
--(3)显示员工姓名,所在部门名称,薪水,所在级别
DECLARE
C_DNAME CONSTANT VARCHAR2(20):='SALES'; --销售部门
V_JIBIE NUMBER; --级别
CURSOR CURSOR_EMP IS
SELECT ENAME,DNAME,SAL FROM EMP E
JOIN DEPT D ON E.DEPTNO=D.DEPTNO
WHERE DNAME=C_DNAME;
BEGIN
FOR C1 IN CURSOR_EMP LOOP
IF C1.SAL>700 AND C1.SAL<=3200 THEN
V_JIBIE:=1; --第一级别
ELSIF C1.SAL>3200 AND C1.SAL<=4400 THEN
V_JIBIE:=2; --第二级别
ELSIF C1.SAL>4400 AND C1.SAL<=5000 THEN
V_JIBIE:=3; --第三级别
ELSIF C1.SAL>5000 AND C1.SAL<=7000 THEN
V_JIBIE:=4; --第四级别
ELSIF C1.SAL>7000 AND C1.SAL<=10000 THEN
V_JIBIE:=5; --第五级别
ELSE
V_JIBIE:=0; --没有级别
END IF;
DBMS_OUTPUT.put_line(C1.ENAME||'在'||C1.DNAME||'部门,'||'薪水是'||C1.SAL||'在第'||V_JIBIE||'级别');
END LOOP;
EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE('出现异常!');
END;
/*
上机5 存储过程
*/
--(1)根据输入的员工编号,删除相应的员工
CREATE OR REPLACE PROCEDURE DEL_EMPNAME
(
ENO EMP.EMPNO%TYPE, --输入员工的编号
ON_FLAG OUT NUMBER, --执行状态,-1失败,1成功 0异常
ON_MSG OUT VARCHAR --提示信息
)
IS
E_ERROR EXCEPTION; --异常信息
BEGIN
DELETE FROM EMP WHERE EMPNO=ENO;
IF SQL%NOTFOUND THEN
RAISE E_ERROR;
ELSE
ON_FLAG:=1; --执行成功
ON_MSG:='删除成功!';
END IF;
EXCEPTION
WHEN E_ERROR THEN
ON_FLAG:=0; --执行成功
ON_MSG:='删除失败!';
WHEN OTHERS THEN
ON_FLAG:=0;
ON_MSG:='出现异常!';
END;
DROP PROCEDURE DEL_EMPNAME;
--调用存储过程
DECLARE
V_EMPNO NUMBER;
ENO NUMBER(5);
ON_FLAG NUMBER(1);
ON_MSG VARCHAR(20);
BEGIN
ENO:=&EMPNO; --输入编号
DEL_EMPNAME(ENO,ON_FLAG,ON_MSG);
DBMS_OUTPUT.PUT_LINE(ON_FLAG);
DBMS_OUTPUT.PUT_LINE(ON_MSG);
END;
--(2)创建输出参数为薪水集合的存储过程,调用并显示所有员工的薪水
CREATE OR REPLACE PROCEDURE get_sals(
cur_salary OUT SYS_REFCURSOR,
on_Flag OUT number, --执行状态
os_Msg OUT VARCHAR2 --提示信息
)
AS
BEGIN
OPEN cur_salary FOR
SELECT empno,sal FROM employee;
on_Flag:=1;
os_Msg:='成功';
EXCEPTION
WHEN OTHERS THEN
on_Flag:=-1;
os_Msg:='其他错误,与管理员联系。';
END;
DECLARE
v_empno employee.empno%type;
v_sal employee.sal%type;
emp_salary SYS_REFCURSOR;
on_Flag number(1); --执行状态
os_Msg VARCHAR2(200); --提示信息
BEGIN
get_sals(emp_salary,on_Flag,os_Msg);
IF on_flag=1 THEN
LOOP
FETCH emp_salary INTO v_empno, v_sal;
EXIT WHEN emp_salary%notfound;
DBMS_OUTPUT.PUT_LINE(v_empno||'的薪水是' ||v_sal);
END LOOP;
ELSE
dbms_output.put_line(os_Msg);
END IF;
IF emp_salary%ISOPEN THEN
CLOSE emp_salary;
END IF;
END;