CREATE DATABASE test1;
USE test1;
##部门表
#DROP IF EXISTS TABLE DEPT;
CREATE TABLE DEPT(
DEPTNO int PRIMARY KEY,##部门编号
DNAME VARCHAR(14) , ##部门名称
LOC VARCHAR(13) ##部门地址
) ;
INSERT INTO DEPT VALUES (10,'ACCOUNTING','NEW YORK');
INSERT INTO DEPT VALUES (20,'RESEARCH','DALLAS');
INSERT INTO DEPT VALUES (30,'SALES','CHICAGO');
INSERT INTO DEPT VALUES (40,'OPERATIONS','BOSTON');
##员工表
#DROP IF EXISTS TABLE EMP;
CREATE TABLE EMP(
EMPNO int PRIMARY KEY, #员工编号
ENAME VARCHAR(10), #员工姓名
JOB VARCHAR(9), #员工工作
MGR int, #员工直属领导编号
HIREDATE DATE, #入职时间
SAL double, #工资
COMM double, #奖金
DEPTNO int #对应dept表的外键
);
## 添加 部门 和 员工 之间的主外键关系
ALTER TABLE EMP ADD CONSTRAINT FOREIGN KEY EMP(DEPTNO) REFERENCES DEPT (DEPTNO);
INSERT INTO EMP VALUES(7369,'SMITH','CLERK',7902,"1980-12-17",800,NULL,20);
INSERT INTO EMP VALUES(7499,'ALLEN','SALESMAN',7698,'1981-02-20',1600,300,30);
INSERT INTO EMP VALUES(7521,'WARD','SALESMAN',7698,'1981-02-22',1250,500,30);
INSERT INTO EMP VALUES(7566,'JONES','MANAGER',7839,'1981-04-02',2975,NULL,20);
INSERT INTO EMP VALUES(7654,'MARTIN','SALESMAN',7698,'1981-09-28',1250,1400,30);
INSERT INTO EMP VALUES(7698,'BLAKE','MANAGER',7839,'1981-05-01',2850,NULL,30);
INSERT INTO EMP VALUES(7782,'CLARK','MANAGER',7839,'1981-06-09',2450,NULL,10);
INSERT INTO EMP VALUES(7788,'SCOTT','ANALYST',7566,'1987-07-03',3000,NULL,20);
INSERT INTO EMP VALUES(7839,'KING','PRESIDENT',NULL,'1981-11-17',5000,NULL,10);
INSERT INTO EMP VALUES(7844,'TURNER','SALESMAN',7698,'1981-09-08',1500,0,30);
INSERT INTO EMP VALUES(7876,'ADAMS','CLERK',7788,'1987-07-13',1100,NULL,20);
INSERT INTO EMP VALUES(7900,'JAMES','CLERK',7698,'1981-12-03',950,NULL,30);
INSERT INTO EMP VALUES(7902,'FORD','ANALYST',7566,'1981-12-03',3000,NULL,20);
INSERT INTO EMP VALUES(7934,'MILLER','CLERK',7782,'1981-01-23',1300,NULL,10);
-- (1)查找部门是30的员工详细信息。
select * from emp where DEPTNO = 30
-- (2)找出从事clerk工作的员工的编号、姓名、部门号。
select * from emp where JOB = 'clerk'
-- (3)检索出奖金多于基本工资的员工信息。
SELECT*FROM emp WHERE comm > sal;
-- (4)检索出奖金多于基本工资60%的员工信息。
SELECT*FROM emp WHERE comm > (sal*0.6);
-- (5)找出10部门的经理、20部门的职员 的员工信息。
SELECT*FROM emp WHERE deptno=10 and job = 'MANAGER' OR deptno=20 and job = 'CLERK';
-- (6)找出10部门的经理、20部门的职员 或者既不是经理也不是职员但是工资高于2000元的员工信息。
SELECT*FROM emp WHERE deptno=10 and job = 'MANAGER' OR deptno=20 and job = 'CLERK' or (deptno=10 and job != 'MANAGER' or deptno=20 and job != 'CLERK');
-- (7)找出获得奖金的员工的信息。
select * from emp where COMM is not null;
-- (8)找出奖金少于100或者没有获得奖金的员工的信息。
select * from emp where COMM is null or comm < 100;
-- (9)找出姓名以A、B、S开始的员工信息。
select*from emp where ename like 'A%' or ename like 'B%' or ename like 'S%';
-- (10)找到名字长度为6个字符的员工信息。
select*from emp where ename like '______'; -- (11)名字中不包含R字符的员工信息。
select*from emp where ename not like '%R%';
-- (12)返回员工的详细信息并按姓名排序。
select*from emp ORDER BY ename asc;
-- (13)返回员工的信息并按工作降序工资升序排列。
select*from emp ORDER BY job desc,sal asc;
-- (14)计算员工的日薪(按30天)。
select ename,sal/30 from emp;
-- (15)找出姓名中包含A的员工信息。
select*from emp where ename like '%A%';
ASE test1;
USE test1;
##部门表
#DROP IF EXISTS TABLE DEPT;
CREATE TABLE DEPT(
DEPTNO int PRIMARY KEY,##部门编号
DNAME VARCHAR(14) , ##部门名称
LOC VARCHAR(13) ##部门地址
) ;
INSERT INTO DEPT VALUES (10,'ACCOUNTING','NEW YORK');
INSERT INTO DEPT VALUES (20,'RESEARCH','DALLAS');
INSERT INTO DEPT VALUES (30,'SALES','CHICAGO');
INSERT INTO DEPT VALUES (40,'OPERATIONS','BOSTON');
##员工表
#DROP IF EXISTS TABLE EMP;
CREATE TABLE EMP(
EMPNO int PRIMARY KEY, #员工编号
ENAME VARCHAR(10), #员工姓名
JOB VARCHAR(9), #员工工作
MGR int, #员工直属领导编号
HIREDATE DATE, #入职时间
SAL double, #工资
COMM double, #奖金
DEPTNO int #对应dept表的外键
);
## 添加 部门 和 员工 之间的主外键关系
ALTER TABLE EMP ADD CONSTRAINT FOREIGN KEY EMP(DEPTNO) REFERENCES DEPT (DEPTNO);
INSERT INTO EMP VALUES(7369,'SMITH','CLERK',7902,"1980-12-17",800,NULL,20);
INSERT INTO EMP VALUES(7499,'ALLEN','SALESMAN',7698,'1981-02-20',1600,300,30);
INSERT INTO EMP VALUES(7521,'WARD','SALESMAN',7698,'1981-02-22',1250,500,30);
INSERT INTO EMP VALUES(7566,'JONES','MANAGER',7839,'1981-04-02',2975,NULL,20);
INSERT INTO EMP VALUES(7654,'MARTIN','SALESMAN',7698,'1981-09-28',1250,1400,30);
INSERT INTO EMP VALUES(7698,'BLAKE','MANAGER',7839,'1981-05-01',2850,NULL,30);
INSERT INTO EMP VALUES(7782,'CLARK','MANAGER',7839,'1981-06-09',2450,NULL,10);
INSERT INTO EMP VALUES(7788,'SCOTT','ANALYST',7566,'1987-07-03',3000,NULL,20);
INSERT INTO EMP VALUES(7839,'KING','PRESIDENT',NULL,'1981-11-17',5000,NULL,10);
INSERT INTO EMP VALUES(7844,'TURNER','SALESMAN',7698,'1981-09-08',1500,0,30);
INSERT INTO EMP VALUES(7876,'ADAMS','CLERK',7788,'1987-07-13',1100,NULL,20);
INSERT INTO EMP VALUES(7900,'JAMES','CLERK',7698,'1981-12-03',950,NULL,30);
INSERT INTO EMP VALUES(7902,'FORD','ANALYST',7566,'1981-12-03',3000,NULL,20);
INSERT INTO EMP VALUES(7934,'MILLER','CLERK',7782,'1981-01-23',1300,NULL,10);
-- (1)查找部门是30的员工详细信息。
select * from emp where DEPTNO = 30
-- (2)找出从事clerk工作的员工的编号、姓名、部门号。
select * from emp where JOB = 'clerk'
-- (3)检索出奖金多于基本工资的员工信息。
SELECT*FROM emp WHERE comm > sal;
-- (4)检索出奖金多于基本工资60%的员工信息。
SELECT*FROM emp WHERE comm > (sal*0.6);
-- (5)找出10部门的经理、20部门的职员 的员工信息。
SELECT*FROM emp WHERE deptno=10 and job = 'MANAGER' OR deptno=20 and job = 'CLERK';
-- (6)找出10部门的经理、20部门的职员 或者既不是经理也不是职员但是工资高于2000元的员工信息。
SELECT*FROM emp WHERE deptno=10 and job = 'MANAGER' OR deptno=20 and job = 'CLERK' or (deptno=10 and job != 'MANAGER' or deptno=20 and job != 'CLERK');
-- (7)找出获得奖金的员工的信息。
select * from emp where COMM is not null;
-- (8)找出奖金少于100或者没有获得奖金的员工的信息。
select * from emp where COMM is null or comm < 100;
-- (9)找出姓名以A、B、S开始的员工信息。
select*from emp where ename like 'A%' or ename like 'B%' or ename like 'S%';
-- (10)找到名字长度为6个字符的员工信息。
select*from emp where ename like '______';
-- (11)名字中不包含R字符的员工信息。
select*from emp where ename not like '%R%';
-- (12)返回员工的详细信息并按姓名排序。
select*from emp ORDER BY ename asc;
-- (13)返回员工的信息并按工作降序工资升序排列。
select*from emp ORDER BY job desc,sal asc;
-- (14)计算员工的日薪(按30天)。
select ename,sal/30 from emp;
-- (15)找出姓名中包含A的员工信息。
select*from emp where ename like '%A%';
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