Mysql schema emp dept
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This document contains SQL statements to create tables for departments, salary grades, and employees in a company. It then populates the tables with sample data, including department names and locations, employee names and details, and salary grade thresholds.
Mysql schema emp dept
- 1. DROP TABLE IF EXISTS dept; DROP TABLE IF EXISTS salgrade; DROP TABLE IF EXISTS emp; CREATE TABLE salgrade( grade int(4) not null primary key, losal decimal(10,2), hisal decimal(10,2)); CREATE TABLE dept( deptno int(2) not null primary key, dname varchar(50) not null, location varchar(50) not null); CREATE TABLE emp( empno int(4) not null primary key, ename varchar(50) not null, job varchar(50) not null, mgr int(4), hiredate date, sal decimal(10,2), comm decimal(10,2), deptno int(2) not null); 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'); insert into emp values (7369,'SMITH','CLERK',7902,'93/6/13',800,0.00,20); insert into emp values (7499,'ALLEN','SALESMAN',7698,'98/8/15',1600,300,30); insert into emp values (7521,'WARD','SALESMAN',7698,'96/3/26',1250,500,30); insert into emp values (7566,'JONES','MANAGER',7839,'95/10/31',2975,null,20); insert into emp values (7698,'BLAKE','MANAGER',7839,'92/6/11',2850,null,30); insert into emp values (7782,'CLARK','MANAGER',7839,'93/5/14',2450,null,10); insert into emp values (7788,'SCOTT','ANALYST',7566,'96/3/5',3000,null,20); insert into emp values (7839,'KING','PRESIDENT',null,'90/6/9',5000,0,10); insert into emp values (7844,'TURNER','SALESMAN',7698,'95/6/4',1500,0,30); insert into emp values (7876,'ADAMS','CLERK',7788,'99/6/4',1100,null,20); insert into emp values (7900,'JAMES','CLERK',7698,'00/6/23',950,null,30); insert into emp values (7934,'MILLER','CLERK',7782,'00/1/21',1300,null,10); insert into emp values (7902,'FORD','ANALYST',7566,'97/12/5',3000,null,20); insert into emp values (7654,'MARTIN','SALESMAN',7698,'98/12/5',1250,1400,30); insert into salgrade values (1,700,1200);
- 2. insert into salgrade values (2,1201,1400); insert into salgrade values (3,1401,2000); insert into salgrade values (4,2001,3000); insert into salgrade values (5,3001,99999);