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ID 1001 1002 1003 1004 1005 1006 Employee Employee Name Salary ename Eman Ali Moosa innan Hessa Alaa Mariam m sal 550 600 900 300 600 800 Employee Phone Number empno 39999999 39999998 39999997 39999996 39999995 39999994 Emp job Developer CS HR Network Server SE Department number deptno 10 20 40 30 30 10 Department name dname IT Registration Admin Date of hiering hiredare 3/3/2000 3/4/2000 3/5/2000 Engineering 3/6/2000 Engineering 3/7/2000 IT 3/8/2000 From the above table, Answer the questions: Q1) Write a query that count the employees in each department? Q2) Write a query that retrieve all employees information who are in 'Hessa' department? Q3) Write a query that find the number of the employees in each department which salaries total greater than or equal the salaries total of department 30? Q4) Modify the information for the employee whose ID 1004, change the job to Writer? Q5) Delete the employees data who have same salary of the employee has ID is 1002? Q6) Write query that display ID, ename, sal, deptno, dname, hiredate for all employees.

ID 1001 1002 1003 1004 1005 1006 Employee Employee Name Salary ename Eman Ali Moosa innan Hessa Alaa Mariam m sal 550 600 900 300 600 800 Employee Phone Number empno 39999999 39999998 39999997 39999996 39999995 39999994 Emp job Developer CS HR Network Server SE Department number deptno 10 20 40 30 30 10 Department name dname IT Registration Admin Date of hiering hiredare 3/3/2000 3/4/2000 3/5/2000 Engineering 3/6/2000 Engineering 3/7/2000 IT 3/8/2000 From the above table, Answer the questions: Q1) Write a query that count the employees in each department? Q2) Write a query that retrieve all employees information who are in 'Hessa' department? Q3) Write a query that find the number of the employees in each department which salaries total greater than or equal the salaries total of department 30? Q4) Modify the information for the employee whose ID 1004, change the job to Writer? Q5) Delete the employees data who have same salary of the employee has ID is 1002? Q6) Write query that display ID, ename, sal, deptno, dname, hiredate for all employees.

Database Systems: Design, Implementation, & Management
Database Systems: Design, Implementation, & Management
11th Edition
ISBN:9781285196145
Author:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Publisher:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Chapter8: Advanced Sql
Section: Chapter Questions
Problem 20P
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Course: Database systems: design and application

Kindly answer Q3,5,6

Employee Employee Name Salary ID 1001 1002 1003 1004 1005 Alaa 1006 Mariam ename mmmm Eman Ali Moosa Hessa www sal 550 600 900 300 600 800 Employee Phone Number empno wwwwww 39999999 Emp job Developer CS 39999998 39999997 HR 39999996 Network 39999995 Server 39999994 SE Department number deptno 10 20 40 30 30 10 Department name dname IT Registration Admin Date of hiering hiredare 3/3/2000 3/4/2000 3/5/2000 Engineering 3/6/2000 Engineering 3/7/2000 IT 3/8/2000 From the above table, Answer the questions: Q1) Write a query that count the employees in each department? Q2) Write a query that retrieve all employees information who are in 'Hessa' department? Q3) Write a query that find the number of the employees in each department which salaries total greater than or equal the salaries total of department 30? Q4) Modify the information for the employee whose ID 1004, change the job to Writer? Q5) Delete the employees data who have same salary of the employee has ID is 1002? Q6) Write query that display ID, ename, sal, deptno, dname, hiredate for all employees.
Transcribed Image Text:Employee Employee Name Salary ID 1001 1002 1003 1004 1005 Alaa 1006 Mariam ename mmmm Eman Ali Moosa Hessa www sal 550 600 900 300 600 800 Employee Phone Number empno wwwwww 39999999 Emp job Developer CS 39999998 39999997 HR 39999996 Network 39999995 Server 39999994 SE Department number deptno 10 20 40 30 30 10 Department name dname IT Registration Admin Date of hiering hiredare 3/3/2000 3/4/2000 3/5/2000 Engineering 3/6/2000 Engineering 3/7/2000 IT 3/8/2000 From the above table, Answer the questions: Q1) Write a query that count the employees in each department? Q2) Write a query that retrieve all employees information who are in 'Hessa' department? Q3) Write a query that find the number of the employees in each department which salaries total greater than or equal the salaries total of department 30? Q4) Modify the information for the employee whose ID 1004, change the job to Writer? Q5) Delete the employees data who have same salary of the employee has ID is 1002? Q6) Write query that display ID, ename, sal, deptno, dname, hiredate for all employees.
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