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Consider the following database schema and specify the following queries or views in SQL. EMPLOYEE(SSN, name, salary, DNo, SupervisorSSN) DEPARTMENT (DNo, DeptName, MgrSSN) PROJECT(PNo, location, ProjName) WORKON (SSN, PNo, hours) Find the SSN and name of the employee who works on more than two projects. For each project, retrieve the PNo, ProjName, and the number of employees from 'Research' department who work on the project. Create a view called 'DEPT_INFO' that has the department name, the number of employees, and the total salary of the employees of the department.

Consider the following database schema and specify the following queries or views in SQL. EMPLOYEE(SSN, name, salary, DNo, SupervisorSSN) DEPARTMENT (DNo, DeptName, MgrSSN) PROJECT(PNo, location, ProjName) WORKON (SSN, PNo, hours) Find the SSN and name of the employee who works on more than two projects. For each project, retrieve the PNo, ProjName, and the number of employees from 'Research' department who work on the project. Create a view called 'DEPT_INFO' that has the department name, the number of employees, and the total salary of the employees of the department.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Consider the following database schema and specify the following queries or views in SQL. EMPLOYEE(SSN, name, salary, DNo, SupervisorSSN) DEPARTMENT (DNo, DeptName, MgrSSN) PROJECT(PNo, location, ProjName) WORKON (SSN, PNo, hours) Find the SSN and name of the employee who works on more than two projects. For each project, retrieve the PNo, ProjName, and the number of employees from 'Research' department who work on the project. Create a view called 'DEPT_INFO' that has the department name, the number of employees, and the total salary of the employees of the department.
Transcribed Image Text:Consider the following database schema and specify the following queries or views in SQL. EMPLOYEE(SSN, name, salary, DNo, SupervisorSSN) DEPARTMENT (DNo, DeptName, MgrSSN) PROJECT(PNo, location, ProjName) WORKON (SSN, PNo, hours) Find the SSN and name of the employee who works on more than two projects. For each project, retrieve the PNo, ProjName, and the number of employees from 'Research' department who work on the project. Create a view called 'DEPT_INFO' that has the department name, the number of employees, and the total salary of the employees of the department.
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