Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask DBMS Expert


Home >> DBMS

problem: For the given relational schema:

Employee(EmpId, EmpName, Street, City)
Works(EmpId, CompId, Salary)
Company(CompId, CompName, City)

A) prepare down an SQL DDL definition of the database.

B) prepare down an expression in the SQL for each of the given queries.

i) Find out the names of employees whose salary is greater than the average salary of all the employees of their company.

ii) Find out the names of companies which consist of the biggest number of employees.

iii) Find out the names of employees whose salary is greater than that of every employee of company named ‘ABCD’.

iv) Find out the names of companies situated in the city in which company ‘ABCD’ is situated.

v) prepare down all employees a 20 percent rise in salary whose city is differs from the city they work in.

vi) Delete the company which is paying the lowest salary to an employee. 

DBMS, Programming

  • Category:- DBMS
  • Reference No.:- M911988

Have any Question? 


Related Questions in DBMS

Database management assignmentyou have been hired by

Database Management Assignment You have been hired by National Bank as their new database administrator. Your first task is to upgrade the bank's outdated computer system and implement a relational database management sy ...

1 how are qbe tools and sql similar2 how are they

1. How are QBE tools and SQL similar? 2. How are they different? 3. What is a data warehouse? 4. How does it differ from a database?

Projectinstructionsfor the purpose of grading the project

Project Instructions: For the purpose of grading the project you are required to perform the following tasks: Instructions 1 Open the start file Day Spa that you recently downloaded then Save the workbook as Lastname_Fir ...

Enterprisebim projectgoal - to enable students to

Enterprise/BIM Project Goal - To enable students to experience the process of building a non-trivial database-backed web application. Tasks 1. Choose any area that interests you - this does not necessarily have to be abo ...

Assignmentas the new manager of a convenience store you

Assignment As the new manager of a convenience store, you have noticed issues with the manual method of tracking sales using paper sales tickets and spreadsheets, as well as, shortages on some of the more popular items c ...

Some people used to believe that data warehouses would

Some people used to believe that data warehouses would quickly replace databases for both online transaction processing (OLTP) and online analytical processing (OLAP). Of course, they were wrong. Why can data warehouses ...

Create a data definition class to model one product sold at

Create a data definition class to model one product sold at a bakery. The product will have a description, cost, and quantity in stock. Instance methods include: accessors for each instance variable, non-validating mutat ...

Taskoverview of business casealive amp boating aampb is a

Task Overview of business case: Alive & Boating (A&B) is a small start-up company that sells small boats in Wagga. A&B keeps its models in several showrooms across the city. At this stage customers cannot view the availa ...

Assignmentas the new manager of a convenience store you

Assignment As the new manager of a convenience store, you have noticed issues with the manual method of tracking sales using paper sales tickets and spreadsheets, as well as, shortages on some of the more popular items c ...

Mis 204 hands-on activityaccess - forms and

MIS 204 Hands-On Activity: Access - Forms and Reports Introduction In this assignment you will learn how to create forms and reports to access and analyze your data. Forms are useful for data entry and navigation. Report ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen