1. Consider the following Employee table and express in Relational Algebra each of the questions below: Employee employeeNO JoiningDate 23-NOV-05 Designation Leader Engineer Developer Engineer Designer Salary DepartmentNO 101 4000 102 25-DEC-10 2000 2 103 15-JAN-11 1900 1 104 19-JAN-11 2200 2 105 06-FEB-11 1800 2. a. List the details of all the employees who are from the department number 2. b. List the details of all the employees who joined the company after 01-JAN-11. c. List employeeNO and DepartmentNO of all the employees who work as 'Engineer' and eam more than 1800 Omani Rials.

1. Consider the following Employee table and express in Relational Algebra each of the questions below: Employee employeeNO JoiningDate 23-NOV-05 Designation Leader Engineer Developer Engineer Designer Salary DepartmentNO 101 4000 102 25-DEC-10 2000 2 103 15-JAN-11 1900 1 104 19-JAN-11 2200 2 105 06-FEB-11 1800 2. a. List the details of all the employees who are from the department number 2. b. List the details of all the employees who joined the company after 01-JAN-11. c. List employeeNO and DepartmentNO of all the employees who work as 'Engineer' and eam more than 1800 Omani Rials.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

See similar textbooks

Similar questions

Find the minimum number of tables required to represent the following given ER diagram in relational model. b_city (b_name Ac_no Balance Assets Account branch Account Branch Depositor Loan branch Customer Borrower Loan c_city C_street Lno Amt C_name ID
QUESTION 17 Answer All the questions: Consider the below Student table and write the appropriate relational algebra query: SID SNAME SLNAME 1001 Mariam AI Alawi 1002 Sara 1003 Rahma Al Ruzaiqi 1004 Busma Al Mammari 23 1005 Salim AGE CID City CNAME ITDR2106 Introduction to Database Sur ITDR2104 Programming ITDR1101 Introduction to IT 20 Al Salti 22 Sohar 22 Muscat ITDR2104 Programming ITSW3101 App. Sw. Development Muscat Al Busaidi 24 Muscat Find the name of the students and the city name whose age is above 20 years and below 24 years?
StayWell also rents out properties on a weekly basis to students attending summer school in the Seattle area. Design a database to meet the following requirements, using the shorthand representation and a diagram of your choice. For each student renter, list his or her number, first name, middle initial, last name, address, city, state, postal code, telephone number, and e-mail address. For each property, list the office number, property address, city, state, postal code, square footage, number of bedrooms, number of floors, maximum number of persons that can sleep in the unit, and the base weekly rate. For each rental agreement, list the renter number, first name, middle initial, last name, address, city, state, postal code, telephone number, start date of the rental, end date of the rental, and the weekly rental amount. The rental period is one or more weeks.
Write the resulting relations based on the following ER diagram Like_Group N Customer N name N name address Group Like_Artist amoun t N name Classify Artist year N birthplace 1 title style age type Artwork N Paints price