Consider the following primary key underlined project (PNO, P Name, Duration, Cost) Staff (SNO, SName) Assigned to (PNG, SNO) write The relational algebra for the following 1. Find the project Names of projects assigned to Ahmed. 2. find project mames of projects not assigned to any Staff 3. find names of employee working on all projects. DR. 3622

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
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Consider the following primary key underlined
project (PNO PName, Duration, Cost)
Staff (SNO, SName)
Assigned to (PNG, SNO)
write The relational algebra for the following
1. Find the project
Names of projects assigned to Ahmed.
2. find project mames of projects not assigned to any Staff
3. find names of employee working on all projects.
4. Find numbers of Staff members who do not work on project number DB 2022
least all of the projects that
5. Find The Staff members who work on at
Staff 107 works on.
Transcribed Image Text:Consider the following primary key underlined project (PNO PName, Duration, Cost) Staff (SNO, SName) Assigned to (PNG, SNO) write The relational algebra for the following 1. Find the project Names of projects assigned to Ahmed. 2. find project mames of projects not assigned to any Staff 3. find names of employee working on all projects. 4. Find numbers of Staff members who do not work on project number DB 2022 least all of the projects that 5. Find The Staff members who work on at Staff 107 works on.
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