Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Q3 Consider the following query, Eliminate Redundancy from to it using idempotency rules (4). = SELECT Number FROM EMPLOYEETABLE WHERE TITLE = Programmer AND NOT(ProjectNumber=C1

image text in transcribed

Q3 Consider the following query, Eliminate Redundancy from to it using idempotency rules (4). = SELECT Number FROM EMPLOYEETABLE WHERE TITLE = "Programmer" AND NOT(ProjectNumber="C1" OR ALLOCATION_NO=12) AND Project Number != "C1" AND ALLOCATION_NO=12 Note: You can take help from 226 and 227 page of the book Principles of Distributed Database Systems, Third Edition for solving the question no 3 Idempotency rules: 1. 2. pV p op 3. pAtrue Ap 4. pv false op 5. p^ false false 6. pVtrue true 7. p1 -pfalse 8. PV -p true 9. p1 (p1 V p2) + p1 10. p1 V(p1 ^ p2) p1

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Graph Databases

Authors: Ian Robinson, Jim Webber, Emil Eifrem

1st Edition

1449356265, 978-1449356262

More Books

Students also viewed these Databases questions

Question

1. Make sure you can defend the grade in the first place.

Answered: 1 week ago