Identify the candidate keys, Database Management System

Assignment Help:

Consider the following six relation schemes and their corresponding sets of functional dependencies. In each case identify

a. All the candidate keys

b. The highest normal form of the relation (2NF, 3NF, BCNF).

R1 (W, X, Y, Z) XY→Z, YW

R2 (K,L,M,N) KL→N, KM

R3 (P,Q,R,S) P→Q, QR, RS

R4 (T,U,V) T→U, UT, TV

R5 (W,X,Y,Z) Z→W, YZW, WYXZ

R6 (A,B,C,D) AB→D, AC→D

 


Related Discussions:- Identify the candidate keys

What are the benefits of ooa technology, What are the benefits of OOA techn...

What are the benefits of OOA technology? Using OOA technology can produce many benefits, such as:  i) Reusability of code  ii) Productivity is gained through direct mappi

Develop c# schoolproject asap, Develop C# schoolproject ASAP Helping me ...

Develop C# schoolproject ASAP Helping me with schoolproject. The project is prepared in C# and haves a database connection. We have some small issues asking up data from t

What is online transaction processing, What is OLTP (Online Transaction Pro...

What is OLTP (Online Transaction Processing)? In OLTP - online transaction processing systems relational database design use the discipline of data modeling and generally follo

ER diagram, #question. acompani datdbase needs to store information about e...

#question. acompani datdbase needs to store information about employees (identified by a social security number,with salary and phone as attributes) and departments (identified by

Explain data sublangauges, Explain Data Sublangauges ? Data sublanguage...

Explain Data Sublangauges ? Data sublanguage: In relational database theory, the term sublanguage, first used for this purpose through E. F. Codd in the year of 1970, refers t

What is horizontal fragmentation, What is horizontal fragmentation? Hor...

What is horizontal fragmentation? Horizontal fragmentation divides the relation by assuming every tuple of r to one or more fragments

Differentiate between logical database design and physical, Differentiate b...

Differentiate between logical database design and physical database design. Show how this separation leads to data independence? Basis Logical Databas

Explain er relationship model, Explain ER Relationship model? An entity...

Explain ER Relationship model? An entity-relationship model (ERM): An entity-relationship model (ERM) is an abstract theoretical illustration of structured data. Entity-relatio

Managing Data in Databases, Answer SQL Queries to extract data from data ta...

Answer SQL Queries to extract data from data tables and questions on mapping conceptual data models into relational data model.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd