Functional Dependencies, Database Management System

Assignment Help:
What exactly is the concept of Functional Dependencies?
And how do we associate this concept with the logic of Super-keys, Candidate Keys, etc?

Given Relation R(A,B,C,D,E) with dependencies AB->C, CD->E, DE->B

Is AB a Candidate Key? OR is ABD a Candidate Key?

Related Discussions:- Functional Dependencies

Explain candidate key and super key, Explain Candidate Key and Super Key ...

Explain Candidate Key and Super Key A super key is a set of one or more than attributes that, taken collectively, permits us to identify uniquely a tuple in the relation. Wher

What are the two types of serializability, What are the two types of serial...

What are the two types of serializability? The two types of serializability is a)      Conflict serializability b)      View serializability

Explain current page table and shadow page table, Explain current page tabl...

Explain current page table and shadow page table. The key idea behind the shadow paging method is to maintain two page tables during the life of the transaction: the current pa

Student database, tell me the functionality,advantages and disadvantages of...

tell me the functionality,advantages and disadvantages of student database

What is the initial step for object-oriented designing, What is the initial...

What is the initial step for object-oriented designing The initial step for object-oriented designing is object modeling. Before we go into deep about object modeling first of

Assignment, how does Btree differ from a B+ - tree?

how does Btree differ from a B+ - tree?

Entity relationship model, Let us first look into some of the important fea...

Let us first look into some of the important features of ER model. Entity relationship model is a high-level conceptual data model. It permits us to define the data invo

Database, i would like to ask if you will do assignment of database number ...

i would like to ask if you will do assignment of database number of words 1500 and how much

Obtain the house numbers street wise from database, For the relations answe...

For the relations answer the following queries in SQL Street (name, location, city) House (number, street_name) Lives (name, house_number) (i) Obtain the names of persons who liv

Explain th process to avoid re-computation, Saving Derived Attributes to Av...

Saving Derived Attributes to Avoid Re-computation Data that is derived from other data should be stored in the computed form to avoid re-computation. For this, we could define

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