find a non-redundant cover and canonical cove, Database Management System

Given the following set of functional dependencies {cf→bg, gd, cdgf, bde, dc} defined on R(b,c,d,e,f,g)

a. Is cf→e implied by the FDs?

b. Is dg a superkey?

c. Is dg a candidate key?

d. Find a non-redundant cover.

e. Find a canonical cover.

f. What are the candidate keys?

 

Posted Date: 4/6/2013 3:05:49 AM | Location : United States







Related Discussions:- find a non-redundant cover and canonical cove, Assignment Help, Ask Question on find a non-redundant cover and canonical cove, Get Answer, Expert's Help, find a non-redundant cover and canonical cove Discussions

Write discussion on find a non-redundant cover and canonical cove
Your posts are moderated
Related Questions
Gyan Gurukul is a software company that provides software related solution. Ashutosh Dubey who is the director of Gyan Gurukul want a three-level schema architecture for the Gyan G



The domain that you will model in this assignment is that of courses and students at a university. So as not to make the task too large and unspecified, you will here get a descrip

The Internal or Physical Level The collection of files permanently stored on secondary storage devices is called as the physical database. The internal or physical level is t

After going by the database architecture, let us now dwell on an important query: how is the data organised in a database? There are a lot of basic structures that exist in a datab

Having clause This clause is used for producing conditions on grouped information. Example: Find maximum salary and department number of those departments where maxim

What is meant by software and hardware RAID systems? RAID can be executed with no change at the hardware level, using only software modification. Such RAID implementations are

What is the use of Union and intersection operation? Union: The result of this operation contains all tuples that are either in r1 or in r2 or in both r1 and r2.Duplicate tuple

What are the advantages of having an index structure?      Ans: The index structures commonly provide secondary access paths, which offer alternative ways of accessing the reco