What is boyce codd normal form, Computer Engineering

Assignment Help:

A relation schema R is in BCNF with respect to a set F of functional dependencies if for all functional dependencies in F+ of the form a->b, where a and b is a subset of R, at least one of the following holds:

* a->b is a trivial functional dependency (b is a subset of a)

* a is a superkey for schema R   

 

 


Related Discussions:- What is boyce codd normal form

What are the types of electronic payment system, What are the types of elec...

What are the types of electronic payment system? Types of the electronic payment system are as given below: The most Internet payment way for Business to Customer is credit

Definition of a micro controllers, Before we take a detailed look about the...

Before we take a detailed look about the Motorola 68HC11 series of micro controllers it is useful to define what is meant by a micro controller. As the name suggests a micro contro

We cannot use append structures why, If a table that is to be extended cont...

If a table that is to be extended contains a long field, we cannot use append structures why? Long fields in a table must always be located in the last, as the last field of th

Explain physical characteristics of magnetic disk, Q. Explain Physical Char...

Q. Explain Physical Characteristics of magnetic disk? Figure below lists main features that differentiate among different types of magnetic disks. First head may either be fixe

Explain the term - restating the requirements, Restating the Requirements ...

Restating the Requirements To have clarity of analytical model of system you must state requirements specific performance constraints with optimization criteria in one documen

What is write miss, What is write miss? During the write operation if t...

What is write miss? During the write operation if the addressed word is not in cache then said to be write miss.

Explain the real time system, What is real time system? A real time sys...

What is real time system? A real time system has well explained, fixed time constraints. Processing must be done within the explained constraints, or the system will fail. It i

Explain bottom up parsing, Explain Bottom up parsing. Bottom up pars...

Explain Bottom up parsing. Bottom up parsing: This parse attempts to increase syntax tree for an input string by a sequence of reduction. If the input string can be decreas

Illustrate lcd technology, Q. Illustrate LCD Technology? The technology...

Q. Illustrate LCD Technology? The technology behind LCD is known as Nematic Technology since the molecules of liquid crystals used are nematic which implies that rod-shaped. Th

Which is the slowest sorting procedure, The slowest sorting procedure is   ...

The slowest sorting procedure is    Bubble Sort is the slowest sorting process.

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