Consistency or data in dbms, computer science, Basic Computer Science

Assignment Help:

Consistency or data in DBMS

Consistency - data in DBMS(Database) is accurate in modeling real world, follows integrity constraints
User may ensure transaction consistent by itself
If DBMS is consistent before transaction then it will be after also.

System checks ICs & if they fail, the transaction rolls back (example is aborted).
DBMS enforces some Ics or depending on the ICs declared in CREATE TABLE statements.
DBMS does not understand the semantics of the data.

Related Discussions:- Consistency or data in dbms, computer science

Read world population data file. store the values in multipl, Read World Po...

Read World Population Data File. Store the values in multiple vectors. Sort them by most populated region and output the results ext file is here : please">http://www.csupomona.

What is the basic model of cpu structure?, As there are many variations i...

As there are many variations in architecture between the different kinds of CPU, we shall begin my looking at an easy model of the structure. The basic model consists of five part

Explain popular way commonly used to evaluate interfaces, Question: Usi...

Question: Using a questionnaire is a popular way commonly used to evaluate interfaces. (a) Describe advantages of using questionnaires as a means to evaluate interfaces.

Digital transmission, Digital Transmission: In digital transmission, w...

Digital Transmission: In digital transmission, wave patterns are translated into discrete bits and are separated by intervals. Bits (contraction for binary digits) are the sma

EM202073PRA65DBMS, HEY, i wanna discuss about DBMS assignment Did you find...

HEY, i wanna discuss about DBMS assignment Did you find a link of mySQL?

What is microcontroller?, Microcontroller: A highly integrated microprocess...

Microcontroller: A highly integrated microprocessor designed specifically for use in embedded systems. Microcontrollers typically includes an integrated CPU, memory (a small amount

Computer Networking and configuaration, Ask queYou are hired as a Chief Tec...

Ask queYou are hired as a Chief Technology Officer (CTO) of a startup company, which has two branches; one Los Angeles and one in San Francisco. The company hired employees to begi

ICT IN BUSINESS, Explain how ICT can be used for achievement of each of the...

Explain how ICT can be used for achievement of each of the following business objectives, illustrating your answer with examples: 1. Customer intimacy 2. Low-cost leadership

Control unit of the processor, Control Unit of the processor: The Con...

Control Unit of the processor: The Control Unit of the processor is that unit which controls and coordinates the execution of instructions by the processor. It is responsibl

Exploitation of parallelism, Exploitation of Parallelism Similar calcul...

Exploitation of Parallelism Similar calculations have of course been a subject of dynamic research in computer technology for the past several years. Whereas parallelism within

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages