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

COMPUTER ORGANIZATION, Ask questio2. Define interrupt n #Minimum 100 words ...

Ask questio2. Define interrupt n #Minimum 100 words accepted#

Cai, What is CAI? Explain its pitfalls.

What is CAI? Explain its pitfalls.

Star topology, Ask conceptual question answer about star topology#Minimum 1...

Ask conceptual question answer about star topology#Minimum 100 words accepted#

Erp components, What constitutes ERP? ERP typically comprises a client ...

What constitutes ERP? ERP typically comprises a client server architecture, fourth generation language, RDBMS and graphical user interface in an open systems environment. It

Why assembly language is good?, Because it is enormously low level, assembl...

Because it is enormously low level, assembly language can be optimized enormously well. Therefore assembly language is used where the extreme performance is needed for applications

Data buses, Data buses: The availability of reliable digital semi-condu...

Data buses: The availability of reliable digital semi-conductor technology has enabled the inter-communication task between different equipment to be significantly improved. P

What are the commonly used input/output functions in c, Problem 1 What ...

Problem 1 What is the significance of the keyword 'extern' in a function declaration? Explanation of significance of Keyword 'extern' in function declaration Probl

CAI, what is CAI? explain its pit falls.

what is CAI? explain its pit falls.

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