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

Unix, How do I change file permissions? Every time I execute chmod commands...

How do I change file permissions? Every time I execute chmod commands it tells me permission denied.

Networking.., write advantages and disadvantages of private and public netw...

write advantages and disadvantages of private and public network

Amendments in erp, What is new? ERP, on the other hand begins with a fr...

What is new? ERP, on the other hand begins with a fresh relook at the existing business. In fact it is the result of a happy marriage between Business Process Reengineering (BP

Computer science, You recently returned some homework I completed but i lef...

You recently returned some homework I completed but i left of the final 10 questions. Should not take long just needs some commands interpreted. How much will it cost for me to get

About the faculty posts, is there any oppurtunity for a mca to teach mcasub...

is there any oppurtunity for a mca to teach mcasubjects online

Computer science, Explain Canonical cover and Extraneous Attributes with ex...

Explain Canonical cover and Extraneous Attributes with examples.

What are the goals of wap architecture, Question 1 Explain the naming conv...

Question 1 Explain the naming conventions of functions in WML scripts and also explain characteristics of functions in WML Question 2 What is WML input field? Explain WML

Operating system services, Operating system services: In this section ...

Operating system services: In this section we consider basic services supported by an operating system. There are many building blocks to be considered, not all of which will

Why is the atm selected as a transport network in 3g, Why is the ATM select...

Why is the ATM selected as a transport network in 3G? Answer: ATM provides efficient support for transmission of voice, data, and video ATM provides QoS guarantee and reliability

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