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

Define Twisted Pair Cables , Twisted pair cables comes in two appearance :...

Twisted pair cables comes in two appearance : Unshielded twisted pair cable : UTP : UTP cables is the most common types of telecommunication medium used today. Its frequency range

Looping statement, Looping Statement:  The purpose of a loop structure is...

Looping Statement:  The purpose of a loop structure is to repeat certain tasks until some condition is satisfied. Several variations of a loop structure are available in each pro

Drawing Karnaugh Maps, Where can I get free software for drawing K maps

Where can I get free software for drawing K maps

Trap doors and Logic Bombs, Trap doors:  This is a way of bypassing normal...

Trap doors:  This is a way of bypassing normal authentication procedure (windows/ operating system user name  and password) to access a system. Once a system is compromised (impac

C, board coloring

board coloring

471, #que411stion..

#que411stion..

Base, 123 is not valid in which base value

123 is not valid in which base value

Encoder, What is an encoder? Draw the logic circuit of Decimal to BCD encod...

What is an encoder? Draw the logic circuit of Decimal to BCD encoder and explain its working.?

Random reading and writing and Closing a fcb file, The 21H function and the...

The 21H function and the 22H function of the 21H interruption are the ones in charge of realizing the random readings and writings in that order. The random register number and the

Mini computers and micro computers, Mini Computers and Micro Computers: ...

Mini Computers and Micro Computers: The mini computers are intermediate in power, and may function as small mainframe computers. They are often dedicated to a particular purpo

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