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

What features should the hospital software contain?, What Features Should t...

What Features Should the Software Contain? Although the needs of every nursing department, hospital, pharmacy, would vary, certain common features are desirable in the software

Memory of computer, Memory : Computers store information internally as wel...

Memory : Computers store information internally as well as externally. Linked to CPU is an internal memory unit where all the instructions and data are stored. It contains the

The central processing unit (cpu), THE CENTRAL PROCESSING UNIT (CPU): T...

THE CENTRAL PROCESSING UNIT (CPU): The CPU is the heart of any computing system.  It executes the individual machine instructions, which make up a program. The CPU is formed fr

Operating system (o.s), Operating System (O.S) An operating syst...

Operating System (O.S) An operating system is the complete set of programs written to utilize the computer resources in an optimal manner. The operating system supervise

Kids, how do you let kids learn on it

how do you let kids learn on it

What is the benefit of Threads?, Following are some causes why we use threa...

Following are some causes why we use threads in designing operating systems. A process with several threads makes a great server for instance printer server. For the reason that t

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

Computer files, criteria for classifying computer files

criteria for classifying computer files

Languages, Languages The language is a program containing rules and...

Languages The language is a program containing rules and guidelines to help us in making programs. There are various languages like C, Basic, COBOL, PASCAL, FORTRAN etc. Th

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