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

ASP.net, educational website project

educational website project

Ascii & unicode, ASCII code:  An alphanumeric code has to represent 10...

ASCII code:  An alphanumeric code has to represent 10 decimal digits, 26 alphabets and certain other symbols such as punctuation marks and special characters. Therefore, a min

Explain what is rmi, QUESTION (a) Explain what is RMI? (b) Draw a di...

QUESTION (a) Explain what is RMI? (b) Draw a diagram showing the different parts of the Java RMI architecture. (c) What is the function of the RMI security manager and RM

Memory access, Memory access: The use of semi-conductor memory elements...

Memory access: The use of semi-conductor memory elements (bistables) has been made possible by the use of large scale integrated circuits (LSI) which provide reliability, ease

Define procedure of Building Assembler programs, In order to be able to mak...

In order to be able to make a program, quite a lot of tools are needed: Earliest an editor is used to create the source program. Next a compiler, which is nothing more than a progr

Ida* search-artificial intelligence, IDA* Search-Artificial intelligence: ...

IDA* Search-Artificial intelligence: A* search is a sophisticated and successful search strategy. yet, a problem with A* search is that it might  keep every states in its memor

Syntax of a Macro, The divisions which make a macro are: • Declaration of t...

The divisions which make a macro are: • Declaration of the macro Code of the macro Macro termination directive The assertion of the macro is done the following way: Name Macro [par

Data mining, Process of Data mining Data mining is an iterative process t...

Process of Data mining Data mining is an iterative process that typically involves the following phases: Problem definition A data mining project starts with the understanding o

#title, what is HMtl stands for, meaning and purpose

what is HMtl stands for, meaning and purpose

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