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

Simplified expression, what is the logic diagram for the Boolean expression...

what is the logic diagram for the Boolean expression x''y + xy'' + xz

Access database, 1.Add a Validation Rule for Date of Birth so no one under ...

1.Add a Validation Rule for Date of Birth so no one under the age of 18 can be added to the table. Hint: subtract the DOB from today''s date and divide by 365.25 (watch the parenth

Explain process creation and process termination, Question 1 Explain diffe...

Question 1 Explain different functions of an operating system. Explain the evolution of operating systems Question 2 Explain process creation and process termination Ques

Jsp project, how to save a Vector theList to a .txt file and read that .t...

how to save a Vector theList to a .txt file and read that .txt file to a jsp page /??

Theory of computation, I define a restricted form of TMs M as follows. Give...

I define a restricted form of TMs M as follows. Given any input x on the tape of M, the initial portion of the tape that holds x is read-only and one-way. That is, M cannot write o

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

Software engineering, what is compose design pattern?

what is compose design pattern?

Overview of a computer system, Overview of a Computer System The...

Overview of a Computer System There are three major elements in every computer solution. They are: Data Hardware Software Hardware + Softwa

Wap and wml, what is charactersics of mobile computing

what is charactersics of mobile computing

C, board coloring

board coloring

Write Your Message!

Name

Email id

Message

Verfication Code

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!

Submit Assignment

User Account

All Pages