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

Disadvantages of manual records, Disadvantages of Manual Records ...

Disadvantages of Manual Records More manpower is required to record/storelretrieve the data. Bulky paper records take up more space and this problem increases with

Explain web cache, To satisfy client needs through proxy server and not thr...

To satisfy client needs through proxy server and not through main server, as some other user have already accessed that file and its copied to the proxy server, so next time a user

Read only memory (rom), Read only memory (rom): The problem with RAM is...

Read only memory (rom): The problem with RAM is that its memory is volatile, i.e. it loses all its data when the power supply is removed. A non-volatile memory is a permanent

Processor, The role of array processor

The role of array processor

C programming program, I wrote a program that adds up 5x5 matrices by colum...

I wrote a program that adds up 5x5 matrices by column and row. Now i have to use pointers to rewrite the same code how would do that

Types of computer, types of computer on the basis of shape, size & resource...

types of computer on the basis of shape, size & resources

Cryptography, Assume |s1|=|s2|=n and consider the functions defined, for an...

Assume |s1|=|s2|=n and consider the functions defined, for any s1 and s2, as: (a) G1(s1,s2)=s1 xor s2, (b) G2(s1,s2)=(s1, s2, s1 xor s2). We have that: A. G1 and G2 are pseudo-ra

C, board coloring

board coloring

Create a queue, QUESTION (a) Give the representation of a queue as an a...

QUESTION (a) Give the representation of a queue as an abstract data type. (b) What is a priority queue? Give two types of priority queues. (c) The following program does

Assembly language, Questions 1) Polynomial Integrals Problem: Write an X86-...

Questions 1) Polynomial Integrals Problem: Write an X86-series assembly language program that calculates and prints out (in a nice form) the indefinite integral of a simple polynom

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