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

Networking, what is Metropolitan area network?

what is Metropolitan area network?

Transmission media, TRANSMISSION MEDIA: When we speak of transmission ...

TRANSMISSION MEDIA: When we speak of transmission media, we usually mean a mix of physical lines ranging from wire pairs to cable, and over the air transmission media, such as

Accessing folders and printers, Accessing Folders and Printers Accessi...

Accessing Folders and Printers Accessing folders, files and printers of another computer is as easy as accessing another computer. To access folders and printers of another c

Project, My son has a project assignment he has problem with. The only thin...

My son has a project assignment he has problem with. The only thing is, it is due in 20 mins. can someone be able to help him? if so, how much is the fee?

Reasons for recommendation free and open source software, For multi-nationa...

For multi-national business IT system, free and open source software (FOSS) is recommended over a proprietary system. The reasons for this recommendation are: 1. Security I

Chat, Chat: The word chat in English language means - casual conversat...

Chat: The word chat in English language means - casual conversation. On Internet it means the same, except that you need to use text and your keyboard skills are tested. Earli

Computer Networking Scenario help, The project designs a school computer la...

The project designs a school computer lab with the necessary hardware and software components along with the IP address for different components. The computer lab consists of one I

In-door patient department, In-door Patient Department Ideally all ...

In-door Patient Department Ideally all features of OPD. Both OPD and IPD modules should be inter-linked. In addition all details pertaining to the patient's medica

REMOTE DESKTOP, I WANT TO CONNECT A PC WIYH MY PC THROUGH REMOTE DESKTOP. W...

I WANT TO CONNECT A PC WIYH MY PC THROUGH REMOTE DESKTOP. WHAT I DO TELL ME PLEASE

Digital wireless telephone networks, Mobile telephone networks started with...

Mobile telephone networks started with analog technology. Analog cellular networks were known as first generation (1G) networks. Such networks had limited capacity, and were subjec

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages