Answer Posted / kushal samanta
Question :-> What is ACID property ?
Ans:->
ACID PROPOTIES;-
ACID STANDS FOR-
1)ATOMICITY
2)CONSISTENCY
3)ISOLATION
4)DURABILITY
BEFORE GOING TO ACID PROPOTIES WE MUST KNOW ABOUT
TRANSACTION-
A LOGICAL UNIT OF A WORK IS KNOWN AS TRANSACTION.
WHEN WE TRANSFER ANY DATA FROM ONE PLACE TO ANOTHER PLACE
AT A INTERMIDIATARY STATE IT MAY FAILUARE ,WHICH DATA WE
SEND THAT DATA MAY LOOSE FOR EVER.SO TO AVOID THAT PROBLEM
ACID PROPOTIES IS NEEDED,In computer science, ACID
(atomicity, consistency, isolation, durability) is a set of
properties that guarantee that database transactions are
processed reliably.
ATOMICITY-;IT MEANS ALL OR NOTHING,ALL THE TRANSACTION
PROCESSING MUST BE PERFORMED,OTHERWISE IT WILL NOT
PERFORM.NEVER IT STAY IN INTERMEDIATARY STATE.
CONSISTENCY;-IT MEANS A VALID DATA SHOULD INPUT,IF WE DONOT
INPUT PROPER INPUT THEN WE WILL FIND WRONG OUTPUT.
ISOLATION;- NO'S OF DEVICE WANT TO ACCESS ON SAME DATA,IT
IS IMPOSSIBLE TO ACCESS ON SAME DATA,BY ISOLATION0, IT
DECIDE WHICH DEVICE ACCESS THAT DATA,AT THAT TIME ANOTHER
DEVICES MUST STILL IN THEIR CRITICAL SECTION.
DURABILITY-;WHEN WE PROCESS SOMETHING ,IF THAT TIME POWER
FAILURE THEN ALL DATA WILL BE LOST,SO WE NEED TO RECOVER
THAT DATA.THERE IS TRANSACTION LOG TABLE WHICH DECIDES WHAT
TRANSACTION DONE ON WHICH DATA.OTHERWISE IT IS CALLED
RECOVERY OF DATABASE.
Is This Answer Correct ? | 8 Yes | 8 No |
Post New Answer View All Answers
Are the chemical properties of lithium a metal metalloid or a nonmetal?
What is the full form of hcl?
How to send 10,000 mail?
Why acetic has less conductivity than hcl?
If you had a choice debugging deadlock problem or a livelock Problem, which would you choose? Why ? How would you proceed?
What are substrates?
The use of electricity to decompose molten sodium chloride into its component elements is an example of?
The risks while testing client - server application?
What is the product of hcl zn?
Is benzene an element or a compound?
What is the difference between the law of multiple proportions and the law of definite proportions?
How does spontaneous combustion occur?
What are 5 common uses of nitrogen?
What is the molar mass of chlorine?
Give full information about infrared technology, like applications, advantages, disadvantages?