describe the acid properties of DBMS code example
Example 1: acid properties in dbms
Atomicity
The entire transaction take place at once or doesn't happen at all.
Consistency
Database must be consistent before and after the transaction.
Isolation
Multiple transactions occur independently without interference.
Durability
The changes of the successful transaction occurs even if the system
failure occur.
Example 2: acid property db
A - Atomicity transactions either take place or they dont. ('all or nothing' property)
C - Consistency Db must be consistent before and after a transaction.
I - Isolation multiple transaction don't interfere with each other.
D - Durability changes survive eventual failures of the system.