What are ISOLATION LEVELS? Where do we need to specify them?
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Answer Posted / ashu
An isolation level determines how data is locked or
isolated from other processes while that data is being
accessed.It is page level locking.these can be specified in
4 ways-
1)cs(cursor stability):-
Used when concurrency is important.
2)RR(Repeatable read)
Used when Data Integrity is Important.
3)RS(Read stability)
4)UR(uncommited read)
Uncommited read or Dirty Read.
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