Question

2 phase locking vs 2 phase commit protocol?​

Answer 1

Answer:

from advance database

Explanation:

2 phase locking is a lock based protocol for allowing concurrent access of data items .

it has two stages

1. growing phase ,, take lock

2. shrinking phase ,, release lock

2 phase commit is based on distributive database to allow one transaction perform work with multiple fragmented database placed on different locations