What is a transaction in DBMS?
The important properties of a database : ACID properties
The database transactions are all atomic which means that either all the transaction series occurs or none occurs at all.
The transactions will transform the correct database state into other state without essentially conserving correctness at intermediate points.
All the transactions are completely isolated from each other.
Even there are multiple transactions that run concurrently, the transaction update of any particular transaction could be kept isolated (concealed) from the rest until this particular transaction get committed.
Once the transaction gets committed, the updates yet remain in the database even after a system failure or a system crash.
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