The SQL Server SAVEPOINT are used to roll back transactions to a specified point without rolling back the entire transaction.
Syntax:
SAVE TRAN | TRANSACTION SAVE_POINT_NAME
Note : BEGIN TRAN, ROLLBACK TRAN, COMMIT TRAN
Let’s understand with an example:
Step 1: Sample data as below:

SQL Sample Data
Step 2: Delete two id’s from Students table using SAVEPOINT P1 & P2, write below queries & execute both together.
SAVE TRANSACTION P1 Delete FROM Students WHERE studentid=2 SAVE TRANSACTION P2 Delete FROM Students WHERE studentid=3

SAVE TRANSACTION
Step 3: Two rows deleted successfully, select Students table.

Select Statement
Step 4: ROLLBACK Transaction SAVEPOINT P2, execute below command and select Students table.
ROLLBACK TRAN P2
As you saw, StudentId 3 (Savepoint P2) has been rolled back successfully.
Step 5: Now, ROLLBACK Transaction SAVEPOINT P1, execute below command and select Students table.
ROLLBACK TRANSACTION P1
Now, StudentId 2(Savepoint P1) has been rolled back successfully.
Note :
In above example we used two savepoint together and after that we rolled back transaction P1 & P2 individually.
So in multiple savepoint case, if we direct rolled back first Savepoint, it rollback all transaction till first save point. That means second transaction automatically rolled back.
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