Establishes a savepoint within the current transaction.
SAVEPOINT [ savepoint-name ]
Establish a savepoint within the current transaction. The savepoint-name is an identifier that can be used in a RELEASE SAVEPOINT or ROLLBACK TO SAVEPOINT statement. All savepoints are automatically released when a transaction ends.
Savepoints that are established while a trigger or atomic compound statement is executing are automatically released when the atomic operation ends.
You cannot modify data in a proxy table from within a savepoint.
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The SAVEPOINT statement is part of optional ANSI/ISO SQL Language Feature T271, "Savepoints".
In Transact-SQL, creating a savepoint is accomplished with the SAVE TRANSACTION statement.