Establishes a savepoint within the current transaction.
SAVEPOINT [ savepoint-name ]
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 is executing or while an atomic compound statement is executing are automatically released when the atomic operation ends.
SQL—Vendor extension to ISO/ANSI SQL grammar.
Sybase—Not supported in Adaptive Server Enterprise. To implement similar features in an Adaptive Server Enterprise-compatible manner, use nested transactions.
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