whar are savepoint in a transaction

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Nagendran
whar are savepoint in a transaction
2 Answer(s)      5 years and 6 months ago
Posted in : JDBC

whar are savepoint in a transaction

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May 9, 2012 at 5:25 PM


Transaction control involves committing and roll backing transactions and setting Isolation level for transactions.

1) Setting the Isolation level: Using the Connection.setTransactionIsolation(int level) method isolation level can be set in JDBC. the method can accept any of the arguments listed below.

TRANSACTION_NONE
TRANSACTION_READ_COMMITTED
TRANSACTION_SERIALIZABLE
TRANSACTION_READ_UNCOMMITTED
TRANSACTION_REPEATABLE_READ

2) Committing or rolling back: To commit or roll back transactions explicitly, use the commit or rollback methods.



May 9, 2012 at 5:27 PM


Save point is the point to which we can undo the unsaved data. Applications can set a savepoint within a transaction and then roll back all work done after the savepoint. A save point is created using the method Connection.setSavePoint(). To rollback to the save point use Connection.rollback(Savepoint svpt).


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