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You want to ensure the following:
1) Data read by any statement in the transaction must be transactionally consistent with how that data existed at the start of the transaction.
2) Other transactions should be able to write data to rows selected by the transaction even when the transaction has yet to commit.
Which of the following Transact-SQL statements can you use to accomplish this task ?
on 6/30/2013 | Category:
Sql Server Interview questions
| Views: 1467 |
Select from following answers:
SET TRANSACTION ISOLATION LEVEL SNAPSHOT
SET TRANSACTION ISOLATION LEVEL SERIALIZABLE
SET TRANSACTION ISOLATION LEVEL REPEATABLE READ
using SET TRANSACTION ISOLATION LEVEL SNAPSHOT statement you can ensure that data read by any statement in a transaction will be transactionally consistent with how that data existed at the start of the transaction. SNAPSHOT transactions do not block other transactions from writing data.
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