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Microsoft® SQL Server 2008 R2 Unleashed
book

Microsoft® SQL Server 2008 R2 Unleashed

by Ray Rankins, Paul Bertucci, Chris Gallelli, Alex T. Silverstein
September 2010
Intermediate to advanced content levelIntermediate to advanced
1704 pages
111h 8m
English
Sams
Content preview from Microsoft® SQL Server 2008 R2 Unleashed

Implicit Transactions

AutoCommit transactions and explicit user-defined transactions, which are the default transaction mode in SQL Server 2008, are not ANSI-92 SQL compliant. The ANSI-92 SQL standard states that any data retrieval or modification statement issued should implicitly begin a multistatement transaction that remains in effect until an explicit ROLLBACK or COMMIT statement is issued. Microsoft refers to this transation mode as IMPLICIT_TRANSACTIONS.

To enable implicit transactions for a connection in SQL Server 2008, you need to enable the IMPLICIT_TRANSACTIONS session setting using the following command:

SET IMPLICIT_TRANSACTIONS ON

After this option is turned on, transactions are implicitly started, if they are not already in progress, ...

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Publisher Resources

ISBN: 9780768696585Purchase book