September 2010
Intermediate to advanced
1704 pages
111h 8m
English
book
Microsoft® SQL Server 2008 R2 Unleashed
by Ray Rankins, Paul Bertucci, Chris Gallelli, Alex T. Silverstein
Content preview from Microsoft® SQL Server 2008 R2 Unleashed
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Defining Transactions
You can carry out transaction processing with Microsoft SQL Server in three ways:
• AutoCommit—Every T-SQL statement is its own transaction and automatically commits when it finishes. This is the default mode in which SQL Server operates.
• Explicit—This approach provides programmatic control of the transaction, using the BEGIN TRAN and COMMIT/ROLLBACK TRAN/WORK commands.
• Implicit—In this mode, when you issue certain SQL commands, SQL Server automatically starts a transaction. You must finish the transaction by explicitly issuing the COMMIT/ROLLBACK TRAN/WORK commands.
Each of these methods is discussed in the following sections.
Note
The terms for explicit and implicit transactions can be somewhat confusing. The way ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.