October 2013
Intermediate to advanced
580 pages
18h 5m
English
book
Pro Oracle SQL, Second Edition
by Karen Morton, Kerry Osborne, Robyn Sands, Riyaj Shamsudeen, Jared Still
Content preview from Pro Oracle SQL, Second Edition
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CHAPTER 14
Transaction Processing
After you use Oracle Database for a while, you might have certain expectations of how it behaves. When you enter a query, you expect a consistent result set to be returned. If you enter a SQL statement to update several hundred records and the update of one of those rows fails, you expect the entire update to fail and all rows to be returned to their prior state. If your update succeeds and you commit your work to the database, you expect your changes to become visible to other users and remain in the database, at least until the data are updated again by someone else. You expect that when you are reading data, ...
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