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Titlebook: Expert Oracle Database Architecture; Oracle Database 9i, Thomas Kyte,Jonathan Gennick,Clay Andres,Sharon Te Book 2010Latest edition Thomas

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21#
發(fā)表于 2025-3-25 05:34:26 | 只看該作者
22#
發(fā)表于 2025-3-25 10:45:10 | 只看該作者
23#
發(fā)表于 2025-3-25 12:16:03 | 只看該作者
24#
發(fā)表于 2025-3-25 19:01:43 | 只看該作者
https://doi.org/10.1007/978-1-349-21525-6nd archived) redo log files in order to “replay” your transaction in the event of a failure. . is the information Oracle records in the undo segments in order to reverse, or roll back, your transaction.
25#
發(fā)表于 2025-3-25 21:29:01 | 只看該作者
26#
發(fā)表于 2025-3-26 02:48:39 | 只看該作者
,Revolutionary Fashion (1965–1975),store your data in—will have repercussions on your applications and data for years to come. Thus, choosing the appropriate datatype is paramount. It is also hard to change after the fact—in other words, once you implement it, you might be stuck with it for quite a while.
27#
發(fā)表于 2025-3-26 04:22:15 | 只看該作者
28#
發(fā)表于 2025-3-26 11:52:21 | 只看該作者
Redo and Undo,nd archived) redo log files in order to “replay” your transaction in the event of a failure. . is the information Oracle records in the undo segments in order to reverse, or roll back, your transaction.
29#
發(fā)表于 2025-3-26 14:20:43 | 只看該作者
Indexes,es, and deletes) will suffer. Too few indexes and the performance of DML (including select, inserts, updates, and deletes) will suffer. Finding the right mix is critical to your application’s performance.
30#
發(fā)表于 2025-3-26 19:49:58 | 只看該作者
Datatypes,store your data in—will have repercussions on your applications and data for years to come. Thus, choosing the appropriate datatype is paramount. It is also hard to change after the fact—in other words, once you implement it, you might be stuck with it for quite a while.
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