December 2011
Intermediate to advanced
269 pages
7h 26m
English
book
Expert Indexing in Oracle Database 11g: Maximum Performance for Your Database
by Darl Kuhn, Sam R. Alapati, Bill Padfield
Content preview from Expert Indexing in Oracle Database 11g: Maximum Performance for Your Database
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CHAPTER 8
Maintaining Indexes
Maintaining indexes is always a big part of an Oracle DBA's workload. There are many aspects to maintaining indexes, and often there are multiple ways to achieve the same goals. This chapter explains several key aspects of index maintenance to help you improve the performance of your indexes and to efficiently manage index space usage.
Collecting optimal index statistics is, of course, a crucial part of index maintenance and so we start with the collection of index statistics. The database sometimes makes an index unusable, following certain index maintenance operations or some error conditions. The chapter explains ...
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