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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Application Domain Indexes
Of all the specialized types of indexes discussed in this book, application domain indexes are the least known and the least used by most developers and DBAs. Application domain indexes let you create your own index structures in order to implement new index types that don't currently exist in the Oracle Database. A good example of an application domain index is the way Oracle Database itself implements text indexes, which are commonly used to facilitate searching on large text items. In order to create a text index, you include the indextype clause in a create index statement, as shown here:
SQL> create index test_idx2 on test_tab(desc)
2* indextype is ctxsys.context;
Index created.
SQL>
Once you create a text ...
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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.