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 DatabaseBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Summary
B-tree indexes are the default index type used in Oracle databases. For most applications, B-tree indexes are sufficient. With high cardinality columns, a B-tree index will usually provide considerable performance benefits.
When creating an index, we recommend that you place the index in a tablespace separate from its corresponding table. This allows you more options for storage management and backup and recovery. This isn't a hard-and-fast rule, but rather a guideline to help with maintenance and manageability.
B-tree indexes are closely associated with primary key and unique key constraints. Oracle will automatically create a B-tree index for you when the primary key or unique key constraint is created. When an index is automatically ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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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.