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Oracle Database 10g: A Beginner's Guide by Michael Corey, Michael Abbey, Ian Abramson

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CRITICAL SKILL 9.7

Automatic Storage Management: Another Primer

In previous versions of Oracle and with most other databases, management of data files for large databases consumes a good portion of the DBA’s time and effort. The number of data files in large databases can easily be in the hundreds or even thousands. The DBA must coordinate and provide names for these files and then optimize the storage location of files on the disks. The new Automatic Storage Management (ASM feature in Oracle Database 10g Enterprise Edition addresses these issues.

ASM simplifies the management of disks and data files by creating logical groupings of disks into diskgroups. The DBA need only refer to the groups, not the underlying data files. Data files are automatically ...

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