An overview of administering file and personal geodatabases

An overview of administering file and personal geodatabases
Release 9.3

Although there is less administration involved in the use of a file or personal geodatabase, there are still some processes you perform to maintain them. Some of these processes, such as compacting and creating indexes, are needed to maintain performance. Others, such as compressing file geodatabase data, are optional.

The following lists the administration tasks you can perform on file and personal geodatabases:

Task	File geodatabase	Personal geodatabase
Compress data Compress vector data to a read-only format to reduce storage requirements.	Y	N
Compact geodatabase Tidy up storage of a geodatabase on disk by reordering records and eliminating unused space.	Y	Y
Create attribute indexes Create indexes to reduce attribute query processing times.	Y	Y
Set the spatial index Minimize spatial query processing times.	Y	Y (However, the spatial index grid size can only be set when a feature class is created.)
Upgrade Upgrade a previous version of a geodatabase to 9.2.	N (File geodatabases are new at ArcGIS 9.2, so upgrading is not yet needed.)	Y

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