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[Figure: Multi-database space components]
Format 3
This format combines the two previous formats, as shown in Figure: Mixed database space configuration. In this case,
infrequently used overflow parts are concentrated in a single database space.
[Figure: Mixed database space configuration]
4.3.2 Considerations when allocating space
In a storage structure where one DSO is divided into multiple DSIs, the user can maintain individual DSIs in parallel by
allocating database spaces on different hard disks for individual DSIs or DSI groups.
Also, if the number of hard disk units and the capacity permits, consider the following points. Take into account the
transitions required for reaccessing storage structure components:
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