HP NonStop G-Series - Manual (Page 228)

NonStop dba/m Database Manager for NonStop SQL/MP User’s Guide 522632-005 16-1
CHAPTER 16. MANAGING INDEX
PARTITIONS
A partition is a portion of the index residing on a volume different from the
volume on which the index was initially created. When creating partitions
of an index, you specify the number of partitions and the volume, catalog,
and primary-key values for each partition.
Using dba/m Database Manager index partition management windows, you
can
•
Design partitions
•
View partitions
•
Add partitions
•
Alter partitions
•
Drop partitions
•
Perform a simple move on a partition
•
Perform a one-way split on a partition
•
Perform a two-way split on a partition
Designing Index Partitions
Partition design computes the primary key values for a given distribution of
rows across partitions.
To design an index partition, click on Index Partitions in the Main window,
then click on Design. The Partition Selection window will be displayed, as
shown in Figure 16-1.