Course CMW46 IMS HALDB Unit 4 (HALDB Partition Selection)

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This is an intermediate level unit for DBAs that manage IMS DB. It is assumed the student has some knowledge about how databases are organized. This unit was recorded from a webinar given in December 2018

After completing the unit you should be able to:

Describe partition selection
Describe the alternatives for partition selection
Describe advantages of key range partitioning and the advantages of a partition selection exit routine
Describe the effect of a partition selection exit routine on the ordering of root segments in a database

0:00:00 Unit Objectives

0:01:30 Partition Selection with Key Range

0:02:38 Partition Selection with Exit Routine

0:09:00 Partition String Usage Example

0:12:15 Order of Segments in a Partition