February 2003
Intermediate to advanced
360 pages
11h 25m
English
book
Moving Data Across the DB2 Family
by Paolo Bruni, Michael Ho, Marko Milek, Arne Nilsen, Jose Mari Michael Sanchez
Content preview from Moving Data Across the DB2 Family
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Chapter 7. IBM DB2 High Performance Unload for z/OS 191
Other measurements have shown that there is no difference as more indexes are added.
7.9 Considerations
The HPU for z/OS was created to provide an alternative to unload data from DB2 for z/OS
tables. The file format options in the output data allows it to be loaded to other tables in the
DB2 for z/OS database or across distributed platforms, using the ASCII and DELIMITED
format. The main difference of HPU is that it performs a tablespace unload by directly
accessing the data from the VSAM clusters using the VSAM buffering capability. Even though
HPU can execute the unload directly from the ...
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