RDBPROD: Poor Query Performance After RMU/LOAD Until RMU/COLLECT Performed
(Doc ID 1395818.1)
Last updated on APRIL 14, 2022
Applies to:Oracle Rdb Server on OpenVMS - Version 7.2 and later
HP OpenVMS Itanium
HP OpenVMS Alpha
A database was rebuilt from scripts, tables loaded using RMU/LOAD, and indexes recreated. During testing it was noted that the performance of a join query on two tables was poor. RMU/COLLECT was performed and query performance was restored to expected good performance. Why was RMU/COLLECT required?
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