The Oracle 9i optimizer uses histograms if they are available. To improve performance significantly, do NOT use...
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histograms. Our query executions went from 45 seconds to three seconds. In the initSID.sap file, make sure that
stats_method = E
To remove histograms, run:
'analyze table table_name estimate statistics'
on those tables that have histograms.
For DB13 UPDATESTATS, stats_method = E will ensure that NO histograms are generated.
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