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How to interpret oracle 19c auto indexing reports? Would there be an improvement in performance on a

edited Jun 4, 2020 9:45AM in Database Administration (MOSC) 26 commentsAnswered ✓

Hello,

Need help in interpreting Auto Indexing Reports.

Context -

We have a table in Oracle Autonomous Data Warehouse (ADW) with 3.5 million records and we are fetching this data in Oracle Analytics Cloud (OAC) to create charts (visualizations).

Loading of these charts in OAC is slow and this is due to huge query execution time in ADW.

To overcome this, we enabled Automatic Indexing (AI) in ADW and this has been running for more than a week now.

Queries-

1.The AI reports were very detailed for the initial 3 days after AI was enabled. It has lot of information w.r.t auto indexes created and the sql statements improved in 'Original Plan' v/s 'Plan with Auto Indexes' etc. In some of these reports (report2 and report3),

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