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Least Effort Index [message #423227] Tue, 22 September 2009 20:57
db33
Messages: 21
Registered: July 2009
Junior Member
Hi,
I have a table with millions of points (lat/lon). Inserting into the table with an index on the point column drops by speed by 1/4.

All of my queries use other fields to break down the query to only a few rows, so I don't really use the index. However, I still want to use the SDO_WITHIN_DISTANCE function with a polygon, to remove a few rows from the result set.

So, what is my least intensive (least effort to build/update) index I can put on the point column so Oracle will still support spatial queries?

Thanks.
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