http://m.blog.itpub.net/8558093/viewspace-1022279/ WebEach of the three bitmaps is then ANDed together, (the BITMAP AND operation), and finally, the "BITMAP CONVERSION TO ROWIDS" handles translating the bitmap back into a …

Slow Query Using SDO_FILTER With the Optimizer Choosing …

WebJan 29, 2007 · Can you please explan me about BITMAP CONVERSION TO ROWIDS.Why the below query going for 3 times BITMAP CONVERSION TO ROWIDS on the same … WebApr 14, 2010 · I can either create it as. select * from Users where user_id in (select user_id from Log_mview) select distinct u.* from Users u inner join Log_mview l on u.user_id = l.user_id. (need the distinct to avoid multiple hits from users with multiple log entries). The former seems cleaner and more elegant, but takes much longer. imgur thigh high thursday

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WebBitmap conversion to ROWIDS does not require bitmap indexes, and it's sometimes found in cases of SQL with complex WHERE clause conditions. The bitmap conversion to rowids is sometimes seen with star transformations (by setting … WebUSE_CONCAT - The USE_CONCAT hint forces combined OR conditions in the WHERE clause of a query to be transformed into a compound query using the UNION ALL set operator. Generally, this transformation occurs only if the cost of the query using the concatenations is cheaper than the cost without them. NO_EXPAND - The NO_EXPAND … imgur thrilling