English translate
Un articol excelent despre stabilitatea planurilor de executie in 10G :
articol original : http://oracle-randolf.blogspot.com/2009/03/plan-stability-in-10g-using-existing.html
via : http://forums.oracle.com/
The new FILTER clause in Aggregations
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Oracle 26.1 introduces the new FILTER clause that can be used in
aggregations.
Thus, for example, *in a SUM aggregation you can use FILTER WHERE ...*
...
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