Oracle Intelligent Storage Protocol Oracle Database 12c sends metadata to the ZFS Storage Appliance about each I/O, enabling storage to dynamically tune itself for optimal performance
http://www.oracle.com/us/products/servers-storage/storage/nas/zs3-ds-2008069.pdf
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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