echo 1 > /proc/sys/vm/drop_caches ( as of 2.6 kernel )
http://mtj.wordpress.com/2006/10/18/clearing-linux-filesystem-read-cache/
Partition by Expression
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Oracle 26.1 now allows using an *Expression* in the Partitioning Clause.
In earlier releases, you could do this with a Virtual Column defined in the
ta...
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