A Russian tourist arrives at London's Heathrow airport.
As he fills out the entry form, the immigration officer asks him:
-Occupation?
The Russian promptly replies:
-No, no, just visiting!
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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