Good Morning,I'm an italian student and I'm working on a project involving postgres. I'm sorry for my very bad
english.I've some questions:1)Does postgres upport semi-joins?2)What about projections or selections in query tree
writing?Does Postgres support algebraic space (in other word when/how Postgres process
algebraic operators? Are they used as common to reduce the size of the space that the search strategy has to
explore?).
Thanks you all
Lucky
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________________________________________________________________________
Offro&Cerco: CASA, LAVORO, VACANZE, ELETTRONICA, INCONTRI. Tutti gli
annunci sono online su Kataweb all'indirizzo http://www.offroecerco.it