Summary

•• A multiplelti le--columnl subqueryry returnsr t r morere thant one columnl ..

•• Columnl comparisonsri inin a multiplelti le-- columnl comparisonsri can be pairwiseir i orr nonpairwiseir i ..

•• A multiplelti le--columnl subqueryry can alsol be used inin thet FROM clausel off a SELECT statementt t t..

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Practicei Overviewie

Creatingr ti multiplelti le--columnl subqueriesri

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