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When using the Join recipe, you can only select one column to serve as the join key. False. On the Join step, you have full
When using the Join recipe, you can only select one column to serve as the join key.
False. On the Join step, you have full control over the Join conditions, including all columns serving as the key.
True. A code recipe, such as a SQL recipe, is needed in order to join datasets on multiple columns.
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Advances In Spatial And Temporal Databases 10th International Symposium Sstd 2007 Boston Ma Usa July 2007 Proceedings Lncs 4605
Authors: Dimitris Papadias ,Donghui Zhang ,George Kollios
2007th Edition
