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f K is a key for both relation schema R and S , does R cap S necessarily have a key K ? justfiy
f K is a key for both relation schema R and S does R cap S necessarily have a key K justfiy your answer with an a example
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Pro Database Migration To Azure Data Modernization For The Enterprise
Authors: Kevin Kline, Denis McDowell, Dustin Dorsey, Matt Gordon
1st Edition
1484282299, 978-1484282298
