5. What is the difference between the usage of the set difference operation in an except/minus...
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5. What is the difference between the usage of the set difference operation in an except/minus statement and the left outer join command? 6. How do I return a result set in which the selected key is not redundant or repeated? 7. What is a theta-join? I 5. What is the difference between the usage of the set difference operation in an except/minus statement and the left outer join command? 6. How do I return a result set in which the selected key is not redundant or repeated? 7. What is a theta-join? I
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5 The set difference operation in an exceptminus statement is used to retrieve the rows that are pre... View the full answer
Related Book For
Data Modeling and Database Design
ISBN: 978-1285085258
2nd edition
Authors: Narayan S. Umanath, Richard W. Scammel
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