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0
votes
1answer
379 views
Is this partial dependency?
I have this relation:
R = ABCDE
F: AB->DE, AC->B, DE->C, AE->C, C->AB.
Is AC->B a partial dependency in F?
I'm guessing it is, because
C->AB can be decomposed to
C->A
C->B
...
2
votes
0answers
114 views
Transform XPath map into XML document using relational data
Background
Most modern databases have XML functions that can be used to extract data in an XML format. I want to avoid the task of manually calling XML functions to extract the data.
This problem ...
