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Answers by Sahin

2 votes
4
Databases
A Clustered index A) is a dense index always. B) is a sparse index always. C) can be either dense index or a sparse index,but not both. D) can be both dense index and sparse index.
A Clustered indexA) is a dense index always.B) is a sparse index always.C) can be either dense index or a sparse index,but not both.D) can be both dense index and sparse ...
1 votes
6
write down a minimal cover
Consider the attribute set R = ABCDEGH (where Functional Dependencies are F= {AB·--> C,AC --> B: AD ---> E, B -----> D, BE --> A, B -> G}.
Consider the attribute set R = ABCDEGH (where Functional Dependencies areF= {AB· C,AC B: AD - E, B - D, BE A, B - G}.