Explanation:Suppose that instead of going back a fixed number of tuples, we want the window to consist of all prior years we use rows unbounded preceding. 9. The functions which construct histograms and use buckets for ranking is
A. Rank()
B. Newtil()
C. Ntil()
D. None of the mentioned
Answer:A
Explanation:Suppose that instead of going back a fixed number of tuples, we want the window to consist of all prior years we use rows unbounded preceding. 9. The functions which construct histograms and use buckets for ranking is
A. Rank() B. Newtil() C. Ntil() D. None of the mentioned
Explanation:For each tuple, ntile(n) then gives the number of the bucket in which it is placed, with bucket numbers starting with 1. 10. The command ________________ such tables are available only within the transaction executing the query, and are dropped when the transaction finishes.