Which of the function provides consecutive numbering except in the case of a tie?Question 8Answera.ROW_NUMBERb.NTILEc.RANKd.DENSE_RANK
Question
Which of the function provides consecutive numbering except in the case of a tie?
Question 8
Answer
a. ROW_NUMBER
b. NTILE
c. RANK
d. DENSE_RANK
Solution
The function that provides consecutive numbering except in the case of a tie is ROW_NUMBER.
Here's a step-by-step explanation:
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ROW_NUMBER: This function provides a unique row number for each row, regardless of duplicates within a partition. So, even in the case of a tie, it will still provide a unique number.
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NTILE: This function distributes the rows in an ordered partition into a specified number of groups. The groups are numbered, starting at one. For each row, NTILE returns the number of the group to which the row belongs.
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RANK: This function provides a unique rank number for each distinct row within a partition but leaves gaps in the ranking for duplicate rows. So, in the case of a tie, it will not provide a unique number.
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DENSE_RANK: This function provides a unique rank number for each distinct row within a partition but does not leave gaps in the ranking for duplicate rows. So, in the case of a tie, it will not provide a unique number.
So, the answer is a. ROW_NUMBER.
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