What advantage does this index provide?

A table named Student has columns named ID, Name, and Age. An index has been created on the ID column.

What advantage does this index provide?
A . It reorders the records alphabetically.
B . It speeds up query execution.
C . It minimizes storage requirements.
D . It reorders the records numerically.

View Answer

Answer: B

Explanation:

Faster to access an index table.