Problem Assumptions:
There are 20,000 blocks on the CSC342.Person table file.
The table file is structured as a Heap file.
There is a ‘Last_Name' index on the table
The index has 4 levels.
It takes 1 millisecond to read a block from disk.
There is one person row with the last name = 'DePratti'
You want to do an equality search looking for all people with the last_name = ‘DePratti'.
How long will it take to find the block with the DePratti row?
Choose one from below
5 ms
4 ms
10 ms
20 ms