Organising data and handling external files

1

What type of file has data stored in the order in which it is recorded?

2

How is a serial file searched?

3

What is a sequential file?

4

How can we reduce the time it takes to search a file?

5

Which of the following is true?

6

Which of the following SQL statements allow a user to include an index in a file?

7

Which data structure is used to store an index?

8

Before a file can be read, what must be first done to it?

9

Given the numbers 1-20, how many steps will a binary search take to find the number 13?

10

Given the numbers 1-20, what will be the result after three steps using a binary search?