The join command is used to associate information in two different files on the basis of a common field or ____ in those files.
A)index
B)link
C)column
D)key

Question

Quizplus · Accepted Answer

The option 'D' - key, is the correct answer as join command primarily works on joining two files based on a common field, which is known as key. The 'key' field contains the same data in both the files and based on this, the join command combines the matching data from both the files into a single output/result.

The Join Command Is Used to Associate Information in Two