Which of the following is true regarding indexed sequential files and B+-trees?
A) A B+-tree indexed file is an indexed sequential file.
B) A B+-tree indexed file can never be an indexed sequential file.
C) Only a file with a simple linear index can be an indexed sequential file.
D) All indexed files are indexed-sequential files.
E) An indexed sequential file requires a hashing algorithm.

Question

Quizplus · Accepted Answer

A B+-tree indexed file is a type of indexed sequential file. Indexed sequential files can be created using different indexing methods such as simple linear indexing or B+-tree indexing. Therefore, a B+-tree indexed file can be an indexed sequential file but not all indexed sequential files necessarily use B+-tree indexing.

Which of the Following Is True Regarding Indexed Sequential Files