File Organisation And Indexing

Question 1

What is Primary File Organisation?

Answer 1

Defines the methods of storing and organising files on a storage device (like hard drive)

Question 2

Types of Primary File Organisation.

Answer 2

1. Sequential File Organisation
2. Heap File Org
3. Index File Org
4. Linked File Org

Question 3

What is Sequential File Organisation?

Answer 3

A method of storing files in continuous or sequential data blocks.

Question 4

Heap File Org?

Answer 4

Files aren’t stored in a specific order; when a data block is full and another file needs to be stored, it is stored in any free data block – it doesn’t have to be close.

Question 5

What is Index File Organisation?

Answer 5

Uses catalogue of file names and their locations to keep track of the files.

Question 6

What is Linked File Organisation?

Answer 6

Files stored in this manner are divided into fixed-length blocks which contain pointers to the location of the next related file.

Question 7

What is 4GL?

Answer 7

Fourth Generation Environment is an environment (set) of high-level programming languages which provides a non-procedural interface for developing database applications.

Question 8

What are non-procedural languages?

Answer 8

Programming languages that allow users specific what they want done without having to state how it should be done.