Ordered Indexing and Hashing - DBMS


A(n) _________ can be used to preserve the integrity of a document or a message.

   A.) Message digest
   B.) Message summary
   C.) Encrypted message
   D.) None of the mentioned

Answer: Option 'C'

Encrypted message


A hash function must meet ________ criteria.

   A.) Two
   B.) Three
   C.) Four
   D.) None of the mentioned

Answer: Option 'B'



The database design that consists of multiple tables that are linked together through matching data stored in each table is called

   A.) Hierarchical database
   B.) Network database
   C.) Object oriented database
   D.) Relational database

Answer: Option 'D'

Relational database


The separation of the data definition from the program is known as:

   A.) Data integrity
   B.) Data independence
   C.) Data dictionary
   D.) Referential integrity

Answer: Option 'B'

Data independence


The traditional storage of data that is organized by customer, stored in separate folders in filing cabinets is an example of what type of ‘database’ system?

   A.) Hierarchical
   B.) Network
   C.) Object oriented
   D.) Relational

Answer: Option 'A'


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