In the figure below, what type of relationship do the relations depict?

In the figure below, what type of relationship do the relations depict?
 
  A) Strong entity/weak entity
  B) Multivalued
  C) Composite foreign key
  D) One-to-many

 Q. 2

In the figure shown below, which of the following is true?
 
  A) A person can marry at most one person.
  B) A person has to be married.
  C) A person can marry more than one person, but that person can only be married to one person.
  D) A person can marry more than one person.

 Q. 3

DDL is typically used during which phases of the development process?
 
  A) Implementation
  B) Physical design
  C) Analysis
  D) All of the above

 Q. 4

In the following diagram, which is true?
 
  A) It depicts a unary relationship.
  B) It depicts a many-to-many relationship.
  C) There is an associative entity.
  D) All of the above.

 Q. 5

________ is a set of commands used to control a database, which includes security.
 
  A) DML
  B) DDL
  C) DCL
  D) DPL

 Q. 6

In practice, databases today may contain either data or information.
 
  Indicate whether the statement is true or false