Set - 4

Question 16 :

What is primary key ?

Answer :

An object that uniquely identifies an entity bean within a home

Question 17 :

What is primitive type ?

Answer :

A variable data type in which the variable's value is of the appropriate size and format for its type: a number, a character, or a Boolean value.

Question 18 :

What is principal ?

Answer :

The identity assigned to an entity as a result of authentication.

Question 19 :

What is private ?

Answer :

A Java keyword used in a method or variable declaration. It signifies that the method or variable can only be accessed by other elements of its class.

Question 20 :

What is privilege ?

Answer :

A security attribute that does not have the property of uniqueness and which may be shared by many principals. An example of a privilege is a group.