Three SQL, DDL, CREATE commands are ________ .

In an object oriented model, one object can access data of another object by passing?

• [A] Instance variable
• [B] Variable
• [C] Message
• [D] Function

Referential integrity controls relationships between :

• [A] attributes in a table
• [B] operations of an object
• [C] instances of a class
• [D] tables in a database

To select all column from the table the syntax is:

• [A] select all from table_name
• [B] select * from table_name
• [C] select from table_name
• [D] none

Common Gateway Interface (CGI) is which of the following?

• [A] An interface that accepts and returns data that may be written in SQL.
• [B] An interface that accepts and returns data that may be written in any language that produces an executable file.
• [C] A small program that executes within another application and is stored on the server.
• [D] A small program that executes within another application and is stored on the client.

Which of the following is a technique for hiding the internal implementation details of an object?

• [A] Encapsulation
• [B] Polymorphism
• [C] Inheritance
• [D] All of the above.