Before any changes to database structure are attempted one should first:

A constructor operation does which of the following?

• [A] Creates a new instance of a class
• [B] Updates an existing instance of a class
• [C] Deletes and existing instance of a class
• [D] All of the above.

................. requires that data should be made available to only authorized users.

• [A] Security
• [B] Data integrity
• [C] Privacy
• [D] none

Three SQL, DDL, CREATE commands are ________ .

• [A] Schema, Base and Table
• [B] Key, Base and Table
• [C] Base, Table and Schema
• [D] Schema, Table and View

Versatile report generator can provide ?

• [A] Columnar totals
• [B] Subtotal
• [C] Calculation
• [D] ALL

How is it possible that both programs and data can be stored on the same floppy disk?

• [A] Floppy disks can only store data, not programs
• [B] Programs and data are both software, and both can be stored on any memory device
• [C] A floppy disk has to be formatted for one or for the other
• [D] A floppy disks has two sides, one for data and one for program