Question # 1

Which of the following statements are Data Definition Language command?

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INSERT

UPDATE

GRANT

TRUNCATE

Who is responsible for authorizing access to the database, for coordinating and monitoring its use ?

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Database Designers

Database Administrators

End Users

Application Programmers

Consider two sets A and B. A contains 3 elements and B contains 4. How many elements do their Cartesian product contains?

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12

9

16

7

The Entity Relation Model models

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Entities, Relationships and Processes

Entities and Relationships

Relationships

Entities

Which of the following are the general activities, which are performed during the development of application programs?

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Data input programs

Editing

Display

All of given

The ____ constraint specifies whether each entity supertype occurrence must also be a member of at least one subtype

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specialization

uniqueness

inheritance

completeness

Laser records data by burning microscopic holes in the surface of the disk with a

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Hard disk

RAM

Optical disk

Floppy disk

Which of the following SQL keywords is not used with DDL statements?

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Table

Update

Create

Alter

______ is a control that presents a set of choices from which a user can select one or more items; items can be text, graphics, or both.

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Text input

Report

Button

List box

Which of the following is not a type of user interface?

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Graphical User Interface (GUI)

Forms

DB tables

Text based

Which of the following is a correct way to implement one-to-many relationship while designing tables?

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by splitting the data into two tables with primary key and foreign key relationships

using a junction table with the keys from both the tables forming the composite primary key of the junction table.

by splitting each table into three

as a single table and rarely as two tables with primary and foreign key relationships

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