CS403P Graded Quiz 1 Solved by Sahirullah

CS403P - Database Management Systems (Practical)

Graded Quiz No. 1 - Solved

Solved by: Sahirullah | | info.sahirweb

Which of the following is used to represent an association between different entities?

Entity

Attribute

What does an oval or rounded rectangle represent in Data Flow Diagram?

Entity System Component

Processes

Data Store

In Entity Relationship Data Model, which of the following symbol is used to represent Entity Type?

Oval Diamond Parallelogram

Rectangle

The first step of creating level 0 Data Flow Diagram is to ________. Create a Data Store Establish link between different entities Identify prominent modules of system

Represent interaction between external entities

Which of the following is the main user interface of Microsoft SQL server?

Gesture-based interface Voice-activated interface Modular interface

Graphical User Interface

Relationships between two entities in the Entity Relationship Data Model are represented by ________. Rectangle symbol Line symbol

Diamond symbol

Oval symbol

How many users can access data stored in a database using SQL server?

Maximum 10 users Only one user at a time Exactly 50 users

Many users concurrently

Which of the following statement is true about Entity Set?

A group of relationship between different entities A group of attributes of a particular entity type

A group of entity instances of a particular entity type

A group of instances of particular attributes