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CS-403 Final Term Exams Preparation Virtual University

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CS-403 Final Term Exams Preparation Virtual University

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Question # 1

Which of the following is a correct way of selecting all the columns from a table called PERSONS?

SELECT FROM * Persons A
SELECT * FROM Persons B
SELECT * WHERE Persons C
SELECT WHERE * Persons D

Question # 2

Which of the following is NOT a feature of Context DFD?

one process (which represents the entire system) A
all sources/sinks (external entities) B
data flows linking the process to the sources and sinks (external entities) C
sub-processes (which explain and decomposed the major process into small processes) D

Question # 3

A weak entity type

must have total participation in an identifying relationship A
does not have a key attribute(s) B
both (a) and (b) C
none of the above D

Question # 4

Controlling redundancy in a database management system DOES NOT help to

avoid duplication A
avoid unnecessary wastage of storage space B
avoid unauthorised access to data C
avoid inconsistency among data D

Question # 5

Which of the following is Advantage of Re-Hashing technique to handle the collisions?

Collisions don’t use primary table space A
Unlimited number of elements B
Fast access through use of main table space C
Overhead of multiple linked lists D

Question # 6

Structural constraints of a relationship type refer to

identifying the owner entity type relevant to a given entity type A
whether the existence of an entity depends on it being related to another entity via the relationship type. B
the role that a participating entity from the entity type plays in each relationship instance C
the constraints applicable in granting access to tables, columns and views in a database schema. D

Question # 7

Which of the following is not true regarding Indexes?

Index can be defined even when there is no data in the table A
It support Range selections B
It can be created using ‘Create Index’ statement C
It can not be created on composite attributes D

Question # 8

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

Data input programs A
Editing B
Display C
All of given D

Question # 9

Identify the factor which enforces a relation in 3NF?

Every non-key attribute is fully functionally dependent on primary key A
Every non-key attribute is partially dependent on super key B
The domain of attribute must include only atomic values. C
Every non-key attribute is non-transitively dependent on primary key. D

Question # 10

Which of the following is NOT a feature of a good interface?

Consistency A
Process based B
Data structure based C
User friendly D

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CS-403 Final Term Exams Preparation Virtual University

CS-403 Final Term Exams Preparation Virtual University

Which of the following is a correct way of selecting all the columns from a table called PERSONS?

Which of the following is NOT a feature of Context DFD?

A weak entity type

Controlling redundancy in a database management system DOES NOT help to

Which of the following is Advantage of Re-Hashing technique to handle the collisions?

Structural constraints of a relationship type refer to

Which of the following is not true regarding Indexes?

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

Identify the factor which enforces a relation in 3NF?

Which of the following is NOT a feature of a good interface?

Prepare All CS-403 Final Term Exams Preparation Virtual University MCQs With Answers

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Set 2

Set 3

Set 4

Set 5

Set 6

Set 7

Set 8

Set 9

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Set 12

Set 13

Set 14

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Set 17

Set 18

Set 19

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