100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached 4.2 TrustPilot
logo-home
Exam (elaborations)

INF3703 EXAM PACK 2023

Rating
-
Sold
-
Pages
309
Grade
A+
Uploaded on
24-06-2023
Written in
2022/2023

the document has the latest questions and elaborate answers












Whoops! We can’t load your doc right now. Try again or contact support.

Document information

Uploaded on
June 24, 2023
Number of pages
309
Written in
2022/2023
Type
Exam (elaborations)
Contains
Questions & answers

Content preview

INF3703 EXAM
PACK 2023



UPDATED REVISION
PACK

, INF3703/201

2. _______ has been enhanced with extensions that support OLAP type
processing and data generation.
[1] SQL
[2] DBMS
[3] DBLC
[4] SDLC.




3. Data stored in the company database must be protected from access by
unauthorized users. Data measures include all of the following EXCEPT….
[1] User authentication
[2] Physical security
[3] Data encryption

[4] Top down authentication




4. The following is NOT a factor that influences the choice of database design
strategies.
[1] The company’s market knowledge
[2] The company’s structure
[3] The company’s scope
[4] The company’s management style




5. What describes the extent to which modules are independent of one another?
[1] Module cohesivity
[2] Module coupling
[3] Module collaboration
[4] Module connectivity

, INF3703/201




6. What are the three main types of indexes?
[1] Primary, Secondary, and Mixed index
[2] Primary, Secondary, and Multi-level index
[3] Primary, Secondary, and Maintenance index
[4] Primary, Secondary, and Mandatory index




7. The ____ lock allows concurrent transactions to access the same row as long
as they require the use of different fields within that row.
[1] Table-level
[2] Page-level
[3] Row-level
[4] Field-level




8. The following are the deadlock control techniques.
[1] Prevention, avoidance and uniqueness
[2] Prevention, detection and avoidance
[3] Prevention, isolation and detection
[4] Prevention, time-stamping and avoidance




9. Concurrency control with optimistic methods moves through which phases?
[1] Read, validation and growing
[2] Read, write and growing
[3] Growing, write and shrinking
[4] Validation, write and read

, INF3703/201

10. _____________design is the process of selecting the data storage and data
access characteristics of the database.
[1] Time
[2] Network
[3] Logical
[4] Physical




11. In the ________________ stage, data modeling is used to create an abstract
database structure that represents real-world objects in the most realistic way
possible.
[1] Physical design
[2] ER verification
[3] Conceptual design
[4] Logical design




12. What is the first step in converting the ER model from the conceptual design
phase into a set of relations?
[1] Create Relations for Strong Entities
[2] Map multivalued attributes
[3] Create Relations for Weak Entities
[4] Map binary relations




13. A ______ is often used on multidimensional data held in data warehouses.
[1] Bitmap index
[2] B-tree
[3] Pashing algorithm
[4] Primary index

Get to know the seller

Seller avatar
Reputation scores are based on the amount of documents a seller has sold for a fee and the reviews they have received for those documents. There are three levels: Bronze, Silver and Gold. The better the reputation, the more your can rely on the quality of the sellers work.
AlectaGroup University of South Africa (Unisa)
View profile
Follow You need to be logged in order to follow users or courses
Sold
367
Member since
2 year
Number of followers
311
Documents
399
Last sold
1 month ago

3,7

38 reviews

5
18
4
5
3
8
2
1
1
6

Recently viewed by you

Why students choose Stuvia

Created by fellow students, verified by reviews

Quality you can trust: written by students who passed their exams and reviewed by others who've used these notes.

Didn't get what you expected? Choose another document

No worries! You can immediately select a different document that better matches what you need.

Pay how you prefer, start learning right away

No subscription, no commitments. Pay the way you're used to via credit card or EFT and download your PDF document instantly.

Student with book image

“Bought, downloaded, and aced it. It really can be that simple.”

Alisha Student

Frequently asked questions