UNIVERSITY EXAMINATIONS: 2019/2020
EXAMINATION FOR THE DEGREE OF MASTER OF SCIENCE IN
DATA ANALYTICS
MDA 5204: CURRENT ADVANCES IN DATABASES
SECTION 2: OPEN-BOOK EXAMINATION
DATE: MAY, 2020 TIME: 6 HOURS
INSTRUCTIONS: Answer ALL Questions
QUESTION ONE [15 MARKS]
a) Explain the following concepts and offer a practical example for each: (3 Marks)
i) Image query by keywords
ii) Image query by example
iii) Snapshot future query
b) Discuss in detail any TWO multimedia database architectures. (2 Marks)
c) A spatial database is a database that is optimized to store and query data related to objects in
space. Illustrate how these objects are modeled. (4 Marks)
d) Discuss the requirements for spatial querying. (6 Marks)
QUESTION TWO [15 MARKS]
Write short notes on the distributed query processing system paying attention to the following
details:
(a) How it compares with the parallel database structure
(b) Catalog management in distributed databases.
(c) Potential advantages and challenges of distributed databases. (15 Marks)
