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Data Warehousing And Data Mining
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Course Name
BCA (Bachelor of Computer Application)
Subject Code BC0058 (Data Warehousing And Data Mining)
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PART - A
PART - B
PART - C
Subject : Data Warehousing And Data Mining
BC0058 : PART - C
| Q. 1 | Which of the following statements are true
regarding data warehousing?
1. It is mainly concerned with information
retrieval and analysis
2. It uses a data model that is highly
normalized in structure
3. It is used to store data tha |
| | A) | 1, 3, 4 and 5 |
| B) | 2, 3 and 5 | | C) | 1, 2 and 3 | | D) | 1, 2, 4 and 5 | | | | | Q. 2 | Which of the following operations are
performed by the parallel query feature of
Oracle?
1. Table scans in which data in a table is read
from start to finish to obtain the results for a
query
2. Sorting in order to present data to |
| | A) | 1, 2, 4 and 5 |
| B) | 2, 3, 4 and 5 | | C) | 1, 2, 3 and 5 | | D) | 1, 2, 3, 4, 5 and 6 | | | | | Q. 3 | Match the following:-
Set I
a. Artificial Neural Networks
b. Genetic Algorithms
c. Decision Trees
d. Data Visualization
e. Rule Induction
f. Nearest Neighbour Method
Set II
1. Tree-shaped structure that represent sets o |
| | A) | a-4, b-1, c-5, d-6, e-2, f-3 |
| B) | a-3, b-4, c-1, d-6, e-2, f-5 | | C) | a-6, b-3, c-4, d-1, e-2, f-5 | | D) | a-5, b-6, c-2, d-4, e-1, f-3 | | | | | Q. 4 | Which of the following question must be
considered before initiating a data warehouse
project?
1. What are the specific strategic business
objectives that the warehouse is supposed to
achieve?
2. Have the key users of the data ware |
| | A) | 1, 2, 4and 6 |
| B) | 2, 3 and 5 | | C) | 1, 3, 5 and 6 | | D) | 1, 2, 3, 4, 5 and 6 | | | | | Q. 5 | Which of the following are responsibilities
of a database administrator?
1. He must have strong political skills
2. He must have intimate working knowledge of
the current legacy system
3. He must be responsible for creating and
rev |
| | A) | 1, 4 and 5 |
| B) | 2, 3 and 6 | | C) | 1, 2, 4 and 5 | | D) | 2, 3, 5 and 6 | | | |
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