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Database Management Systems
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Course Name
BSc IT (Bachelor of Science in Information Technology)
Subject Code BT0066 (Database Management Systems )
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PART - A
PART - B
PART - C
Subject : Database Management Systems
BT0066 : PART - B
| Q. 1 | ___________ allows individual row
operation to be performed on a given result set
or on the generated by a selected statement. |
| | A) | Procedure |
| B) | Trigger | | C) | Curser | | D) | None of above | | | | | Q. 2 | What are the salient features of Data
model.
1. It processes a set of concepts for description
of the nature of data interrelationships between
them along with the syntax
2. It should have as minimum concepts which
are close to real world.
3. It should provide primitive by which
meaning of data can be captured.
4. It mainly describes the data, which gets
stored & processed in a given situation. |
| | A) | 1, 3, 4 |
| B) | 1, 2, 3 | | C) | 2, 3, 4 | | D) | 1,2,3,4 | | | | | Q. 3 | Describe the B-tree data structure
a) an order m is associated with a B-tree
b) the root node has at least (m/2) key value
and 2 pointers
c) all root nodes are that same level
d) all nodes other than root have at least (m/2)
key value and (m/2+1) pointers |
| | A) | a), b), c), d) |
| B) | a), b), c) | | C) | a), c), d) | | D) | c) and d) | | | | | Q. 4 | Database Management should:
1. be possible to store, access & maintain the
large size of data
2. permit data storage in integrated fashion by
fragmenting in different application which
control redundant data
3. have a central repository with data
description at both logical & physical levels |
| | A) | 1., 2 |
| B) | 1, 3 | | C) | 2, 3 | | D) | 1, 2, 3 | | | | | Q. 5 | An extent is __ contiguous pages, or ___
KB. Therefore, a database has ___ extents per
megabyte. |
| | A) | 8, 64, 16 |
| B) | 8, 16, 64 | | C) | 16, 8, 64 | | D) | 64, 8, 16 | | | |
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