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Database Management System (DBMS and Oracle 9i)
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Course Name
MCA (Master of Computer Application)
Subject Code MC0067 (Database Management System (DBMS and Oracle 9i))
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PART - A
PART - B
PART - C
Subject : Database Management System (DBMS and Oracle 9i)
MC0067 : PART - C
| Q. 1 | Which of the following are DBMS utilities
i. Loading
ii. Storage
iii. Backup
iv. Performance monitoring |
| | A) | i, ii, and iii |
| B) | i, ii, and iii | | C) | I, iii, iv, v | | D) | All of the above | | | | | Q. 2 | Match the following types of access
methods with their description
Set A
1. HSAM
2. HISAM
3. HDAM
4. HIDAM
Set B
a. an index based access is permitted for the
root record
b. the random access to root records is
provided using an index.
c. direct access to the root records is provided
using hashing & chaining method
d. child record of a particular parent are stored
consecutively after the parent itself |
| | A) | 1 - a, 2 - d, 3 - c, 4 - b |
| B) | 1 - a, 2 - c, 3 - d, 4 - b | | C) | 1 - d, 2 - b, 3 - c, 4 - a | | D) | 1 - d, 2 - a, 3 - c, 4 - b | | | | | Q. 3 | Give the important performance measures
of a file organization.
a) time to process the data
b) time required to transfer data between
device and memory
c) time spent in waiting for processor and
device ability which is dependent on system
and its load
d) time required to locate data on device
e) time required for comparing files where
different number of sequential and random
access is required. |
| | A) | a), b), c), d) |
| B) | b), c), d) and e) | | C) | b) and c) only | | D) | all a), b), c), d) and e) | | | | | Q. 4 | Limitations of sequential file are |
| | A) | Used for small files |
| B) | Used for intermediate results of operations | | C) | Used when the file has high hit ratio but
infrequent updates | | D) | All of the above | | | | | Q. 5 | _______ is the practical and efficient
method for organizing indexes on external
storage devices. |
| | A) | Multiplicative Method |
| B) | Division Method | | C) | B-Tree | | D) | Chaining Method | | | |
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