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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 - A
| Q. 1 | Which of these is incorrect statement |
| | A) | A candidate key is minimal super key |
| B) | The number of tuples in a relation is called
its cardinality | | C) | The columns ofa relation are called tuples | | D) | None of the above | | | | | Q. 2 | Syntax for dropping a database is . |
| | A) | Drop database- name |
| B) | Drop DATABASE Database_name | | C) | Delete database-name | | D) | Drop DATABASE Database_name | | | | | Q. 3 | The sequential file is used. |
| | A) | when the file has high hit ratio but
infrequent updates |
| B) | for small files | | C) | for intermediate results of operations | | D) | All the above | | | | | Q. 4 | Each table is in turn broken down into
__________, which is made up of ______ |
| | A) | Entity, attributes |
| B) | Records, fields | | C) | columns, rows | | D) | fields, relation | | | | | Q. 5 | ____ is used for arranging data in
descending order |
| | A) | DSC |
| B) | DESC | | C) | BOTH A) and B) | | D) | Neither A) nor B) | | | | | Q. 6 | ______ converts data but does not support
styles |
| | A) | Convert |
| B) | Cast | | C) | Typecast | | D) | None of these | | | | | Q. 7 | The value of the ‘Golden ratio’ is ____ |
| | A) | Sqrt (5) |
| B) | Sqrt (12)+1 | | C) | Sqrt (5)-1)/2 | | D) | Sqr(5)/2 | | | | | Q. 8 | _________utility is used to connect to SQL
server. |
| | A) | SQL server Query analyzer. |
| B) | SQL server Enterprise Manager. | | C) | Both A and B | | D) | Neither A and B | | | | | Q. 9 | __________contains data assisting day to
day activities of the organisation |
| | A) | Control database |
| B) | Operational database | | C) | Strategic database | | D) | Sequential database | | | | | Q. 10 | The ________ expression returns one of
many values that satisfy the condition & is
mainly used to represent data to the external
user |
| | A) | Case Value |
| B) | Row Value | | C) | Nullif & Coalesce | | D) | Both A) & B) | | | |
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