Which language is used by most of DBMSs for helping their users to access data?
Query language
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HLL
SQL
4 GL
Tag: Databases MCQs
Which of the following is at the highest level in the hierarchy of data organization?
Which of the following is at the highest level in the hierarchy of data organization?
Database
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Data bank
Data file
Data record
In a database, a network structure
In a database, a network structure
allows many-to-many relationship
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is a physical representation of the data
allows only one-to-one relationship
All options are correct
Administrative supervision of database activities is the responsibility of the
Administrative supervision of database activities is the responsibility of the
Database administrator
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VP-DP administration
DP manager
DB manager
A network schema
A network schema
permits many-to-many relationships
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restricts the structure to a one-to-many relationship
stores data in tables
None of the options are correct
In a large DBMS
In a large DBMS
each user can “see” only a small part of the entire database
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each user can access every sub schema
each sub schema contains every field in the logical schema
All options are correct
Which database handles full text data, image, audio and video?
Which database handles full text data, image, audio and video?
Multimedia database
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Video on demand database
Graphics database
Transaction database
The database environment has all the following components except
The database environment has all the following components except
Separate files
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Users
Database
Database administrator
The logical data structure with a one-to-many relationship is a
The logical data structure with a one-to-many relationship is a
Tree
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Chain
Network
All options are correct
In a database, related fields are grouped to
In a database, related fields are grouped to
Data record
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Menu
Bank
File