This quiz focuses on fundamental database concepts within relational models, including cardinality, schema, and data records, emphasizing data independence and management advantages.
Data independence
Centralised control of data
Neither (A) or (B)
Both A and B
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Candidate
Primary
Super
Sub
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Directory
Data bank
Metadata
None of the above
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Data is dependent on programs.
Data redundancy increases.
Data is integrated and can be accessed by multiple programs.
None of the above.
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Primary key
Secondary key
Foreign key
None of these
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Data file
Data record
Menu.
Bank
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Support end-users who use English-like commands.
Support in the development of complex applications software.
Specify the structure of a database.
All of the above
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Parent-Child relationship between the tables that connect them.
Many to many relationships between the tables that connect them.
Network model between the tables that connect them.
None of the above
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Tuples
Attributes
Tables
Rows
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Is no need for primary key data.
Is much more data independence than some other database models.
Are explicit relationships among records
Are tables with many dimensions
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Rows
Key
Attribute
Fields
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Attribute.
Degree
Tuple
Domain
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A number of attributes.
A number of tuples
A number of tables
A number of constraints.
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Is the entire database
Is a standard way of organising information into accessible parts.
Describes how data is actually stored on disk.
Both (A) and (C)
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