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Introduction to Database System

Introduction to Database System
If you want to organize a file in multiple ways, it is better to _____ the data rather than to sort it.

Delete
Index
Update
None of these
Sort Key

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Introduction to Database System
Relations are categorized into normal forms according to the referential integrity constraints that they have.

False
True

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Introduction to Database System
Long-range planning report produced in an MIS are primarily designed for

middle management
All of these
top management
lower management
None of these

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Introduction to Database System
An indexing operation

sorts file using two keys
sorts a file using a single key
None of the listed here
establishes an index for a file

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Introduction to Database System
The logical data structure with a one-to-many relationship is a

network
tree
chain
relational

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Introduction to Database System
In a relation, the rows are sometimes called "records".

False
True

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