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Introduction to Database System

Introduction to Database System
The functional dependency R → S means that the value of S can be determined when we are given a value of R.

True
False

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Introduction to Database System
A relation is considered a:

three-dimensional table.
one-dimensional table.
Column.
two-dimensional table.

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Introduction to Database System
Characteristic(s) of a distributed MIS structure is

computers supporting local DP operations
All of these
interactive sharing of the workload
None of these
a multiprocessing environment

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Introduction to Database System
In a relation, the columns are sometimes called "attributes".

False
True

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Introduction to Database System
Batch processing is appropriate if

only a few transactions are involved
None of these
All of these
only a small computer system is available
a large computer system is available

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Introduction to Database System
A candidate key is a determinant that determines all the other columns is a relation.

False
True

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