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Introduction to Database System

Introduction to Database System
In SQL, which of the following is not a data Manipulation Language Commands?

SELECT
CREATE
DELETE
UPDATE

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Introduction to Database System
If a calculation is embedded in a form

the calculations are stored with the form
the result of the calculations are stored with the form
all of the listed here
the result of the calculations are printed in report

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Introduction to Database System
Which of the following is true of a network structure?

It is conceptually simple
It is a physical representation of the data
It will be the dominant data base of the future
It allows a many-to-many relationship

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Introduction to Database System
The relational model uses some unfamiliar terminology. A tuple is equivalent to a

record
data base
data item
field

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

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

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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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