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Introduction to Database System

Introduction to Database System
In SQL, which command is used to make permanent changes made by statements issue since the beginning of a transaction?

COMMIT
PACK
ZIP
SAVE

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

UPDATE
DELETE
CREATE
SELECT

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Introduction to Database System
If attribute A determines both attributes B and C, then it is also true that:

C →
(B,C) →
A →
B →

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Introduction to Database System
When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n):

transitive dependency.
normal form.
referential integrity constraint.
insertion anomaly.

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

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

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

True
False

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