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Introduction to Database System

Introduction to Database System
The XML family of standards is very important in database processing today.

True
False

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Introduction to Database System
A ternary relationship is so called because in contains two entities and one association between them.

False
True

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Introduction to Database System
Which command is used to remove a table from the database in SQL?

UNATTACH TABLE
DELETE TABLE
ERASE TABLE
DROP TABLE

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Introduction to Database System
A compound key

uniquely identifies an item in a list
is made up a several pieces of information
is a combination of each unique key
None of these
both (a) and (b)

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Introduction to Database System
A functional dependency is always an equation.

True
False

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Introduction to Database System
In SQL, which command is used to create a database user?

CREATE USER
ADD USER TO DATABASE
All of the listed here
MK USER

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