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Introduction to Database System

Introduction to Database System
All instances of an entity class have the same attributes.

False
True

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Introduction to Database System
In SQL, which command is used to select data in rows and column from one or more tables?

CHOOSE
LIST
SELECT
BROWSE
None of these

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Introduction to Database System
In SQL, which command is used to add new rows to a table?

APPEND
INSERT
ALTER TABLE
ADD ROW

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Introduction to Database System
Database applications are seldom intended for use by a single user.

True
False

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Introduction to Database System
A functional dependency is a relationship between or among:

relations.
attributes.
rows.
tables.

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Introduction to Database System
A data dictionary is a special file that contains

the names of all fields in all files
the data types of all fields in all files
the widths of all fields in all files
All of these
None of these

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