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Introduction to Database System

Introduction to Database System
Which of the following indicates the maximum number of entities that can be involved in a relationship?

Greater Entity Count (GEC)
ERD
Minimum cardinality
Maximum cardinality

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Introduction to Database System
In SQL, which command is used to add a column/integrity constraint to a table

ALTER TABLE
INSERT COLUMN
ADD COLUMN
MODIFY TABLE

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Introduction to Database System
The data dictionary tells the DBMS

what attribute are possessed by the data
All of the listed here
what files are in the database
what these files contain

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Introduction to Database System
An entity is something that can be identified in the user's work environment; something that the users want to track.

False
True

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Introduction to Database System
A file produced by a spreadsheet

is generally stored on disk in an ASCII text format
can be used for graphic
all of the listed here
can be used as it by the DBMS

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Introduction to Database System
One approach to standardizing storing of data

structured programming
CODASYL specifications
MIS
None of these
All of these

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