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Introduction to Database System

Introduction to Database System
In SQL, which command(s) is(are) used to enable/disable a database trigger?

ALTER TRIGGER
MODIFY USER
CHANGE USER
All of the listed here

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Introduction to Database System
The way a particular application views the data from the data base that the application uses is a :

None of these
relational model
schema
module
subschema

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Introduction to Database System
The PROJECT command will create new table that has

both of the listed here
more fields than the original table
more rows than the original table
none of the listed here

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Introduction to Database System
A relation is considered a:

two-dimensional table.
Column.
one-dimensional table.
three-dimensional table.

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Introduction to Database System
Data security threats include

privacy invasion
hardware failure
all of the listed here
fraudulent manipulation of data

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Introduction to Database System
Row is synonymous with the term:

record.
relation.
column.
field.

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