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Introduction to Database System

Introduction to Database System
In SQL, which command(s) is(are) used to enable/disable all triggers on a table?

MODIFY TRIGGERS IN TABLE
ALTER TABLE
ALTER TRIGGERS
All of the listed here

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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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Introduction to Database System
The different classes of relations created by the technique for preventing modification anomalies are called:

referential integrity constraints.
functional dependencies.
None of these
normal forms.

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Introduction to Database System
Versatile report generators can provide

None of these
Columnar totals
Subtotals
Calculations
All of these

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Introduction to Database System
What is the name given to the database management system which is able to handle full text data, image data, audio and video?

Graphics media
Multimedia
Hypertext
Full media

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Introduction to Database System
Which of the following hardware components is the most important to the operation of a database management system?

plotter
high speed, large-capacity disk
printer
high-resolution video display

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