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Introduction to Database System

Introduction to Database System
Which of the following products was an early implementation of the relational model developed by E.F. Codd of IBM?

DB2
IDMS
dBase-II
R:base

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

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

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Introduction to Database System
An Enterprise Resource Planning application is an example of a(n) ________ .

e-commerce database application
data mining database application
single-user database application
multiuser database application

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Introduction to Database System
In an Enterprise-class database system, business users interact directly with database applications that interact with the DBMS, which directly accesses the database data.

False
True

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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?

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

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

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

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