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Introduction to Database System

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

CHOOSE
BROWSE
None of these
LIST
SELECT

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Introduction to Database System
Which of the following is not the responsibility of the utilities component of DBMS software?

monitoring performance
creating the physical and logical designs
removing flagged records for deletion
None of these
creating and maintaining the data dictionary

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Introduction to Database System
The primary key is selected from the:

candidate keys.
composite keys.
foreign keys.
determinants.

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

All of the listed here
CHANGE USER
MODIFY USER
ALTER TRIGGER

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Introduction to Database System
Helping people keep track of things is the purpose of a(n) ________ .

instance
relationship
table
database

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Introduction to Database System
A top-to-bottom relationship among the items in a database is established by a

Network schema
Hierarchical schema
All of the listed here
Relational schema

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