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Introduction to Database System

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
A list consists of last names, first names, addresses, and pin codes if all people in the list have the same last and the same pin code, a useful key would be

the pin code
None of these
a compound key consisting of the first name and the last name
the last name
All of these

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Introduction to Database System
The Management Information system (MIS) structure with one main computer system is called a

hierarchical MIS structure
centralized MIS structure
decentralized MIS structure
distributed MIS structure

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Introduction to Database System
Which command is used to remove an index from the database in SQL?

DELETE INDEX
ROLL BACK INDEX
DROP INDEX
REMOVE INDEX

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Introduction to Database System
Which of the following refers to something that can be identified in the user's work environment, something that the users want to track?

Entity
Identifier
Attribute
Relationship

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Introduction to Database System
Embedded pointer provide

an inverted index
a physical record key
All of these
a secondary access path
None of these

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