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Introduction to Database System

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

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

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Introduction to Database System
Which of the following is not a logical data-base structure?

chain
relational
network
tree

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Introduction to Database System
In a relation, the order of the columns does not matter.

False
True

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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

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

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Introduction to Database System
In a one-to-many relationship, the entity that is on the many side of the relationship is called a(n) ________ entity.

child
parent
subtype
instance

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Introduction to Database System
Which command is used to remove a table from the database in SQL?

DELETE TABLE
DROP TABLE
UNATTACH TABLE
ERASE TABLE

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