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Introduction to Database System

Introduction to Database System
An operation that will increase the length of a list is

All of the listed here
Insert
Modify
Look-up

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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
CREATE USER
MK USER

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Introduction to Database System
An application where only one user accesses the database at a given time is an example of a(n) ________ .

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

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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
REMOVE INDEX
DROP INDEX

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Introduction to Database System
A scheme describes

All of these
records and files
None of these
data elements
record relationships

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Introduction to Database System
The relational model uses some unfamiliar terminology. A tuple is equivalent to a

record
field
data item
data base

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