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Introduction to Database System

Introduction to Database System
A scheme describes

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

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Introduction to Database System
The logical data structure with a one-to-many relationship is a

relational
tree
chain
network

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Introduction to Database System
The term _____ is sometimes used to refer to a data file in which all the records have the same record format, that is, the same field names, field lengths, and data types.

Data structure
Database
Table
Flat file
None of these

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Introduction to Database System
A form defines

the width of each field
none of the listed here
where data is placed on the screen
both of the listed here

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

CHOOSE
SELECT
BROWSE
None of these
LIST

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Introduction to Database System
A file produced by a spreadsheet

can be used as it by the DBMS
is generally stored on disk in an ASCII text format
all of the listed here
can be used for graphic

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