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Introduction to Database System

Introduction to Database System
In SQL, which command is used to changes data in a table?

BROWSE
APPEND
INSERT
UPDATE

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Introduction to Database System
A list in alphabetical order

is the result of a sort operation
both (b) and (c)
is in descending order
is in ascending order
None of these

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Introduction to Database System
A file produced by a spreadsheet

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

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Introduction to Database System
An attribute describes the entity's characteristics.

False
True

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Introduction to Database System
Prior to 1970, all data was stored in separate files, which were mostly stored on reels of magnetic tape.

False
True

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Introduction to Database System
An indexing operation

sorts file using two keys
None of the listed here
sorts a file using a single key
establishes an index for a file

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