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Introduction to Database System

Introduction to Database System
Which of the following is a group of one or more attributes that uniquely identifies a row?

Determinant
Key
Relation
Tuple

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Introduction to Database System
The model for a record management system might be

None of these
a Rolodex card file
All of these
handwritten list
a business form

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Introduction to Database System
Entities use identifiers while tables use keys.

False
True

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Introduction to Database System
In any hierarchy of data organization, the smallest entity to be processed as a single unit is called

None of these
database
data file
data record
data field

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Introduction to Database System
A file produced by a spreadsheet

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

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Introduction to Database System
SQL stands for ________ .

Sequential Question Language
Sequential Query Language
Structured Question Language
Structured Query Language

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