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Introduction to Database System

Introduction to Database System
In a relation, the rows are sometimes called "fields".

False
True

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Introduction to Database System
In SQL, the CREATE VIEW command is used

to recompile view
to create a trigger
to define a view of one or more tables or views
to recompile a table

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

True
False

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Introduction to Database System
The data-base environment has all of the following components except:

None of these
separate files
data base
data-base administrator
users

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Introduction to Database System
Which of the following products implemented the CODASYL DBTG model?

dBase-II
IDMS
DB2
R:base

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Introduction to Database System
Which of the following is not characteristic of a relational database model?

records
treelike structure
tables
complex logical relationships

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