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Introduction to Database System

Introduction to Database System
Microsoft Access is an enterprise-class database product.

True
False

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Introduction to Database System
A subtype entity is a special case of another entity called a supertype entity.

False
True

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Introduction to Database System
Table is synonymous with the term:

record.
relation.
column.
field.

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Introduction to Database System
Which of the following products was an early implementation of the relational model developed by E.F. Codd of IBM?

DB2
R:base
dBase-II
IDMS

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

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

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Introduction to Database System
In SQL, which command(s) is(are) used to create a synonym for a schema object?

All of the listed here
CREATE SCHEMA
CREATE SYNONYM
CREATE SAME

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