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Introduction to Database System

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

IDMS
dBase-II
R:base
DB2

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Introduction to Database System
Applications are programs that interact directly with the database.

False
True

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Introduction to Database System
In SQL, the ALTER TABLESPACE command is used

to take a tablespace online/offline
All of the listed here
to change storage characteristics
to add/rename data files

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Introduction to Database System
One solution to the multivalued dependency constraint problem is to:

split the relation into two relations, each with a single theme.
add a composite key.
change the theme.
create a new theme.

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Introduction to Database System
Internal auditors should review data system design before they are

implemented
developed
modified
All of the listed here

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Introduction to Database System
In a one-to-many relationship, the entity that is on the many side of the relationship is called a(n) ________ entity.

subtype
child
instance
parent

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