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Introduction to Database System

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

False
True

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Introduction to Database System
In SQL, GRANT command is used to

None of the listed here
allow user to create databases
allow user to access databases
grant system privileges, roles, and object privileges to uses and roles

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Introduction to Database System
The functional dependency R → S means that the value of S can be determined when we are given a value of R.

True
False

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Introduction to Database System
A _____ database does not use pointers or physical links, but instead finds related records by examining the contents of fields.

Hierarchical
Network
Relational
Object-Oriented
None of these

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

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

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Introduction to Database System
A database is called "self-describing" because it contains a description of itself.

True
False

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