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Introduction to Database System

Introduction to Database System
The following are functions of a DBMS except ________ .

creating databases
processing data
creating and processing forms
administrating databases

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Introduction to Database System
Which two files are used during operation of the DBMS?

data dictionary and transaction log
data dictionary and query language
query language and utilities
None of the listed here

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Introduction to Database System
Two files may be joined into a third file if

both (b) and (c)
they have no records with the same value in the common field
they have a field in common
None of these
they have a row in common

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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.

False
True

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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.

Object-Oriented
Relational
Hierarchical
Network
None of these

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Introduction to Database System
Large collections of files are called

None of these
records
fields
databases
file system

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