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Introduction to Database System

Introduction to Database System
Related fields in a data base are grouped to form

None of these
bank
data file
data record
menu

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Introduction to Database System
Given the functional dependency R → (S,T) , then it is also true that R → S.

True
False

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Introduction to Database System
An-owner-member set in the CODASYL specifications may have

All of the listed here
more than one member but only one occurrence per member
only one owner but many owner occurrences
only one member but many member occurrence

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Introduction to Database System
In the relational model, relationships between relations or tables are created by using:

composite keys.
candidate keys.
determinants.
foreign keys.

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Introduction to Database System
The DBMS ranked as being the "hardest to use" in the text is Microsoft's SQL Server.

True
False

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Introduction to Database System
A command that lets you change one or more fields in a record is

Look-up
None of these
Insert
Modify
All of these

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