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Introduction to Database System

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

parent
subtype
instance
child

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

All of these
Modify
None of these
Insert
Look-up

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

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

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Introduction to Database System
Data item characteristics that are important in data management include

punctuation
language
width
spelling

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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
Relational
Network
Object-Oriented
None of these

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Introduction to Database System
An attribute is a(n):

key of a table.
row of a table.
column of a table.
two dimensional table.

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