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Introduction to Database System

Introduction to Database System
An operation that will increase the length of a list is

Modify
Look-up
Insert
All of the listed here

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Introduction to Database System
Sort/report generators

require more disk space than index/report generators
are faster than index/report generators
do not need to sort before generating a report
none of the listed here

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

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

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Introduction to Database System
A recursive relationship is a relationship between an entity and ________ .

a subtype entity
an archetype entity
an instance entity
itself

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

bank
menu
None of these
data file
data record

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Introduction to Database System
A ternary relationship is so called because in contains two entities and one association between them.

False
True

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