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Introduction to Database System

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

bank
None of these
menu
data file
data record

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Introduction to Database System
The logical data structure with a one-to-many relationship is a

chain
relational
tree
network

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Introduction to Database System
The _____ command is used to allocates an extent for the table in SQL

ALTER TABLE
MODIFY ALLOCATES
MODIFY TABLE
None of these
REDEFINE TABLE

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Introduction to Database System
A network schema

permits many-to-many relation¬ships
All of the listed here
stores data in tables
restricts the structure to a one-to-many relationship

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Introduction to Database System
In SQL, which command(s) is(are) used to enable/disable a database trigger?

MODIFY USER
All of the listed here
ALTER TRIGGER
CHANGE USER

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Introduction to Database System
One data dictionary software package is called

DB/DC dictionary
any of the above
None of these
TOTAL
ACCESS

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