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INTRODUCTION TO DATABASE SYSTEM

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

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

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Introduction to Database System
The highest level in the hierarchy of data organization is called

database
data bank
data record
data file

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

chain
network
tree
relational

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Introduction to Database System
Updating a database means

reorganizing the database
modifying or adding record occurrences
all of the listed here
revising the file structure

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Introduction to Database System
In SQL, which command(s) is(are) used to enable/disable all triggers on a table?

ALTER TRIGGERS
All of the listed here
MODIFY TRIGGERS IN TABLE
ALTER TABLE

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