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Introduction to Database System

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

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

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

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

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Introduction to Database System
A database management system might consist of application programs and a software package called

AUTOFLOW
BPL
FORTRAN
TOTAL

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Introduction to Database System
Data security threats include

fraudulent manipulation of data
privacy invasion
all of the listed here
hardware failure

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Introduction to Database System
In a 1:N relationship, the parent is the entity on the one side of the relationship and the child is the entity on the N side of the relationship.

True
False

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Introduction to Database System
Each of data files has a _____ that describe the way the data is stored in the file.

Fields
Records
Database
File structure

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