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Introduction to Database System

Introduction to Database System
In SQL, which command(s) is(are) used to create a synonym for a schema object?

CREATE SYNONYM
CREATE SAME
CREATE SCHEMA
All of the listed here

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Introduction to Database System
What software packages are commonly used for businesses that have to track extensive lists of clients and inventory?

Single function application packages
None of these
Custom made programs
Special purpose packages
Data management packages

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Introduction to Database System
A data dictionary is a special file that contains

the names of all fields in all files
None of these
the widths of all fields in all files
the data types of all fields in all files
All of these

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

MODIFY USER
CHANGE USER
All of the listed here
ALTER TRIGGER

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Introduction to Database System
Which of the following is not true of the traditional approach to information processing?

Programs are dependent on the files
All of these
It is inflexible
There is common sharing of data among the various applications
It is file-oriented

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Introduction to Database System
Which type of entity represents a logical generalization whose actual occurrence is represented by a second, associated entity?

Instance entity
Supertype entity
Subtype entity
Archetype entity

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