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Introduction to Database System

Introduction to Database System
The index consists of

a list of keys
both (a) and (b)
pointers to the master list
None of these
All of these

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Introduction to Database System
The data dictionary tells the DBMS

All of the listed here
what files are in the database
what these files contain
what attribute are possessed by the data

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Introduction to Database System
Prior to 1970, all data was stored in separate files, which were mostly stored on reels of magnetic tape.

True
False

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Introduction to Database System
A network schema

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

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

Modify
All of the listed here
Insert
Look-up

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Introduction to Database System
Long-range planning report produced in an MIS are primarily designed for

None of these
top management
lower management
All of these
middle management

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