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Introduction to Database System

Introduction to Database System
A recursive relationship is a relationship between an archetype and an instance of that archetype.

True
False

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Introduction to Database System
Characteristic(s) of a distributed MIS structure is

computers supporting local DP operations
interactive sharing of the workload
None of these
a multiprocessing environment
All of these

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Introduction to Database System
The model for a _____ resembles the hierarchical model in many respects.

Relational database
Network database
Distributed database
Hierarchical database
None of these

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Introduction to Database System
A data dictionary doesn't provide information about:

the size of the disk storage device
It will be the dominant data base of the future
It is conceptually simple
It allows a many-to-many relationship
where data is located

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Introduction to Database System
An Enterprise Resource Planning application is an example of a(n) ________ .

multiuser database application
e-commerce database application
data mining database application
single-user database application

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Introduction to Database System
In SQL, which command is used to make permanent changes made by statements issue since the beginning of a transaction?

PACK
SAVE
ZIP
COMMIT

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