Chapter 8 - GIS Fundamentals Final

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created 8 months ago by Abby_Bohman
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GIS Fundamentals
Chapter 8
creating and maintaining geodatabases
updated 8 months ago by Abby_Bohman
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1

What are the main components of a database management system?

safely stores and retrieves data

2

What are the primary functions of a database management system?

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3

Describe the difference between single and multiple user views.

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4

What is a one-to-one relationship between tables? A many-to-one relationship?

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5

Which single columns in the following table may serve as keys? (see table 8.5 page 366)

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6

Which single columns in the following table may serve as keys? (see table 8.6 page 366)

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7

Why have relational database structures proven so popular?

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8

What are the eight basic operations formally defined by E.F. Codd for the relational model?

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9

What is the primary reason that hybrid database models are used for spatial data?

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10

Does an OR condition result in more, fewer, or the same number of records than the component parts, for example, is the set from

condition A OR condition B

the same, bigger or smaller than the set from condition A alone, or condition B alone?

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11

Does an AND condition result in more, fewer, or the same number of records as the component parts, for example, is the set from

condition A AND condition B

the same, bigger or smaller than the set from condition A alone, or condition B alone?

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