Lesson 3.2 Joining Spatial and Non-Spatial Data

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1
The operation that appends the fields of one table into another table using a common attribute or field
Table join
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The field or attribute that exists in both tables and is used to connect their records
Common field
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The type of data integration that combines attribute information from a non-spatial table with a spatial GIS feature layer using a common field
Table join
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The operation that links feature information based on spatial location and association rather than a common attribute
Spatial join
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The type of join that matches each feature with the nearest feature
Closest spatial join
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The type of spatial join that matches each feature to the feature that contains it
Contains or part-of spatial join
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The type of spatial join that matches each feature to another feature that it intersects
Intersects spatial join
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The operation that temporarily associates two tables or map layers while keeping them physically separate
Relate
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The type of association that allows data to be accessed from either table by selecting records in the other table
Relate
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The type of table containing information that is not spatially explicit, such as information from reports or documents
Non-spatial table
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The type of table or layer containing geographic features with spatial locations
Spatial data
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The process of combining information from spatial and non-spatial tables
Data integration
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The method that combines records based on matching attribute values in a shared field
Attribute-based join
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The method that combines feature information according to geographic location
Location-based join
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The main difference between a table join and a spatial join
A table join uses a common attribute or field, while a spatial join uses spatial location and association
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The main difference between a join and a relate
A join appends fields into another table, while a relate keeps the tables physically separate
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The operation used to combine attribute information from one or more non-spatial data tables with a spatially explicit GIS feature layer
Join
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The operation that keeps two related tables separate instead of physically adding fields from one table to another
Relate
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The three spatial matching options described for spatial joins
Closest, part-of, and intersects
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The GIS operation used when each feature is matched to the feature it is part of
Part-of spatial join
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The GIS operation used when each feature is matched to the feature it intersects
Intersect spatial join
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