What is attribute query in GIS?

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An attribute query is the process of searching and retrieving records of features in a database based on desired attribute values. See Also Query. Such queries are a fundamental part of managing and analyzing GIS data. Typically, this is performed using a criteria-based query language, most commonly SQL. 15 февр. 2017 г.

What does attribute query mean?

A. attribute query. [data analysis] A request for records of features in a table based on their attribute values.

What is spatial and attribute query?

The main difference between attribute data and spatial data is that the attribute data describes the characteristics of a geographical feature while spatial data describes the absolute and relative location of geographic features.

What is attribute data in GIS definition?

Attribute data are the information linked to the geographic features (spatial data) that describe features. That is, attribute data are the “[n]on- graphic information associated with a point, line, or area elements in a GIS.”

What are the components of an attribute query?

The three basic components of an attribute query are the attribute field, operator, and attribute value.

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