Question

What is query in GIS?

Answer 1

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✔✔ A query layer is a layer or stand-alone table that is defined by a SQL query.

✔✔ Query layers allow both spatial and nonspatial information stored in a DBMS to be easily integrated into GIS projects within ArcMap.

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Answer 2

Answer with Explanation:

One of the defining characteristics of GIS is the ability to ask questions (and get answers) in a spatial context. These questions or queries are requests for information that are posed in a specific fashion. Queries are expressed in a formal way using Structured Query Language (SQL).