Joe Celko's Complete Guide to NoSQL by Joe Celko

Joe Celko's Complete Guide to NoSQL by Joe Celko

Author:Joe Celko
Language: eng
Format: epub
ISBN: 9780124072206
Publisher: Elsevier Science
Published: 2013-10-14T16:00:00+00:00


ISO 19106:2004: Profiles Simple features from GML.

ISO 19107:2003: Spatial Schema See also ISO 19125 and ISO 19115; basic concepts defined in this standard are implemented. This is the foundation for simple features in GML.

ISO 19108:2003: Temporal Schema Time-aware data in GIS.

ISO 19109:2005: Rules for Application Schema A conceptual schema language in UML.

ISO 19136:2007: Geography Markup Language This is equivalent to OGC GML 3.2.1.

8.1 GIS Queries

So much for the history and tools. What makes a GIS query different from a basic SQL query? When we ask a typical SQL query, we want aggregated numeric summaries of data measured in scalar units. In GIS we want spatial answers and space is not linear or scalar.



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