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Geometry Storage Format
This article outlines why the storage formats used for geometry data by database spatial APIs are irrelevant: what is important is logical access.
7 April, 2022
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qGIS, GEOMETRY_COLUMNS and SQL Server Spatial
This article recommends using the GEOMETRY_COLUMNS metadata table to control access to feature tables and their geometry properties for qGIS.
3 November, 2021
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The Sad State of GIS SQL Standards
The background to this blog comes from two separate sources: the first is my testing of SQL Server 2008 “Katmai”, and secondly, a blog article
30 November, 2020
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Documentation
- MySQL Spatial General Functions
- Oracle LRS Objects
- Oracle Spatial Exporter (Java + pl/SQL)
- Oracle Spatial Object Functions
- Oracle Spatial Object Functions (Multi Page)
- PostGIS pl/pgSQL Functions
- SC4O Oracle Java Topology Suite (Java + pl/SQL)
- SQL Server Spatial General TSQL Functions
- SQL Server Spatial LRS TSQL Functions