Working with the geodatabase effectively using SQL - Esri
Working with the geodatabase effectively using SQL - Esri
Working with the geodatabase effectively using SQL - Esri
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Spatial types in Postgre<strong>SQL</strong><br />
• Two spatial types<br />
– ST_GEOMETRY (ESRI)<br />
– GEOMETRY (Open source project - PostGIS PostGIS)<br />
• Both are OGC/ISO compliant<br />
– support standard constructor, accessor, analytical functions<br />
• Full <strong>geodatabase</strong> functionality supported on both spatial types<br />
– geometric networks, topology, versioning, archiving, replication etc.<br />
• Both types provide spatial index functionality
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