Introduction: Returns the spatial reference system identifier (SRID) of the raster geometry. Returns 0 if the raster has no CRS defined or if the CRS is a custom (non-EPSG) coordinate reference system. To retrieve the full CRS definition for custom CRS, use RS_CRS.
Format: RS_SRID (raster: Raster)
Return type: Integer
Since: v1.4.1
SQL Example
SELECT RS_SRID(raster) FROM raster_table
Output:
3857