I am working on Oracle Spatial 11g and I am referring to Oracle docs as a learning resource.
Does any one know any more Oracle Spatial tutorials?
We want to integrate Oracle Spatial data with ArcGIS and QGIS.
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I suggest starting with this excellent pdf for the conceptual aspects:
Then move onto the dev guide (11gR2 here, about 900 pages worth):
At that point you'll be informed enough to integrate Oracle Spatial professionally into any Desktop GIS application. Specifically for ArcGIS, here's the ground rules and documentation for using SDO_Geometry within ArcSDE geodatabases: