The jdbc_georaster_query element, which is used to define a GeoRaster theme, has the following definition:

<!ELEMENT jdbc_georaster_query (#PCDATA) >
<!ATTLIST jdbc_georaster_query
  asis (TRUE|FALSE) "FALSE"
  georaster_table CDATA #REQUIRED
  georaster_column CDATA #REQUIRED
  raster_id CDATA #IMPLIED
  raster_table CDATA #IMPLIED
  raster_pyramid CDATA #IMPLIED
  raster_bands CDATA #IMPLIED
  datasource CDATA #IMPLIED
  polygon_mask CDATA #IMPLIED
  transparent_nodata CDATA #IMPLIED
  jdbc_host CDATA #IMPLIED
  jdbc_port CDATA #IMPLIED
  jdbc_sid CDATA #IMPLIED
  jdbc_user CDATA #IMPLIED
  jdbc_password CDATA #IMPLIED
  jdbc_srid CDATA #IMPLIED
  jdbc_mode (thin|oci8) "thin"
>

For detailed usage and reference information about GeoRaster themes, see GeoRaster Themes.