How to determine the RDT name generated by sdo_geor.init()?

I've done the following in a stored procedure:
insert into ... values(sdo_geor.init()) returning newcol into gr;
Now, before I do anything with gr, I have to create the rdt whose name was generated by sdo_geor.init. How do I get that name? There doesn't seem to be a sdo_geor.get* procedure or function for returning this.
What I'm trying to do is implement this example of using sdo_geor.copy, but without specifying an rdt in sdo_geor.init():
DECLARE
gr1 sdo_georaster;
gr2 sdo_georaster;
BEGIN
INSERT INTO georaster_table VALUES (11, sdo_geor.init('RDT_11', 1))
RETURNING georaster INTO gr2;
SELECT georaster INTO gr1 from georaster_table WHERE georid=1;
sdo_geor.copy(gr1, gr2);
UPDATE georaster_table SET georaster=gr2 WHERE georid=11;
COMMIT;
END;
Alternatively, is there a way to generate a unique RDT name myself so that I can specify it in the call to sdo_geor.init?
Many thanks,
Mike

Mike,
the RDT table name is in the georaster object (gr) you just created. It's an attribute of sdo_georaster object, i.e., gr.RASTERDATATABLE in your case.
generally, automatically generating the RDT name thru sdo_geor.init is not recommended because that would generate an RDT for each GeoRaster object. An RDT table should be used to contain the raster blocks of many smaller GeoRaster objects while you devote a single RDT table for a huge GeoRaster object (an image with a size over tens of GB to many terabytes for example). Even though the RDT tables are internal to GeoRaster, the creation of the RDT table is done by users, which is intentional, so that you can fully leverage the configuration and tuning power of oracle database (for example, if ASM is not used, RDT tables may be created on different tablespaces so that the raster blocks are distributed to different disks to improve performance).
to generate unique RDT names, you can leverage the SEQUENCE object to create sequence numbers and then attach them to a special table name you picked up.
Regards,
Jeffrey

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