CREATE TABLE ply (objectid     NUMBER(*,0),  
                 query_source NVARCHAR2(255), 
                 shape        SDO_GEOMETRY)
                        Table created.
INSERT INTO user_sdo_geom_metadata (table_name,column_name,diminfo,srid)  
VALUES ( 
   'ply', 
   'SHAPE', 
   sdo_dim_array( 
       sdo_dim_element(NULL, 1, 100, 0.001),  
       sdo_dim_element(NULL, 1, 100, 0.001) 
   ), 
   26917 
   )
                        ORA-13223: duplicate entry for ply.SHAPE in SDO_GEOM_METADATA ORA-06512: at "MDSYS.MD", line 1723 ORA-06512: at "MDSYS.MDERR", line 17 ORA-06512: at "MDSYS.SDO_GEOM_TRIG_INS1", line 69 ORA-06512: at "SYS.DBMS_SQL", line 1721More Details: https://docs.oracle.com/error-help/db/ora-13223
CREATE INDEX ply_shape ON ply (shape) INDEXTYPE IS mdsys.spatial_index
                        ORA-29855: error occurred in the execution of ODCIINDEXCREATE routine ORA-06512: at "MDSYS.SDO_INDEX_METHOD_10I", line 10More Details: https://docs.oracle.com/error-help/db/ora-29855