SQL> select st_transform(shape,51) 2 from parks_st 3 where objectid = 1; select st_transform(shape,51) * ERROR at line 1: ORA-20603: Spatial References are not compatible. ORA-06512: at "SDE.ST_GEOMETRY_SHAPELIB_PKG", line 752 ORA-06512: at "SDE.ST_GEOMETRY_OPERATORS", line 1882
If the datums of the source and destination spatial references are different, then ST_Transform fails with the error referenced above.
This is true of the implementations of ST_Transform on Oracle, IBM DB2, and IBM Informix.
Only use ST_Transform with source and destination spatial references that have the same datum.
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