29. The computer readable storage medium of claim 28 , further including instructions for performing: based on determining a database representation for the XML datatype, generating Data Description Language (DDL) code to execute to create one or more indexes for the one or more base structures.
30. The computer readable storage medium of claim 29 , further comprising instructions for performing: generating comments for the DDL code to execute to create one or more indexes for the base structures, wherein the comments include a reason why the database representation was determined.