Controls the SQL data type returned when XML columns and parameter markers are described.
The data length for XML values mapped to LOB types is the maximum length for the mapped data type.
When used in conjunction with the LongDataCompat keyword set to the value 1, XML values mapped to LOB data types will be mapped to the corresponding LONG data type as well.
Character types specified for MapXMLDescribe may result in data loss during data conversion if the application code page does not support all of the characters in the source data. Mapping XML values to character types, therefore, is only recommended with caution.
This keyword is recommended to provide compatibility with applications that access XML columns as CLOB or BLOB, or use Microsoft application development technologies.