Retrieves the value of the designated SQL XML parameter as a java.sql.SQLXML object in the Java programming language.

Parameters:

parameterName

the name of the parameter

Returns:  a SQLXML object that maps an SQL XML value

Exceptions:

SQLException		if parameterName does not correspond to a named parameter; if a database access error occurs or this method is called on a closed CallableStatement
SQLFeatureNotSupportedException		if the JDBC driver does not support this method

Since:  1.6