Retrieves the value of the designated JDBC BLOB parameter as a java.sql.Blob object in the Java programming language.

Parameters:

parameterIndex

the first parameter is 1, the second is 2, and so on

Returns:  the parameter value as a Blob object in the Java programming language. If the value was SQL NULL, the value null is returned.

Exceptions:

SQLException		if the parameterIndex is not valid; 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:  1.2