Retrieves the value of the designated JDBC REF(<structured-type>)
parameter as a java.sql.Ref
object in the Java programming language.
parameterIndex | the first parameter is 1, the second is 2, and so on |
Ref
object in the
Java programming language. If the value was SQL NULL
, the value
null
is returned.
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 |
Diagram: Statement