setBytes(String parameterName, byte[] x)
Syntax:
void setBytes(String parameterName,
              byte[] x)
              throws SQLException
                                        Description:
Sets the designated parameter to the given Java array of bytes. The driver converts this to an SQL VARBINARY or LONGVARBINARY (depending on the argument's size relative to the driver's limits on VARBINARY values) when it sends it to the database.
Parameters:
parameterName
the name of the parameter
x
the parameter value
Throws:
SQLException - if a database access error occurs, parameterName is not a valid parameter name, or the prepared statement has been closed
Reference:
For more information, reference JDBC documentation for: CallableStatement.setBytes(String, byte[])