text: -- Copyright 2004-2019 H2 Group. Multiple-Licensed under the MPL 2.0,
  -- and the EPL 1.0 (http://h2database.com/html/license.html).
  -- Initial Developer: H2 Group
  --
  
  create memory table test(id int primary key, name varchar(255));
  > ok
  
  insert into test values(1, 'Hello');
  > update count: 1
  
  select char(null) en, char(65) ea from test;
  > EN   EA
  > ---- --
  > null A
  > rows: 1
  