Click on 'CONNECT' tab, right click on 'Database' and select 'Create h2 server connection'
cm set "demo_cm_h2_server" {execute "db.h2.server.config.get" "[hostname]" "localhost, 127.0.0.1" "[port]" "9091" "[database]" "demo/db/h2/test_db" "[user]" "sa" "[password]" "sa" ;};
"1"Click on refrech button: