WDSQL 0.6 had been updated (2015/02/21):
http://www.wdsibyl.org/index.php?module=Downloads&func=display&lid=95&lang=en
"Commandline-program written with the new WDSibyl Version 4.0 library.
You can connect to a database via unixODBC and execute SQL-statements."
Source: eCSoft/2