Instead of using OSQL as the underlying engine of the 'Run SQL' module,
why not use ODBC/ ADO.
The biggest advantage of this is that you can pass Visual Build variables directly into your SQL script (And get them out without having to parse the Visual build log script)
This limitation has proved to be a big obstacle for us.
We got over the problem by using ADO in a JScript scripting module.

Admin note: ADO action added in v6.0