Hi Vova,
I believe, it should be possible using the ADO scripting objects (
ADO.Connection and others).
I've found some code examples of using PS/SQL with ADO on the Internet:
http://support.microsoft.com/kb/255043http://brynthomas.com/examples/ADODemo.htmlhttp://stackoverflow.com/questions/2373401/with-ado-how-do-i-call-an-oracle-pl-sql-block-and-specify-input-output-bind-varThe code is in VBScript and Visual Basic, but I hope, they will help you get the idea and will serve as a starting point.
We also have some TestComplete script samples for interacting with SQL Server databases — I think, working with PS/SQL should be similar:
http://smartbear.com/search/?SearchQuery=sql&product=TestComplete&doctype=How%20To&tab=supportHope this helps!