Nice article, but you should have added the difference between is null and = null.  That is another common mistake that I see a lot in code.

Another, even harder...

I have managed to get my processes running by ISQL command line redirect of output to a file. I still would like to know if there is a way...

I am using commercially provided (encrypted) procedures that are not completely clean in what is returned. Sometimes I get a print result.

When I process a large amount of records,...