Yes, of course.
The post I refered to is
I am very happy to were able to unblock youThank you for the PL/SQL Examples. I think they are very helpful for other users trying to get Custom SQL running.
And the documentation was only this line that @aeckstein wrote that I had missed. The answer was right there. “I didn’t see the tree because of the forest of words”!
Important: It is only possible to query own SQL queries under Linux, AIX and Solaris. Under Windows this option is not available.
Thank you all for your input.
/r