I have recognized a different behaviour in handling substitution variables between the Command Window and SQLplus:
I try to submit the commit or rollback command by using it as content of a substitution variable.
In the command window the following works:
SQL> define bestaetigen=rollback
SQL>...
Is it possible to save the contents and layout of diagrams in PL/SQL-Developer 7?
Can the diagrams be printed?
Can I change diagrams after I have saved them once?