The CommitOnPost property should not be a factor. Committing allows your updates to be visible to others in the database. All your issue at this point remain local to your session.
What Primary Keys are propogating from Master to Detail to join the tables together? Are they values from sequences?
I'm trying to get a large string parameter back to my C++ Builder program. As soon as the length of returning string goes over 4103 bytes, I'm getting an EOracleError with message 'ORA-06502: PL/SQL:numeric or value error:character string buffer too small'
The code fragment is below. I started...