I have a piece of code which does a Buffer-Copy method, but is there any way to check before doing the buffer copy of the record already exists? I do not want to check 'unique keys' in my data dictionary. This is the code I have at this moment: CREATE QUERY hQuery. hQuery:SET-BUFFERS(hBuffer). hQuery:QUERY-PREPARE("FOR EACH " + hBuffer:NAME + " NO-LOCK "). hQuery:QUERY-OPEN(). hQuery:GET-FIRST(). DO WHILE NOT hQuery:QUERY-OFF-END: DO TRANSACTION ON ERROR UNDO: hDBBuffer:BUFFER-CREATE(). hDBBuffer:BUFFER-COPY(hBuffer) NO-ERROR. Continue reading...