>TRY > USE MyExternalTable IN 0 ALIAS MyTable >CATCH > *** The External Table don't exists > USE MyInternalTable IN 0 ALIAS MyTable >ENDTRY >Can't do that that simply, because this table needs to be in the exe for the next build... so I'll have to write any edits into a temp table, then update from that when in IDE. Or something like that. IOW, no simple solutions, only workarounds.