Open two connections C1 and C2. C2: select current_transaction from rdb$database; -- let's call the result T2 C2: commit;
C1: select rdb$get_transaction_cn(T2) from rdb$database; In Super C1 returns the commit number. In Classic it returns NULL. Adriano Firebird-Devel mailing list, web interface at https://lists.sourceforge.net/lists/listinfo/firebird-devel