SQL-Kommandos der Anwendung radiozentrale select s.schemaname, t.tablename from SYS.SYSSCHEMAS as s, SYS.SYSTABLES as t where s.schemaid = t.schemaid and s.schemaname = 'APP' and t.tablename = 'SENDER' update app.keytable set key_next = ? where key_name = ? and key_next = ? select key_next from app.keytable where key_name = ?