中有如下命令序列: SELECT A USE DEMO1 SELECT B USE DEMO2 SET RELATION TO RECNO()INTO A SELECT C USE DEMO3 SET RELATION TO RECNO()INTO B SELECT B GO 8 ? RECN0(),RECNO(),RECNO()执行此段之后,屏幕显示的记录号是
单选题
中有如下命令序列: SELECT A USE DEMO1 SELECT B USE DEMO2 SET RELATION TO RECNO()INTO A SELECT C USE DEMO3 SET RELATION TO RECNO()INTO B SELECT B GO 8 ? RECN0(),RECNO(),RECNO()执行此段之后,屏幕显示的记录号是