595| 2
|
请问:SELECT CASE能判断值是否为NULL吗?我用Is=Null没反应! |
| ||
| ||
| ||
|站长邮箱|小黑屋|手机版|Office中国/Access中国 ( 粤ICP备10043721号-1 )
GMT+8, 2025-1-11 06:12 , Processed in 0.099819 second(s), 27 queries .
Powered by Discuz! X3.3
© 2001-2017 Comsenz Inc.