sql里判断字段是否为空值

< DOCTYPE html PUBLIC -WCDTD XHTML StrictEN httpwwwworgTRxhtmlDTDxhtml-strictdtd>
SELECT *
FROM jmck_goods
WHERE (sjhgcyzt IS NULL) 判断sjhgcyzt 是不是为空值
posted @ 2007-04-17 13:23  netcorner  阅读(433)  评论(0编辑  收藏  举报