< 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 #数据库技术 相关文章: 2022-12-23 2021-12-10 2021-12-10 2022-02-28 2021-11-23 2022-12-23 2021-12-10