标签:not ble 语句 and bsp table 无法 HERE sel
判断数据库字段不为空的语句:
判断 数据库字段 :不为空、 不为null 、不为" "
——使用语句: trim(columnA ) != ‘‘
select * from table where module=‘XX‘ and trim(columnA ) != ‘‘
(columnA is not null 无法过滤 字段为空的情况。)
标签:not ble 语句 and bsp table 无法 HERE sel
原文地址:https://www.cnblogs.com/shenxiaolin/p/14253133.html