摘要:
LENGTH 函数 ##查询有邀请人的记录数 684SELECT count(*)from u_userinfoWHERE LENGTH(invitememberid) > 0 阅读全文
摘要:
# 查询分组数 SELECT count(*) from (SELECT count(*) as countnum from u_userinfoWHERE LENGTH(invitememberid) > 0GROUP BY memberid ) t 阅读全文