2個數據庫
對應的語句是
SELECT *
FROM mission
WHERE wechatid NOT IN (SELECT wechatid FROM judge WHERE openid=1);
取出改openid沒有關注過的wxchatid
2個數據庫
對應的語句是
SELECT *
FROM mission
WHERE wechatid NOT IN (SELECT wechatid FROM judge WHERE openid=1);
取出改openid沒有關注過的wxchatid