库1 gxjob
库2 funshixi
SELECT a.`company_id`,b.`companyname` FROM `gxjob`.`qj_activity_thousands_of_schools` AS a LEFT JOIN `funshixi`.`qj_company` AS b ON a.company_id = b.companyid;
posted on 2018-07-02 18:49 头大的冯冯 阅读(190) 评论(0) 编辑 收藏 举报