摘要：
https://blog.csdn.net/weixin_39180123/article/details/78720222 将表b 中的字段值 赋值给表a 字段值UPDATE powershu_aiops_biz_dev.aiops_cmdb_host a,bjetc_aiops_biz_depl 阅读全文
摘要：
查找 education_student_tmp_from_crpn 表中 stu_no 相同的数据 SELECT * FROM `education_student_tmp_from_crp` a WHERE (a.stu_no) IN ( SELECT stu_no FROM `educatio 阅读全文