MySQL将一张表的某些列数据,复制到另外一张表 INSERT INTO t_topic_content(content,topicId) SELECT content,id FROM t_topic; 注意:给某一列数据赋值,自增长,那么就不应该插入数据了 MySQL将一张表的某些列数据,复制到另外一张表,并且修改某些内容.方法同上, 只是查询的时候使用REPLACE(str,from_str,to_str) 函数 INSERT INTO t_topic_content(content,t
1.安装guestfish yum install libguestfs-tools 注意,如果要修改windows镜像需要安装 yum install libguestfs-winsupport 2.修改配置文件:/etc/libvirt/qemu.conf user = "root" # The group for QEMU processes run by the system instance. It can be # specified in a similar way to