84669 person learning
152542 person learning
20005 person learning
5487 person learning
7821 person learning
359900 person learning
3350 person learning
180660 person learning
48569 person learning
18603 person learning
40936 person learning
1549 person learning
1183 person learning
32909 person learning
就是在A服务器上,备份数据库,看大小为10M。然后还原到B服务器上,数据库再备份出来,看大小就9M了。这怎么回事?谢谢了