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
时间类型DATE需要设置长度么?外键ID用vachar存储长度设置多长合适呢?
闭关修行中......
根据具体的时间格式来确定呗
根据具体的时间格式来确定呗