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innodb默认是行锁的，当有一个人去读取一条数据时，其他人还可以去读取这条数据吗，还是说只有等第一个人读取完了第二个人才能去读取呢？
普通查询没有任何锁机制。
http://m.blog.csdn.net/articl...
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
普通查询没有任何锁机制。