更新 '_posts/mysql.md'

添加图片

_posts/mysql.md

@@ -1,5 +1,11 @@
 ---
 title: MYSQL
 date: 2020-06-15
-cover: 
+cover: https://static.jqwei.com/blog/img/text/5.png
 ---
+## MYSQL相关
+
+### 查看是否有未提交的日志
+``` mysql
+    select * from information_schema.innodb_trx ；
+```