目录引言undo log的作用MVCC的实现有以下几个重要因素如何根据这些因素判断数据值?可重复读和已提交读区别?串行化隔离级别的实现幻读和可重复读的区别?为什么已提交读隔离级别不能和statement格式binlog一起使用?
I need to delete all the lines on a subplot, to then redr开发者_如何学Pythonaw them (i\'m making a redraw function to be used when i add/remove some lines)