ubuntu14.04按照mysql5.7时间:2023-03-09 21:07:04 1.安装mysql5.5 https://www.cnblogs.com/zhuyp1015/p/3561470.html https://www.cnblogs.com/ruofengzhishang/p/5477502.html 2.升级到mysql5.7 https://blog.csdn.net/jxplus/article/details/72625090