1.ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
https://blog.csdn.net/qq_32786873/article/details/79225039
2.ERROR 2003 (HY000): Can't connect to MySQL server on 'localhost' (10061)
https://blog.csdn.net/BigData_Mining/article/details/88344513
3.ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)
https://blog.csdn.net/u014520039/article/details/50949672
4.'mysql' 不是内部或外部命令,也不是可运行的程序 或批处理文件