d:\mysql\bin\mysqldump -uroot -pcreymm --all-databases > d:\mysql\%date:~0,4%%date:~5,2%%date:~8,2%%time:~0,2%%time:~3,2%%time:~6,2%%time:~9,2%.sql
把password替换为你的密码，然后存成backup.cmd 或者 backup.bat 就可以按日期存储备份了
d:\mysql\bin\mysqlcheck --all-databases --auto-repair -uroot -pcreymm 把password替换为你的密码，然后存成repair.cmd 或者 repair.bat 就可以修复所有数据库了

mysqldump -uroot -p --all-databases > d:\%date:~0,4%%date:~5,2%%date:~8,2%%time:~0,2%%time:~3,2%%time:~6,2%%time:~9,2%.sql

如果要用到IP地址，端口号的话
cd C:\Program Files\MySQL\MySQL Server 4.1\bin
mysqldump.exe -h127.0.0.1 -uroot -padmin!@# -P3307 -t plonesite >d:\plonesite-%date:~0,4%%date:~5,2%%date:~8,2%%time:~0,2%%time:~3,2%%time:~6,2%%time:~9,2%.sql