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rem Æô¶¯Êý¾Ý¿â£¬È»ºóÔÙ±¸·Ý
if  not ERRORLEVEL 0 goto backup
@echo Trying to net start mysql
:backup
mysqldump -uroot  mysql >back_%date:~4%.sql
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# mysqldump [options] database [tables]
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1¡¢´´½¨±£´æ±¸·ÝÎļþµÄ·¾¶/mysqldata 
#mkdir /mysqldata 
2¡¢´´½¨/usr/sbin/bakmysqlÎļþ 
#vi /usr/sbin/bakmysql 
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rq=` date +%Y%m%d ` 
tar zcvf /mysqldata/mysql$rq.tar.gz /var/lib/mysql 
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rq=` date +%Y%m%d ` 
mysqldump --all-databases -u root -p980405 > /mysqldata/mysql$rq.tar.gz 
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# chmod +x /usr/sbin/bakmysql 
4¡¢ÐÞ¸Ä/etc/crontab 
#vi /etc/crontab 
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