数据库分库分表备份和shell脚本

#!/bin/bash

mysql=“mysql -uroot -p1234”

bei="mysqldump -uroot -p1234 "

ku=$mysql -e "show databases;"|sed 1d|egrep -v "schema|mysql|test"

for shu in $kudobiao=‘$mysql -e “show tables from $ku;”|sed 1d`
for tables in $biaodomkdir-p/opt/$(date +%F)
 
       $bei $shu $tables>/opt/$(date +%F)/KaTeX parse error: Expected group after '_' at position 4: shu_̲tables.sql   
done
done
 
定时任务
yum -y install crontab
编辑任务
crontab -e