mysql备份每个库下面每个表

2022-08-03 16:44:40

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#!/bin/bash
   MYUSER="root"
  MYPASS="123456"
  HOST="localhost"
  BACKUPDIR="/backup_mysql"
  DATE=`date -I`
  RETENTION=20
#MYSQLDATA="/var/lib/mysql"
[ ! -d $BACKUPDIR/$DATE ] && mkdir -p $BACKUPDIR/$DATE
DBS=`mysql -u$MYUSER -p$MYPASS -Bse "show databases"|grep -v "information_schema" |grep -v "test"`
for db_name in $DBS
   do
     mkdir -p $BACKUPDIR/$DATE/$db_name
     tables=`mysql -u$MYUSER -p$MYPASS -Bse "use $db_name;show tables"`
     for table_name in $tables
       do
     mysqldump -u$MYUSER -p$MYPASS -h$HOST --single-transaction --master-data=2 $db_name $table_name >$BACKUPDIR/$DATE/$db_name/$table_name.sql
     done
  done

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