一. mysql 数据库备份 sh 脚本

1. vim sqlback.sh

#!/bin/bashUSER="root"        #账号
PASSWORD="123456"  #密码
DATABASE="test"    #数据库名
BACKUP_DIR="/home/dev/mysql"   #备份存的目录
TIMESTAMP=$(date +"%F")        #带时间命名BACKUP_FILE="$BACKUP_DIR/$DATABASE-$TIMESTAMP.sql" mysqldump -u $USER -p$PASSWORD $DATABASE > $BACKUP_FILEif [ $? -eq 0 ]; thenecho "Backup succeeded: $BACKUP_FILE"
elseecho "Backup failed"
fi

2. chmod +x sqlback.sh

3. ./sqlback.sh

4. 执行完后会在 /home/dev/mysql 目录下生成备份文件

二. mysql 数据库恢复流程

1. 如果数据库没有存在，要先创建数据库

 mysql -u root -p -e "CREATE DATABASE test;"

2. vim sqlRestore.sh

#!/bin/bash# MySQL credentials
USER="root"             #账号
PASSWORD="123456"       #密码
DATABASE="test"         #数据库名
BACKUP_FILE="/home/dev/mysql/test-2024-06-04.sql.sql"   #数据库备份的目录# Run mysql to restore
mysql -u $USER -p$PASSWORD $DATABASE < $BACKUP_FILE# Check if the command succeeded
if [ $? -eq 0 ]; thenecho "Restore succeeded: $DATABASE"
elseecho "Restore failed"
fi

2. chmod +x sqlRestore.sh

3. ./sqlRestore.sh

4. 恢复成功