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+---
+title: "MySQL8 InnoDB 数据恢复"
+description: ""
+lead: ""
+date: 2024-04-30T08:51:56Z
+lastmod: 2024-04-30T08:51:56Z
+draft: false
+weight: 50
+contributors: [clannadzsy]
+url: "/blog/429417542/"
+---
+
+# MySQL8 InnoDB 数据恢复
+
+~~ 硬盘突然损坏, 数据侥幸得以导出 ~~
+
+1. 前提条件
+
+   1.1 提前创建好表的结构 `sql`, 执行 `sql` 恢复表的结构
+
+   1.2 然后使用 `table_name.ibd `的文件覆盖, 最好是一张表恢复成功再覆盖下一张
+
+2. 找到 `mysql` 安装目录文件夹, 进入需要恢复的数据库的`database_name`文件夹
+
+3. 将 `table_name.ibd` 复制进去, 修改文件为所属为 `mysql`
+
+      ```bash
+      sudo chown mysql:mysql <table_name>.ibd
+      ```
+
+4. ```bach
+   mysql -u root -p
+   ```
+
+5. ```mysql
+   user <database_name>;
+   ```
+
+6. ```mysql
+   ALTER TABLE <table_name> DISCARD TABLESPACE;
+   ```
+
+7. ```mysql
+   ALTER TABLE <table_name> IMPORT TABLESPACE;
+   ```
+
+8. ```mysql
+   # 验证数据是否恢复成功
+   select * from  crocodile_user limit 1;
+   ```
+
+   
+
+
+​	
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