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From: "YUN-PC5\\user" <bmdzh11713@163.com>
Date: Tue, 14 Mar 2023 17:00:26 +0800
Subject: [PATCH] =?UTF-8?q?=E6=8F=90=E4=BA=A4?=
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+# MySQL
+
+## mysqldump备份数据库
+
+### 备份实例下的所有库
+
+```shell
+mysqldump -uroot -p -A > all.sql
+```
+
+### 备份单个指定数据库
+
+```shell
+mysqldump -uroot -p test > test.sql
+```
+
+### 备份多个指定数据库
+
+```shell
+mysqldump -uroot -p test1 test2 > test12.sql
+```
+
+### 备份指定数据库中的单个表
+
+```shell
+mysqldump -uroot -p test user > test.user.sql
+```
+
+### 备份指定数据库中的多个表
+
+```shell
+mysqldump -uroot -p test user role > test.ur.sql
+```
+
+### 备份数据库表结构只包含DDL语句
+
+```shell
+# --no-data 或 -d
+mysqldump -uroot -p test --no-data > test.sql
+```
+
+### 备份数据库带库名
+
+```shell
+mysqldump -uroot -p -B test > test.sql
+```
+