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docs/cn/tutorials/migrate/migrating-from-mysql-with-addax.md

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+---
+title: 使用 Addax 从 MySQL 迁移数据
+---
+
+在本教程中，您将使用 Addax 从 MySQL 加载数据到 Databend。开始前，请确保您已在环境中成功部署 Databend、MySQL 和 Addax。
+
+1. 在 MySQL 中创建一个用于数据加载的 SQL 用户，然后创建表并填充示例数据。
+
+```sql title='在 MySQL 中执行:'
+mysql> create user 'mysqlu1'@'%' identified by '123';
+mysql> grant all on *.* to 'mysqlu1'@'%';
+mysql> create database db;
+mysql> create table db.tb01(id int, col1 varchar(10));
+mysql> insert into db.tb01 values(1, 'test1'), (2, 'test2'), (3, 'test3');
+```
+
+2. 在 Databend 中创建对应的目标表。
+
+```sql title='在 Databend 中执行:'
+databend> create database migrated_db;
+databend> create table migrated_db.tb01(id int null, col1 String null);
+```
+
+3. 将以下代码复制到文件并保存为 _mysql_demo.json_：
+
+:::note
+可用参数及说明请参考文档：https://wgzhao.github.io/Addax/develop/writer/databendwriter/#_2
+:::
+
+```json title='mysql_demo.json'
+{
+  "job": {
+    "setting": {
+      "speed": {
+        "channel": 4
+      }
+    },
+    "content": {
+      "writer": {
+        "name": "databendwriter",
+        "parameter": {
+          "preSql": ["truncate table @table"],
+          "postSql": [],
+          "username": "u1",
+          "password": "123",
+          "database": "migrate_db",
+          "table": "tb01",
+          "jdbcUrl": "jdbc:mysql://127.0.0.1:3307/migrated_db",
+          "loadUrl": ["127.0.0.1:8000", "127.0.0.1:8000"],
+          "fieldDelimiter": "\\x01",
+          "lineDelimiter": "\\x02",
+          "column": ["*"],
+          "format": "csv"
+        }
+      },
+      "reader": {
+        "name": "mysqlreader",
+        "parameter": {
+          "username": "mysqlu1",
+          "password": "123",
+          "column": ["*"],
+          "connection": [
+            {
+              "jdbcUrl": ["jdbc:mysql://127.0.0.1:3306/db"],
+              "driver": "com.mysql.jdbc.Driver",
+              "table": ["tb01"]
+            }
+          ]
+        }
+      }
+    }
+  }
+}
+```
+
+4. 运行 Addax：
+
+```shell
+cd {YOUR_ADDAX_DIR_BIN}
+./addax.sh -L debug ./mysql_demo.json
+```
+
+完成后，您可以在 Databend 中验证数据加载结果：
+
+```sql
+databend> select * from migrated_db.tb01;
++------+-------+
+| id   | col1  |
++------+-------+
+|    1 | test1 |
+|    2 | test2 |
+|    3 | test3 |
++------+-------+
+```