ClickHouse/docs/zh/interfaces/mysql.md

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---
machine_translated: true
machine_translated_rev: b111334d6614a02564cf32f379679e9ff970d9b1
toc_priority: 20
toc_title: "MySQL\u63A5\u53E3"
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---
# MySQL接口 {#mysql-interface}
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ClickHouse支持MySQL线协议。 它可以通过启用 [mysql\_port](../operations/server_configuration_parameters/settings.md#server_configuration_parameters-mysql_port) 在配置文件中设置:
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``` xml
<mysql_port>9004</mysql_port>
```
使用命令行工具连接的示例 `mysql`:
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``` bash
$ mysql --protocol tcp -u default -P 9004
```
如果连接成功,则输出:
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``` text
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 4
Server version: 20.2.1.1-ClickHouse
Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql>
```
为了与所有MySQL客户端兼容建议使用以下命令指定用户密码 [双SHA1](../operations/settings/settings_users.md#password_double_sha1_hex) 在配置文件中。
如果使用用户密码指定 [SHA256](../operations/settings/settings_users.md#password_sha256_hex)一些客户端将无法进行身份验证mysqljs和旧版本的命令行工具mysql
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限制:
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- 不支持准备好的查询
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- 某些数据类型以字符串形式发送
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[原始文章](https://clickhouse.tech/docs/en/interfaces/mysql/) <!--hide-->