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Merge pull request #42016 from peter279k/improve_mysql_interface_setting

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Improve the MySQL interface usage description
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Sergei Trifonov 2022-10-03 15:04:15 +02:00 committed by GitHub
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docs/en/interfaces/mysql.md
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@ -6,16 +6,32 @@ sidebar_label: MySQL Interface
# MySQL Interface
ClickHouse supports MySQL wire protocol. It can be enabled by [mysql_port](../operations/server-configuration-parameters/settings.md#server_configuration_parameters-mysql_port) setting in configuration file:
ClickHouse supports MySQL wire protocol. To enable the MySQL wire protocol, add the [mysql_port](../operations/server-configuration-parameters/settings.md#server_configuration_parameters-mysql_port) setting to your server's configuration file. For example, you could define the port in a new XML file in your `config.d` folder:
``` xml
<mysql_port>9004</mysql_port>
<clickhouse>
<mysql_port>9004</mysql_port>
</clickhouse>
```
Example of connecting using command-line tool `mysql`:
Startup your ClickHouse server and look for a log message similar to the following that mentions Listening for MySQL compatibility protocol:
```
{} <Information> Application: Listening for MySQL compatibility protocol: 127.0.0.1:9004
```
## Connect mysql to ClickHouse
The following command demonstrates how to connect the MySQL client `mysql` to ClickHouse:
```bash
mysql --protocol tcp -h [hostname] -u [username] -P [port_number] [database_name]
```
For example:
``` bash
$ mysql --protocol tcp -u default -P 9004
$ mysql --protocol tcp -h 127.0.0.1 -u default -P 9004 default
```
Output if a connection succeeded: