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26 lines
986 B
Markdown
26 lines
986 B
Markdown
<a name="table_functions-jdbc"></a>
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# jdbc
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`jdbc(jdbc_connection_uri, schema, table)` - возвращает таблицу, соединение с которой происходит через JDBC-драйвер.
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Для работы этой табличной функциии требуется отдельно запускать приложение clickhouse-jdbc-bridge.
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Данная функция поддерживает Nullable типы (на основании DDL таблицы к которой происходит запрос).
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**Пример**
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``` sql
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SELECT * FROM jdbc('jdbc:mysql://localhost:3306/?user=root&password=root', 'schema', 'table')
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```
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``` sql
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SELECT * FROM jdbc('mysql://localhost:3306/?user=root&password=root', 'schema', 'table')
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```
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``` sql
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SELECT * FROM jdbc('datasource://mysql-local', 'schema', 'table')
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```
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[Оригинальная статья](https://clickhouse.yandex/docs/ru/query_language/table_functions/jdbc/) <!--hide-->
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