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superset2/docs/versioned_docs/version-6.1.0/databases/supported/clickhouse.mdx
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---
title: ClickHouse
sidebar_label: ClickHouse
description: "ClickHouse is an open-source column-oriented database for real-time analytics using SQL. It's known for extremely fast query performance on large datasets."
hide_title: true
---
{/*
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied. See the License for the
specific language governing permissions and limitations
under the License.
*/}
import { DatabasePage } from '@site/src/components/databases';
export const databaseInfo = {"time_grains":{"SECOND":false,"FIVE_SECONDS":false,"THIRTY_SECONDS":false,"MINUTE":true,"FIVE_MINUTES":true,"TEN_MINUTES":true,"FIFTEEN_MINUTES":true,"THIRTY_MINUTES":true,"HALF_HOUR":false,"HOUR":true,"SIX_HOURS":false,"DAY":true,"WEEK":true,"WEEK_STARTING_SUNDAY":false,"WEEK_STARTING_MONDAY":false,"WEEK_ENDING_SATURDAY":false,"WEEK_ENDING_SUNDAY":false,"MONTH":true,"QUARTER":true,"QUARTER_YEAR":false,"YEAR":true},"module":"superset.db_engine_specs.clickhouse","limit_method":1,"limit_clause":true,"joins":true,"subqueries":true,"alias_in_select":true,"alias_in_orderby":true,"time_groupby_inline":true,"alias_to_source_column":false,"order_by_not_in_select":true,"expressions_in_orderby":false,"cte_in_subquery":true,"max_column_name":null,"sql_comments":true,"escaped_colons":true,"masked_encrypted_extra":false,"column_type_mapping":true,"function_names":true,"user_impersonation":false,"file_upload":false,"get_extra_table_metadata":false,"dbapi_exception_mapping":true,"custom_errors":false,"dynamic_schema":true,"catalog":false,"dynamic_catalog":false,"ssh_tunneling":true,"query_cancelation":false,"get_metrics":false,"where_latest_partition":false,"expand_data":false,"query_cost_estimation":false,"sql_validation":false,"score":61,"max_score":201,"documentation":{"description":"ClickHouse is an open-source column-oriented database for real-time analytics using SQL. It's known for extremely fast query performance on large datasets.","logo":"clickhouse.png","homepage_url":"https://clickhouse.com/","categories":["Analytical Databases","Open Source"],"pypi_packages":["clickhouse-connect>=0.13.0"],"connection_string":"clickhousedb://{username}:{password}@{host}:{port}/{database}","default_port":8123,"drivers":[{"name":"clickhouse-connect (Recommended)","pypi_package":"clickhouse-connect>=0.13.0","connection_string":"clickhousedb://{username}:{password}@{host}:{port}/{database}","is_recommended":true,"notes":"Official ClickHouse Python driver with native protocol support."},{"name":"clickhouse-sqlalchemy (Legacy)","pypi_package":"clickhouse-sqlalchemy","connection_string":"clickhouse://{username}:{password}@{host}:{port}/{database}","is_recommended":false,"notes":"Older driver using HTTP interface. Use clickhouse-connect for new deployments."}],"connection_examples":[{"description":"Altinity Cloud","connection_string":"clickhousedb://demo:demo@github.demo.trial.altinity.cloud/default?secure=true"},{"description":"Local (no auth, no SSL)","connection_string":"clickhousedb://localhost/default"}],"install_instructions":"echo \"clickhouse-connect>=0.13.0\" >> ./docker/requirements-local.txt","compatible_databases":[{"name":"ClickHouse Cloud","description":"ClickHouse Cloud is the official fully-managed cloud service for ClickHouse. It provides automatic scaling, built-in backups, and enterprise security features.","logo":"clickhouse.png","homepage_url":"https://clickhouse.cloud/","categories":["Analytical Databases","Cloud Data Warehouses","Hosted Open Source"],"pypi_packages":["clickhouse-connect>=0.13.0"],"connection_string":"clickhousedb://{username}:{password}@{host}:8443/{database}?secure=true","parameters":{"username":"ClickHouse Cloud username","password":"ClickHouse Cloud password","host":"Your ClickHouse Cloud hostname","database":"Database name (default)"},"docs_url":"https://clickhouse.com/docs/en/cloud"},{"name":"Altinity.Cloud","description":"Altinity.Cloud is a managed ClickHouse service providing Kubernetes-native deployments with enterprise support.","logo":"altinity.png","homepage_url":"https://altinity.cloud/","categories":["Analytical Databases","Cloud Data Warehouses","Hosted Open Source"],"pypi_packages":["clickhouse-connect>=0.13.0"],"connection_string":"clickhousedb://{username}:{password}@{host}/{database}?secure=true","docs_url":"https://docs.altinity.com/"}],"category":"Analytical Databases"},"engine":"clickhousedb","engine_name":"ClickHouse","engine_aliases":[],"default_driver":"connect","supports_file_upload":false,"supports_dynamic_schema":true,"supports_catalog":false,"supports_dynamic_catalog":false};
<DatabasePage name="ClickHouse" database={databaseInfo} />