mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-29 19:12:03 +00:00
47 lines
2.1 KiB
Markdown
47 lines
2.1 KiB
Markdown
---
|
|
toc_folder_title: F.A.Q.
|
|
toc_hidden: true
|
|
toc_priority: 76
|
|
---
|
|
|
|
# ClickHouse F.A.Q {#clickhouse-f-a-q}
|
|
|
|
This section of the documentation is a place to collect answers to ClickHouse-related questions that arise often.
|
|
|
|
Categories:
|
|
|
|
- **[General](../faq/general/index.md)**
|
|
- [What is ClickHouse?](../index.md#what-is-clickhouse)
|
|
- [Why ClickHouse is so fast?](../faq/general/why-clickhouse-is-so-fast.md)
|
|
- [Who is using ClickHouse?](../faq/general/who-is-using-clickhouse.md)
|
|
- [What does “ClickHouse” mean?](../faq/general/dbms-naming.md)
|
|
- [What does “Не тормозит” mean?](../faq/general/ne-tormozit.md)
|
|
- [What is OLAP?](../faq/general/olap.md)
|
|
- [What is a columnar database?](../faq/general/columnar-database.md)
|
|
- [Why not use something like MapReduce?](../faq/general/mapreduce.md)
|
|
- **[Use Cases](../faq/use-cases/index.md)**
|
|
- [Can I use ClickHouse as a time-series database?](../faq/use-cases/time-series.md)
|
|
- [Can I use ClickHouse as a key-value storage?](../faq/use-cases/key-value.md)
|
|
- **[Operations](../faq/operations/index.md)**
|
|
- [Which ClickHouse version to use in production?](../faq/operations/production.md)
|
|
- [Is it possible to delete old records from a ClickHouse table?](../faq/operations/delete-old-data.md)
|
|
- **[Integration](../faq/integration/index.md)**
|
|
- [How do I export data from ClickHouse to a file?](../faq/integration/file-export.md)
|
|
- [What if I have a problem with encodings when connecting to Oracle via ODBC?](../faq/integration/oracle-odbc.md)
|
|
|
|
{## TODO
|
|
Question candidates:
|
|
- How to choose a primary key?
|
|
- How to add a column in ClickHouse?
|
|
- Too many parts
|
|
- How to filter ClickHouse table by an array column contents?
|
|
- How to insert all rows from one table to another of identical structure?
|
|
- How to kill a process (query) in ClickHouse?
|
|
- How to implement pivot (like in pandas)?
|
|
- How to remove the default ClickHouse user through users.d?
|
|
- Importing MySQL dump to Clickhouse
|
|
- Window function workarounds (row_number, lag/lead, running diff/sum/average)
|
|
##}
|
|
|
|
{## [Original article](https://clickhouse.tech/docs/en/faq) ##}
|