> ## Documentation Index
> Fetch the complete documentation index at: https://private-7c7dfe99-vortex-format.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# chDB guides

> Index page for chDB guides

Take a look at our chDB developer guides below:

| Page                                                                            | Description                                                                                   |
| ------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------- |
| [How to query a remote ClickHouse server](/chdb/guides/query-remote-clickhouse) | In this guide, we will learn how to query a remote ClickHouse server from chDB.               |
| [How to query Apache Arrow with chDB](/chdb/guides/querying-apache-arrow)       | In this guide, we will learn how to query Apache Arrow tables with chDB                       |
| [How to query data in an S3 bucket](/chdb/guides/querying-s3-bucket)            | Learn how to query data in an S3 bucket with chDB.                                            |
| [How to query Pandas DataFrames with chDB](/chdb/guides/querying-pandas)        | Learn how to query Pandas DataFrames with chDB                                                |
| [How to query Parquet files](/chdb/guides/querying-parquet)                     | Learn how to query Parquet files with chDB.                                                   |
| [JupySQL and chDB](/chdb/guides/jupysql)                                        | How to install chDB for Bun                                                                   |
| [Key differences from pandas](/chdb/guides/pandas-differences)                  | Important differences between DataStore and pandas                                            |
| [Migration from pandas](/chdb/guides/migration-from-pandas)                     | Step-by-step guide to migrate from pandas to DataStore                                        |
| [Pandas cookbook](/chdb/guides/pandas-cookbook)                                 | Common pandas patterns and their DataStore equivalents                                        |
| [Performance guide](/chdb/guides/pandas-performance)                            | Performance optimization tips for DataStore vs pandas                                         |
| [Python user-defined functions (UDF)](/chdb/guides/python-udf)                  | Create native Python UDFs in chDB with typed arguments, NULL handling, and exception control. |
| [SQL for pandas users](/chdb/guides/pandas-to-sql)                              | Understanding how pandas operations map to SQL in DataStore                                   |
| [Using a clickhouse-local database](/chdb/guides/clickhouse-local)              | Learn how to use a clickhouse-local database with chDB                                        |