> ## Documentation Index
> Fetch the complete documentation index at: https://docs.graphext.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Join And Combine

| Step                                                           | Fast | Description                                                              |
| -------------------------------------------------------------- | ---- | ------------------------------------------------------------------------ |
| [append\_rows](/api-docs/prepare/join_and_combine/append_rows) |      | Add rows from one dataset to another                                     |
| [join](/api-docs/prepare/join_and_combine/join)                |      | Join two datasets on their row indexes or on values in specified columns |