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Updated merge loading docs on scd2 strategy handling nested structures #2944

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Merged
AstrakhantsevaAA merged 2 commits into from
Aug 4, 2025
Merged

Updated merge loading docs on scd2 strategy handling nested structures #2944

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dat-a-man Jul 30, 2025
c2e353f
Update docs/website/docs/general-usage/merge-loading.md
AstrakhantsevaAA Jul 31, 2025
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6 changes: 6 additions & 0 deletions docs/website/docs/general-usage/merge-loading.md
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Expand Up @@ -461,6 +461,12 @@ pipeline.run(some_data()) # third run — 2024-01-03 10:30:05.750356
| 2024-01-03 03:01:11.943703 | NULL | 2024-01-02 | d |
| **2024-01-03 10:30:05.750356** | **NULL** | **2024-01-01** | **bb** |

### Handling nested structures with SCD type 2
To explore how SCD Type 2 handles nested JSON structures, refer to the hands-on demonstration provided in the Colab notebook linked below.

Execute all steps directly in your browser:
[Open in Colab.](https://colab.research.google.com/drive/1GpG3JKGWveB-kR7eNvlJLr6oO0nM7Fbv?usp=sharing)


### Example: configure validity column names
`_dlt_valid_from` and `_dlt_valid_to` are used by default as validity column names. Other names can be configured as follows:
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