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# What is the difference between an overwrite and an incremental dataset?

When you upload a dataset, it is configured either in "overwrite" mode or in "incremental" mode.When creating a dataset, a choice must be made regarding data updates:

* Overwrite
* Incremental

### Overwrite dataset:

In an overwrite dataset, the uploaded file will replace the previous one.In a dataset configured for overwrite updates, you will need to add or replace the new results within your existing file.  
Therefore, you will need to upload a file containing ****all the results**** you wish to appear.

### Incremental dataset:

Conversely, a file configured as incremental will add new data to existing data.With such a configuration, be careful not to upload a file multiple times, as the data will be multiplied and therefore incorrect.  
In this case, you will only upload the ****new**** data.

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