Remove duplicate rows from a dataset, keeping first occurrence
Removes rows from dataset A whose key already appears in reference dataset B — a cross-dataset 'delete duplicates'. Rows in A with no match pass through.
| Field | Description |
|---|---|
| Dataset A (to clean)required | Which variable to use as the dataset to clean. |
| Dataset B (reference)required | Which variable to use as the reference dataset. |
| Output variable namerequired | Name this node's result so downstream nodes can select it. Auto-suggested; edit freely. |
Open the node's real configuration, run it on the sample below, and see the result. Nothing is saved.
Sample input · data
| a@x.com |
| b@x.com |
| c@x.com |
Sample input · reference
| b@x.com |
This is a live preview — the sample and results are temporary and never saved.