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| id1 | color1 | id2 | color2 |
|---|---|---|---|
| 1 | Blue | 3 | Blue |
| 2 | Red | 6 | Red |
Warning: Null value is eliminated by an aggregate or other SET operation.
| id1 | color1 | id2 | color2 |
|---|---|---|---|
| 1 | Blue | 3 | Blue |
| 2 | Red | 6 | Red |
Warning: Null value is eliminated by an aggregate or other SET operation.