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| CLIENTE | TELEFONO | PATENTE1 | PATENTE2 | PATENTE3 | PATENTE4 |
|---|---|---|---|---|---|
| tercero | 11012345677 | AB123CD2 | ABC1232 | ABC123B2 | ABC1252 |
| stack | 11012345678 | AB123CD | ABC123 | ABC125 | null |
| otro | 11012345679 | ABC123B | ABC125B | null | null |
Warning: Null value is eliminated by an aggregate or other SET operation.