Tiep Tran polskiTran
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| --Q1 | |
| ((SELECT bus."fromCity" FROM bus) | |
| INTERSECT | |
| (SELECT bus."toCity" FROM bus)) | |
| INTERSECT | |
| (SELECT city.name FROM city) | |
| -- Q2 | |
| SELECT b.number, b."toCity", s."arrivalTime" | |
| FROM Bus as b |