Train Passengers Departing Vienna
A transport dispatcher is compiling the list of passengers departing Vienna to hand off to station personnel. Output the names of every passenger whose route starts in Vienna, with no duplicates and sorted alphabetically.
Expected output sample
This is what a correct answer looks like — its row count is its own, it doesn't have to match the schema tables.
| name |
|---|
| Anna Novak |
| Bjorn Eriksson |
| Elena Kovac |
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