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23 lines
980 B
23 lines
980 B
#Lab - MySQL
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## Goal
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Find out how many flights go from NYC to Paris
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## Stretch Goals
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- Do this so that just the number appears as the result of only one SQL statement
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- Which airlines travel from NYC to Paris?
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- Find all the flights that leave NYC. Give me a list of how many go to each destination city.
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## Hints
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- The routes table has a column called `origin_id` and another called `destination_id`. These map to the `id` column in the airport table.
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- You're going to have to use the airports table twice in the same SQL statement. In order to tell which airport is the `destination` and which is the `origin`, you're going to have to temporarily rename the airports table like so:
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```sql
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/* note that once you rename a table, you MUST refer to it by its new name */
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SELECT * FROM airports AS origin WHERE origin.city = 'New York';
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/* later on in the SQL statement, when dealing with the destination, you should do the same for airports AS destination */
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```
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