Uniform Car Maker
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Given a table of cars with columns id and make, write a query that outputs a random manufacturer’s name with an equal probability of selecting any name.
Input:
cars table
id |
make |
|---|---|
| 1 | Ford |
| 2 | Toyota |
| 3 | Toyota |
| 4 | Honda |
| 5 | Honda |
| 6 | Honda |
Output:
| Column | Type |
|---|---|
make |
Text |
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