Hello
Using a table that lists people and the zipcode where they live, I
need to compute the percentage of those living in, say, NYC.
I googled for this, but I'm not sure how to do this in SQLite.
I wonder if it's done through a sub-query or maybe some temporary
variable?
This computes the absolute:
SELECT COUNT(rowid) FROM people WHERE zip="12345";
Thank you.
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