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Databases

Wording issue in 'reporting-with-sql/date-and-time-functions/calculating-dates-2'.

Wording issue in 'reporting-with-sql/date-and-time-functions/calculating-dates-2'. If you read the question it can be inferred that the expectation is to pass status = 'shipped' AND ordered_on = DATE("now", "-1 day") in the where clause.

However based on the table names you can only safely assume the item was ordered_on and that the status is shipped. You can't assume the shipped_on date would necessarily be the same as the ordered_on date. Since there is no shipped_on column the question seems strange.

The question should be clarified to: Count the total number of orders that have the status of shipped *and were ordered* yesterday. Alias it to shipped_ordered_yesterday. Especially on mobile the expectation is unclear. I read it originally as if I should do status = 'shipped_yesterday' because the font is not "code formatted" around that statement on android app.

Another approach would be to just changed the ordered_on column to shipped_on.

Tagging Andrew Chalkley