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Posted May 3, 2016 9:11pm by

Shouldn't there be a column titled 'shipped_on'?

Why does the time when an order was placed affect the shipping date? Wouldn't it make more sense to have a column of when it was ordered, the status, and also a shipping date?

2 Answers

May 14, 2016 11:30pm

I thought the same thing myself. But it's just a simple example for doing a few SQL queries, not an example of database design for a specific purpose.

If you or I were building this database, we'd have separate columns for order date and shipping date.