This community-built FAQ covers the “Generalizations” exercise from the lesson “Manipulation”.
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FAQs on the exercise Generalizations
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I think it’d be easier to remember all these clauses if they were introduced in the following order:
We need to know how to view the data after adding, modifying, deleting rows and columns, to check whether we have done it correctly. So
SELECT is the first thing to learn.
CREATE (and discuss constraints)
The topic on constraints is a bit advanced, but it should come right after we learn
These three clauses all deal with rows. They should be taught together.
This one deals with columns, and in this sense is different from the above three on rows.