Question: Go to Sakila database. Answer this question based on it. Say you wanted to summarize the average sale amount by store (and its address). Joining
Go to Sakila database. Answer this question based on it. Say you wanted to summarize the average sale amount by store (and its address). Joining and including the store table the ordinary way will yield an error if left unmodified. What you need to do is specify GROUP BY constraints within your query.
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