When do you use which in general? Examples are highly encouraged!
I am referring so MySql, but can’t imagine the concept being different on another DBMS
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When do you use which in general? Examples are highly encouraged!
I am referring so MySql, but can’t imagine the concept being different on another DBMS
ORDER BY alters the order in which items are returned.
GROUP BY will aggregate records by the specified columns which allows you to perform aggregation functions on non-grouped columns (such as SUM, COUNT, AVG, etc).