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In case you're not using "set @rownum = 0;", you'll need "(select @rownum := 0) r" then. Otherwise, it will print NULLs. The r alias is needed to avoid errors when you have a subquery. Also, I am a novice currently learning SQL as well.
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In case you're not using "set @rownum = 0;", you'll need "(select @rownum := 0) r" then. Otherwise, it will print NULLs. The r alias is needed to avoid errors when you have a subquery. Also, I am a novice currently learning SQL as well.