Computers and Technology, 23.08.2019 18:30 chrissycherry
The following sql statement contains what type of subquery? select b. title, b. retail, a. category, a. cataverage from books b, (select category, avg(retail) cataverage from books group by category) a where b. category = a. category;
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The following sql statement contains what type of subquery? select b. title, b. retail, a. category...
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