Task 1: Return the total number of reviews
Task 2: Return all reviews submitted after 2016-5-1.
Task 3: Return product names under the category TV.
Task 4: Return the product name and average score.
Task 5: Return the names of product under the category TV and with average rating above 4.0
Task 6: Return names of products under the same category as Apple iPhone 6 Plus
Task 7: Return the name of user whose minimal review score is at least 4.5.
Task 8: Return the name of the laptop with the lowest weight (Hint: using subquery in where clause)
These solutions may offer step-by-step problem-solving explanations or good writing examples that include modern styles of formatting and construction of bibliographies out of text citations and references. Students may use these solutions for personal skill-building and practice. Unethical use is strictly forbidden.
-- Task 1: Return the total number of reviews
select count(*) from review;...
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