Question
Assume you are given a table for spending activity by product type which has column names as order_id, user_id, product_id, spend, date . How to write a query to calculate the cumulative spend for each product over time in chronological ...
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Anonymous 3 years 2 Answers 1018 views

Sorry it's a private question.

Question
Table A ColX 1 1 Table B ColY 1 1 1 1 1 What will be the count of rows when: (for Table A and Table B) left join right join inner join cross join full outer join
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3 years 0 Answers 900 views Newbie