Topic	Replies	Views	Activity
Not getting an expected result, What is the problem with this query? Q&A 189 , 189-4 , sql-joins-relations	1	152	July 18, 2021
4. Combining Multiple Joins with Subqueries. COUNT(*) VS COUNT(il.quantity) IT WORKS! DQ Courses sql , 189 , 189-4 , sql-joins-relations	4	215	July 2, 2021
You do not need to do a subquery here Share 189 , 189-4 , sql-joins-relations	2	362	May 27, 2021
Why the need to over-complicate the queries by adding sub-queries? DQ Courses 189-4 , 189	11	884	February 1, 2021
Why the instruction chose to join two table together first and then join to the other one? DQ Courses sql , 189 , 189-4 , sql-joins-relations	1	298	January 24, 2021
Intermediate sql ad hoc conditional aggregation query not working Q&A sql , 189 , 189-4	2	466	October 9, 2020
Group by 2 columns? DQ Courses 189 , 189-4	3	417	September 6, 2020
SQL: The question is a bit confusing! DQ Courses 189 , 189-4	4	487	June 26, 2020

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