Initial submission of assignment 2#2
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UofT-DSI | SQL - Assignment 2
What changes are you trying to make? (e.g. Adding or removing code, refactoring existing code, adding reports)
What did you learn from the changes you have made?
The main lesson for me was on combining the basic joins and structure with subqueries, CTEs and Temp Tables.
Was there another approach you were thinking about making? If so, what approach(es) were you thinking of?
Ultimately, I leaned on the examples from class to make decisions about CTEs vs Temp Tables or subqueries.
Were there any challenges? If so, what issue(s) did you face? How did you overcome it?
I found several of the queries quite challenging to get working. I overcame by breaking down into the smallest possible parts for debugging before combining.
How were these changes tested?
All queries were run to and results were manually verified as a sanity check for complex queries. Also, the stepwise debugging, as mentioned previously.
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