56 lines
2.1 KiB
Org Mode
56 lines
2.1 KiB
Org Mode
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* Databases: Relational - In-Class Assignment
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You can run the queries in [[./solve.sql]] against a ~sqlite3~ database to solve this assignment
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or install [[https://nixos.org/][Nix]] and run [[./solve.bash]].
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** Answer the Following Questions With Info From [[*Tables]]
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1. What was the total profit across all stores?
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- =$34.5=
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2. What is the name of the most popular product sold?
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- =Toy Story=
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3. How much profit did the "East" region make?
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- =$13.96=
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4. Which city had the highest cost?
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- The city with the highest aggregate cost would be =San Francisco=.
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- However, the city with the highest /single/ cost would be =New York=.
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5. What was the least popular product brand?
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- =Big Studios=, because they had no sales.
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6. Which city (or cities) sold "Sense and Sensibility"?
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- =San Francisco=
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** Tables
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*** STORE
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| Store_key | City | Region |
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|-----------|---------------|---------|
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| 1 | New York | East |
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| 2 | Chicago | Central |
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| 3 | Atlanta | East |
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| 4 | Los Angeles | West |
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| 5 | San Francisco | West |
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| 6 | Philadelphia | East |
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*** PRODUCT
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| Product_key | Description | Brand |
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|-------------|-----------------------|-----------------|
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| 1 | Beautiful Girls | MKF Studios |
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| 2 | Toy Story | Wolf |
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| 3 | Sense and Sensibility | Parabuster Inc. |
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| 4 | Holday of the Year | Wolf |
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| 5 | Pulp Fiction | MKF Studios |
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| 6 | The Juror | MKF Studios |
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| 7 | From Dusk Till Dawn | Parabuster Inc. |
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| 8 | Hellraiser: Bloodline | Big Studios |
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*** SALES_FACT
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| Store_key | Product_key | Sales | Cost | Profit |
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|-----------|-------------|-------|------|--------|
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| 1 | 6 | 2.39 | 1.15 | 1.24 |
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| 1 | 2 | 16.7 | 6.91 | 9.79 |
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| 2 | 7 | 7.16 | 2.75 | 4.40 |
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| 3 | 2 | 4.77 | 1.84 | 2.93 |
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| 5 | 3 | 11.93 | 4.59 | 7.34 |
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| 5 | 1 | 14.31 | 5.51 | 8.80 |
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