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README.md

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-# 15-sql_queries_02-chinook
-Chinook SQL exercise
+### More SQL query fun from the fine folks who brought you the previous SQL exercises.
+Let's cement your SQL query bonafides with a tougher test of your new skills. Keep the Chinook db handy...
+
+## Requirements
+Use the [Chinook Database](https://chinookdatabase.codeplex.com/) and the [DB Browser for SQLite](http://sqlitebrowser.org/) we downloaded in the ERD exercise.
+
+For each of the following exercises, provide the appropriate query.
+
+Keep your successful queries in a `chinook-queries.sql` file.
+
+1. Provide a query showing Customers (just their full names, customer ID and country) who are not in the US.
+2. Provide a query only showing the Customers from Brazil.
+3. Provide a query showing the Invoices of customers who are from Brazil. The resultant table should show the customer's full name, Invoice ID, Date of the invoice and billing country.
+4. Provide a query showing only the Employees who are Sales Agents.
+5. Provide a query showing a unique list of billing countries from the Invoice table.
+6. Provide a query showing the invoices of customers who are from Brazil.
+7. Provide a query that shows the invoices associated with each sales agent. The resultant table should include the Sales Agent's full name.
+8. Provide a query that shows the Invoice Total, Customer name, Country and Sale Agent name for all invoices and customers.
+9. How many Invoices were there in 2009 and 2011? What are the respective total sales for each of those years?
+10. Looking at the InvoiceLine table, provide a query that COUNTs the number of line items for Invoice ID 37.
+11. Looking at the InvoiceLine table, provide a query that COUNTs the number of line items for each Invoice. HINT: [GROUP BY](http://www.sqlite.org/lang_select.html#resultset)
+12. Provide a query that includes the track name with each invoice line item.
+13. Provide a query that includes the purchased track name AND artist name with each invoice line item.
+14. Provide a query that shows the # of invoices per country. HINT: [GROUP BY](http://www.sqlite.org/lang_select.html#resultset)
+15. Provide a query that shows the total number of tracks in each playlist. The Playlist name should be include on the resultant table.
+16. Provide a query that shows all the Tracks, but displays no IDs. The resultant table should include the Album name, Media type and Genre.
+17. Provide a query that shows all Invoices but includes the # of invoice line items.
+18. Provide a query that shows total sales made by each sales agent.
+19. Which sales agent made the most in sales in 2009?
+20. Which sales agent made the most in sales in 2010?
+21. Which sales agent made the most in sales over all?
+22. Provide a query that shows the # of customers assigned to each sales agent.
+23. Provide a query that shows the total sales per country. Which country's customers spent the most?
+24. Provide a query that shows the most purchased track of 2013.
+25. Provide a query that shows the top 5 most purchased tracks over all.
+26. Provide a query that shows the top 3 best selling artists.
+27. Provide a query that shows the most purchased Media Type.
+
+#### Other Resources
+* http://www.sqlcourse.com/
+* https://github.com/treehouse/cheatsheets/blob/master/sql_basics/cheatsheet.md
+* [SQL Cheatsheet](https://zeroturnaround.com/wp-content/uploads/2016/06/RebelLabs-SQL-cheat-sheet.png)
+* http://www.sqlite.org/lang_select.html
+* https://www.sololearn.com/Course/SQL/

chinook-queries.sql

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+-- 1. Provide a query showing Customers (just their full names, customer ID and country) who are not in the US.
+select customerid, firstname, lastname, country
+from customer
+where not country = 'USA';
+
+-- 2. Provide a query only showing the Customers from Brazil.
+select * from customer
+where country = 'Brazil';
+
+-- 3. Provide a query showing the Invoices of customers who are from Brazil. The resultant table should show the customer's full name, Invoice ID, Date of the invoice and billing country.
+select c.firstname, c.lastname, i.invoiceid, i.invoicedate, i.billingcountry
+from customer as c, invoice as i
+where c.country = 'Brazil' and
+c.customerid = i.customerid;
+
+-- 4. Provide a query showing only the Employees who are Sales Agents.
+
+
+-- 5. Provide a query showing a unique list of billing countries from the Invoice table.
+
+
+-- 6. Provide a query showing the invoices of customers who are from Brazil.
+
+
+-- 7. Provide a query that shows the invoices associated with each sales agent. The resultant table should include the Sales Agent's full name.
+
+
+-- 8. Provide a query that shows the Invoice Total, Customer name, Country and Sale Agent name for all invoices and customers.
+
+
+-- 9. How many Invoices were there in 2009 and 2011? What are the respective total sales for each of those years?
+
+
+-- 10. Looking at the InvoiceLine table, provide a query that COUNTs the number of line items for Invoice ID 37.
+
+
+-- 11. Looking at the InvoiceLine table, provide a query that COUNTs the number of line items for each Invoice. HINT: [GROUP BY](http://www.sqlite.org/lang_select.html#resultset)
+
+
+-- 12. Provide a query that includes the track name with each invoice line item.
+
+
+-- 13. Provide a query that includes the purchased track name AND artist name with each invoice line item.
+
+
+-- 14. Provide a query that shows the # of invoices per country. HINT: [GROUP BY](http://www.sqlite.org/lang_select.html#resultset)
+
+
+-- 15. Provide a query that shows the total number of tracks in each playlist. The Playlist name should be include on the resultant table.
+
+
+-- 16. Provide a query that shows all the Tracks, but displays no IDs. The resultant table should include the Album name, Media type and Genre.
+
+
+-- 17. Provide a query that shows all Invoices but includes the # of invoice line items.
+
+
+-- 18. Provide a query that shows total sales made by each sales agent.
+
+
+-- 19. Which sales agent made the most in sales in 2009?
+
+
+-- 20. Which sales agent made the most in sales in 2010?
+
+
+-- 21. Which sales agent made the most in sales over all?
+
+
+-- 22. Provide a query that shows the # of customers assigned to each sales agent.
+
+
+-- 23. Provide a query that shows the total sales per country. Which country's customers spent the most?
+
+
+-- 24. Provide a query that shows the most purchased track of 2013.
+
+
+-- 25. Provide a query that shows the top 5 most purchased tracks over all.
+
+
+-- 26. Provide a query that shows the top 3 best selling artists.
+
+
+-- 27. Provide a query that shows the most purchased Media Type.