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feat: Calvin's Lesson 25 Homework: Introducing Databases - In Progress #800

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feat: Calvin's Lesson 25 Homework: Introducing Databases - In Progress #800

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8d383ab
feat: created a unique named sql file in the queries directory
Oct 10, 2025
5b827e8
Merge branch 'code-differently:main' into feature/myless25
Kaldigi252-ops Oct 13, 2025
5626c09
feat: added 3 sql queries to my sql file
Oct 13, 2025
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8 changes: 8 additions & 0 deletions lesson_25/db/db_app/src/main/resources/queries/calvinrobinson.sql
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-- Query 1: Counts of media items by type
SELECT type, COUNT(*) as count FROM media_items GROUP BY type;

-- Query 2: Sum of total pages checked out by guests
SELECT SUM(mi.pages) as total_pages_checked_out FROM checked_out_items coi JOIN media_items mi ON coi.item_id = mi.id;

-- Query 3: All guests and their corresponding checked out items
SELECT g.name, g.email, coi.item_id, coi.due_date FROM guests g LEFT JOIN checked_out_items coi ON g.email = coi.email;