Inventory SQL: Reporting Queries
A 2-page snippet pack for reporting and analytics queries for an inventory database (suppliers and purchase_orders): 12 short entries with copy-ready code.
ForDevelopers
// purchase_orders per month
SELECT date_trunc('month', ordered_at) AS month, count(*) AS purchase_orders
FROM purchase_orders
GROUP BY 1
ORDER BY 1;
// Top suppliers by total_cost
SELECT p.name, sum(c.total_cost) AS total
FROM suppliers p
JOIN purchase_orders c ON c.supplier_id = p.id
GROUP BY p.id, p.name
ORDER BY total DESC
LIMIT 10;
// Share by status
SELECT status, count(*) AS n,
round(100.0 * count(*) / sum(count(*)) OVER (), 1) AS pct
FROM purchase_orders
GROUP BY status
ORDER BY n DESC;What's inside
- Format
- PDF, Markdown, SQL
- Contents
- 12 queries
- Version
- 1.0 · Updated 3 Oct 2026
- Licence
- Commercial What this means
- Checked
- Checked before it ships
- sql-reporting-queries-for-inventory.pdfPDF · 20 KB
- sql-reporting-queries-for-inventory.mdMarkdown · 3 KB
- sql-reporting-queries-for-inventory.sqlSQL · 3 KB
- LICENSE.txtadded to every download
About this item
A compact, printable snippet pack for reporting and analytics queries for an inventory database (suppliers and purchase_orders). Each of the 12 entries has a one-line explanation and a small example you can paste into your editor. The PDF uses a two-column A4 layout designed to sit next to your keyboard, and the same content ships as Markdown so you can search it or drop it into your notes, plus a .sql file with every query. Every SQL example targets PostgreSQL 16.
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