explaingit

mussabpro/dbs-project

Analysis updated 2026-07-18 · repo last pushed 2026-05-11

JavaScriptAudience · researcherComplexity · 1/5MaintainedSetup · easy

TLDR

An interactive 22-slide browser presentation teaching database design principles using a bookstore Point of Sale system as the running example.

Mindmap

mindmap
  root((repo))
    What it does
      Teaches database design
      Compares good vs bad design
      Shows SQL setup code
      Demonstrates business queries
    Tech stack
      HTML
      JavaScript
    Use cases
      Teach database courses
      Train new engineers
      Prep for interviews
      Explain design to stakeholders
    Audience
      Database instructors
      Bootcamp students
      Analysts

Code map

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What do people build with it?

USE CASE 1

Teach a class or team why good database design matters using a real bookstore example.

USE CASE 2

Compare a poorly normalized spreadsheet-style database to a properly split table structure.

USE CASE 3

Study the SQL code that sets up a 10-table normalized bookstore database.

USE CASE 4

Practice writing business queries like monthly sales totals or inventory value.

What is it built with?

HTMLJavaScript

How does it compare?

mussabpro/dbs-project00kaku/gallery-slider-block0verflowme/weirdhta
LanguageJavaScriptJavaScriptJavaScript
Last pushed2026-05-112021-05-192022-06-16
MaintenanceMaintainedDormantDormant
Setup difficultyeasyeasymoderate
Complexity1/52/52/5
Audienceresearchergeneraldeveloper

Figures from each repo's GitHub metadata at analysis time.

How do you get it running?

Difficulty · easy Time to first run · 5min

Works offline in any modern browser with no installation required.

No license information given in the explanation.

Copy-paste prompts

Prompt 1
Walk me through why splitting authors into their own table avoids duplicate data in this bookstore example.
Prompt 2
Show me the SQL used to set up the normalized bookstore database from this presentation.
Prompt 3
Explain how the 10 tables in this bookstore database relate to each other.
Prompt 4
Help me write a query like this presentation's 'inventory value' example for my own database.

Frequently asked questions

What is dbs-project?

An interactive 22-slide browser presentation teaching database design principles using a bookstore Point of Sale system as the running example.

What language is dbs-project written in?

Mainly JavaScript. The stack also includes HTML, JavaScript.

Is dbs-project actively maintained?

Maintained — commit in last 6 months (last push 2026-05-11).

What license does dbs-project use?

No license information given in the explanation.

How hard is dbs-project to set up?

Setup difficulty is rated easy, with roughly 5min to a first successful run.

Who is dbs-project for?

Mainly researcher.

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