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STSon Transchemity.hashnode.devApr 13 · 11 min read

You Have Been Reading ERD Notation Wrong

If you have ever designed a database schema, you have probably drawn an ERD with crow's foot notation. You learned that a circle means optional, a line means mandatory, and a crow's foot means many. Y

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STSon Transchemity.hashnode.devApr 12 · 6 min read

ERD design with joy

Most database tools treat schema design as a chore to be endured. What if the tool got out of the way - and let the thinking take center stage? There is a specific kind of friction that accumulates wh

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STSon Transchemity.hashnode.devApr 12 · 4 min read

Design Data Model for Multi-Tenant RBAC. Part 1: Identity Foundation

Behavior Description Assume we are building a KPI management platform. Multiple companies can create accounts (tenants) and let their employees access the platform. A user can be assigned to one or s

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STSon Transchemity.hashnode.devApr 12 · 4 min read

ERD tool built for software engineers who touch a database

If you've worked on a team with more than two services, you've felt this pain. A feature needs a new table. You write the migration, apply it, ship the code. The ERD - if one ever existed - is now wro

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STSon Transchemity.hashnode.devApr 12 · 5 min read

Your ERD is hiding your domain model

A raw column list tells you what the database stores. It doesn't tell you what the business means. Look at a status column of type TEXT. The schema says it's a string. It says nothing about whether "p

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STSon Transchemity.hashnode.devApr 12 · 6 min read

Your ERD tool can't keep up with your thinking

You are mid-flow. A schema idea is forming - three new entities, two relations, a junction table. You know exactly what you want. Then you reach for your ERD tool and the friction starts. Click to add

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STSon Transchemity.hashnode.devApr 12 · 7 min read

The ERD that lives in your Git repo

You exported a PNG. You pasted it into Confluence. Six months later, three tables have been renamed and two new ones added. The diagram is a lie. This is the default lifecycle of every ERD that lives

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STSon Transchemity.hashnode.devApr 2 · 12 min read

Schemity vs dbdiagram.io: When Your ERD Tool Needs to Outlive the Meeting

There's a moment every software engineer knows. You're explaining a new feature to a teammate. The schema is in your head. You need something visual, fast, right now. You open a browser tab, type dbdi

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MMUHAMMADblog.alchemists.my.idAug 28, 2025 · 1 min read

Practice Creating an Attendance System in a Boarding School

Create ERD Create all table Create Index Insert data into tables crud operations on tables In table class Create Read Update Delete In table teacher Create Read Update Delete In table student ...

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DDbVisualizerthetable.hashnode.devFeb 26, 2024 · 2 min read

Quick Guide: ER Models vs. ER Diagrams vs. Relational Schemas

When embarking on database design, understanding the nuances between ER models, ER diagrams, and relational schemas is foundational. These concepts, while interrelated, differ significantly in purpose and application. ER Model Serves as the abstract ...

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#erd

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You Have Been Reading ERD Notation Wrong

ERD design with joy

Design Data Model for Multi-Tenant RBAC. Part 1: Identity Foundation

ERD tool built for software engineers who touch a database

Your ERD is hiding your domain model

Your ERD tool can't keep up with your thinking

The ERD that lives in your Git repo

Schemity vs dbdiagram.io: When Your ERD Tool Needs to Outlive the Meeting

Practice Creating an Attendance System in a Boarding School

Quick Guide: ER Models vs. ER Diagrams vs. Relational Schemas

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