Tag feed

#data-modeling

115 posts13 followers

Trending tags this week

You Have Been Reading ERD Notation Wrong

2d ago · 11 min read · 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

Join discussion

STSon Transchemity.hashnode.dev

0

ERD design with joy

3d ago · 6 min read · 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

Join discussion

STSon Transchemity.hashnode.dev

0

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

3d ago · 4 min read · 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

Join discussion

STSon Transchemity.hashnode.dev

0

ERD tool built for software engineers who touch a database

3d ago · 4 min read · 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

Join discussion

STSon Transchemity.hashnode.dev

0

Your ERD is hiding your domain model

3d ago · 5 min read · 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

Join discussion

STSon Transchemity.hashnode.dev

0

Your ERD tool can't keep up with your thinking

3d ago · 6 min read · 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

Join discussion

STSon Transchemity.hashnode.dev

0

The ERD that lives in your Git repo

3d ago · 7 min read · 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

Join discussion

ATAnchal Tiwarianchal-ai.hashnode.dev

0

Why Your SQL is Right but Your Dashboard is Wrong: A Guide to Data Granularity

5d ago · 4 min read · The Moment Every Analyst Dreads You’ve spent days on a SQL script. Your Power BI measures look flawless. You present the revenue dashboard to your stakeholders, only for someone to point out: "Our tot

Join discussion

SGShivam Goyalblog.shivam-goyal.site

0

Building a Production-Ready Multiplayer Chess App

Apr 4 · 11 min read · This blog explains the exact data and infrastructure stack used in this chess project: Redis for real-time game state PostgreSQL for relational and durable core data Cassandra/Astra DB for high-vol

Join discussion

RLRisingWave Labsrisingwave.com

0

Building a Data Vault on Apache Iceberg with RisingWave

Apr 3 · 5 min read · Building a Data Vault on Apache Iceberg with RisingWave delivers the auditability and flexibility of Data Vault 2.0 with the real-time freshness of streaming CDC. RisingWave captures database changes continuously, computes hub, link, and satellite st...

Join discussion

#data-modeling

Search Hashnode

#data-modeling

Trending tags this week

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

Why Your SQL is Right but Your Dashboard is Wrong: A Guide to Data Granularity

Building a Production-Ready Multiplayer Chess App

Building a Data Vault on Apache Iceberg with RisingWave