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Saami abbas Khan3d ago • 13 min read
How an Employee Hierarchy Helped Me Understand Recursive CTEs
How I Solved the Employee Hierarchy Problem (LC 3482 for our reference), With a Recursive...
#sql#database#algorithms#programming
6 0
Ava BagherzadehAug 23, 2026 • 3 min read
Zero asset requests was the tell: finding a scraper in 50 seconds of logs
Four alarms, one cause. The rotating user agent was faked. The missing CSS requests were not.
#devops#webdev#cloudflare#database
5 7
Sualeh Fatehi5d ago • 5 min read
Migrate from SchemaSpy to SchemaCrawler Without Rewriting Your Runbooks
Keep your familiar SchemaSpy command line while generating Git-friendly, AI-readable Google OKF data...
#database#devops#github#opensource
4 3
Ramkumar M NAug 24, 2026 • 6 min read
Teradata, Explained Like the Warehouse That Was There First
Every large, established company seems to have one: a big, powerful data system
#datawarehouse#dataengineering#sql#database
7 0
abeni16Aug 23, 2026 • 1 min read
VeloxDB : database admin tool for Linux
VeloxDB is an open-source database management tool built with Rust and Tauri 2, available for Linux....
#ai#database#linux
8 0
Sergey Radzishevskii6d ago • 15 min read
Why marketplace accounting becomes so hard
Financial reports are not just another dashboard. For most companies they are the only numbers that....
#architecture#startup#programming#database
1 0
Muhammet ŞAFAKAug 23, 2026 • 9 min read
Don't pick a partial index for speed: what I measured on a 10M-row Postgres queue table
Four index strategies, three table sizes, pgbench. The partial index won — but not for the reason I ...
#postgres#database#performance#backend
0 0
Saqib Ameen SubhanAug 24, 2026 • 6 min read
mtools does not parse MongoDB 4.4+ JSON logs. So I built mdbkit.
If you have operated MongoDB for any length of time, you know mtools. For years it was how we all...
#mongodb#opensource#database#cli
0 0
Suraj Upadhyay3d ago • 4 min read
PostgreSQL Multi-Tenancy: Isolation That Survives a Growing Team
Startups building B2B products reach for multi-tenancy in PostgreSQL the same way on day one: one...
#postgres#database#backend#software
5 0
Mr. S Gupta3d ago • 13 min read
Prisma vs Drizzle vs Raw SQL: What Every Backend Developer Should Understand Before Choosing an ORM
When most developers start building backend applications, they're usually focused on one thing,...
#sql#prisma#drizzle#database
0 0
Ahmed Amer4d ago • 5 min read
I benchmarked 5 managed graph databases — and the "obvious" winner changed depending on what I measured
I benchmarked 5 managed graph databases — and the "obvious" winner changed depending on what I...
#database#graphdatabase#benchmarking
0 0
Akkarapon Phikulsri3d ago • 8 min read
PostgreSQL Cheat Sheet: Investigating and Terminating Database Blocking Sessions
If you run PostgreSQL in production for a long time, you will probably see this problem at some...
#database#postgres
2 0
Dilip V PAug 22, 2026 • 4 min read
Why a 99% Cache Hit Rate Is 10x Faster Than 90% (Not 9%)
I ran the same query 10,000 times: almost 2 seconds of database work for an answer that never...
#java#caching#database#backend
0 0
Nnamdi Felix IbeAug 24, 2026 • 5 min read
Day 31: Stash Keeps What Status Won't Show, and Private Is a Flag, Not a Subnet
Both of today's tasks involved something real that the interface never mentions. Git keeps work in a...
#devops#git#aws#database
8 2
Sanu Khan6d ago • 8 min read
How to Choose Between SQL, NoSQL, and Everything in Between
System Design from Developer to Architect — Part 2 In Part 1, we took a backend from: User →...
#systemdesign#database#backend#architecture
0 0
Mohamed Aboelmagd6d ago • 8 min read
40001 is not a query error
The PostgreSQL manual is unusually direct about this: When an application receives this error...
#postgres#node#typescript#database
0 0
Saqib Ameen SubhanAug 23, 2026 • 3 min read
How to delete 2TB from a live MongoDB cluster without anyone noticing
The request was simple. "There's about 2TB of expired data in this collection. Can you delete it...
#mongodb#operations#performance#database
0 0
Jagdish Parihar4d ago • 12 min read
MVCC Explained: Build Postgres-Style Snapshots in 100 Lines of TypeScript
Open two psql sessions. Session A: BEGIN; DELETE FROM users; -- deletes all 1 million rows --.....
#postgres#database#systemdesign#typescript
0 0
Saqib Ameen SubhanAug 23, 2026 • 3 min read
In Cassandra, a delete is a write (and reads pay for it)
In Cassandra, a delete is a write. That sentence sounds like trivia until it takes down a read path...
#cassandra#database#performance#distributed
0 0
John David Paul4d ago • 10 min read
Benchmarking 5 Graph Database Platforms on the Same 352k-Edge Graph: What Free Tiers Hide
Graph database benchmarks are easy to get wrong. Most public benchmarks compare expensive productio...
#cloud#database#performance
0 0
Saqib Ameen SubhanAug 23, 2026 • 3 min read
I take down a healthy primary on purpose. You should too.
At one company I built an autoscaling pipeline that replaced MongoDB cluster nodes automatically....
#mongodb#highavailability#sre#database
0 0
Saqib Ameen SubhanAug 23, 2026 • 3 min read
"The write was acknowledged" means less than you think
I spent years operating databases for payment platforms, where a lost write isn't a bug, it's a...
#mongodb#database#reliability#distributed
0 0
Neeraj Singhi4d ago • 6 min read
MongoDB Partial Indexes: Surgical Query Planning for High-Cardinality Sparse Fields
How partial indexes change query plan selection, write amplification, and working-set pressure in Mo...
#backend#database#mongodb#performance
0 0
Lucas Carlson4d ago • 9 min read
Durable Objects without Cloudflare, on the database you already run
The Durable Objects programming model as a plain library on the SQL database you already run, now wi...
#javascript#database#opensource#node
0 0