SPSatyam Prajapatiindatawithsatyam.hashnode.dev·5h ago · 7 min readWhy I Chose Data EngineeringMy Past I still remember the second week of May 2017. Our Class 12 results were everywhere, and I was nervous. My Mathematics exam had gone badly because of some family issues, so when the result fina00
RSRajaram Sinrajaram0203.hashnode.dev·22h ago · 10 min read🔄 CDC & Schema Migration Best Practices⏱️ 11–13 min read · 🎯 Intermediate · 📚 Part 16 of 20 👉 Missed Part 15? SQL for DevOps — Queries You'll Actually Run in Production 🤔 Two Problems Every Growing Backend Hits As your application gro00
Sspipaliya8insudhirpipaliya.hashnode.dev·2d ago · 17 min readEF Core Projection: How Select Can Improve Query PerformanceWhen working with Entity Framework Core, one of the easiest ways to accidentally retrieve more data than necessary is to load complete entities. For example: var students = await context.Students 00
KSkiran sabneinkiransabne.dev·3d ago · 6 min readPostgreSQL Index Bloat: Why It Happens and How to Fix It"We have an index on that column, why is this still slow?" — because the index isn't broken. It's just fat. An index that used to fit in a handful of pages can silently grow to several times its neede00
AJAyush Jaininayushjjainn.hashnode.dev·5d ago · 38 min readModern Database Access: Prisma, Drizzle, and ORMs ExplainedMarvel universe, the MCU, ye toh sab jaante hain. And ek baat notice karo, it is not a single movie, it is a whole universe, dozens of films and characters all connected into one giant world. That "on00
Qqodorsinqodors.hashnode.dev·5d ago · 9 min readYour App Works With 100 Users. Can It Handle 100,000?A database query can feel fast when a table has only 100 records. Pages load quickly, API responses look fine, and database performance does not seem like something you need to worry about. As the app00
DPDonghyun Parkinsqemo.hashnode.dev·5d ago · 9 min readDatabase Naming Conventions: A Practical Guide for Tables and ColumnsEvery schema ends up with a naming convention, whether anyone chose one or not. The question isn't whether you'll have a convention — it's whether it's the same convention everywhere, or three differe00
CACiphemic academiainciphemicacademia.hashnode.dev·5d ago · 7 min readData Engineer Career Path: Beyond the Clean CSV Import (2026)A Clean CSV Import Is Not a Data Engineering Portfolio Almost every beginner data project starts the same way: import a clean CSV, run a few transformations, load it into a table, done. It's a reasona00
DIDatabase Insightsindatabaseinsights.hashnode.dev·5d ago · 6 min readThe Real Reason Your AI SQL Assistant Is Expensive (and It's Not the Model)Here's a scenario a lot of teams run into after deploying an AI-powered SQL assistant: the first few weeks go great. Developers write less boilerplate, queries come together faster, everyone's happy. 00
UUUduak Ukponginuduakukpong.hashnode.dev·5d ago · 10 min readRow-Level Security for Multi-Tenant Postgres: USING vs WITH CHECK in PracticeThis piece isn't about turning RLS on. It's about what goes inside the policies once it is, and about proving they do what you think they do instead of just trusting the SQL. That distinction matters 00
