Install
Please confirm you are human
This browser or connection looks automated. Press and continuously hold the control for 3 seconds to enable Google-hosted web results and, when separately allowed, AI-assisted answers.
A successful check enables 100 search requests. Interactive access does not authorize scraping, systematic collection, or reuse of search output.
News
Day 8 - Relational Database 101 - PostgreSQL Internals
2+ hour, 2+ min ago (1576+ words) একবার একটু technological দিকে আসি, আপনি যখন Facebook বা LinkedIn-এ কাউকে message করেন তখন সেটা সরাসরি তার কাছে send হয়। Reason হচ্ছে আপনারা connected। এখানে আপনি directly message ত…...
Why Parameterized Queries Matter for SQL Security
2+ hour, 22+ min ago (559+ words) SQL injection is one of the classic examples of what can happen when an application mixes user input directly into a database query. The underlying problem is simple. The application expects data. The database may interpret part of that data…...
Recursive CTEs: How SQL Secretly Learned to Loop
3+ hour, 17+ min ago (454+ words) Ask a SQL query to find "all employees under this manager," and things get ugly fast if you don't know how many levels deep the org chart goes. A regular join handles one level. Two joins handle two levels. Nobody's…...
EXPLAIN Describes a Query. Production Is Everything Else That’s Running.
1+ hour, 11+ min ago (1398+ words) A while back I wrote about migrating a terabyte of banking data from Oracle to PostgreSQL with no downtime. The part people …...
Every text-to-SQL benchmark score you've seen was measured without access control
5+ hour, 46+ min ago (955+ words) Spider, BIRD, LiveSQLBench. If you have evaluated a text-to-SQL system in the last five years you have quoted a number from one of them. All three ask the same question: given a schema and an English question, does the system…...
Expand, migrate, contract: the only database migration pattern a small team needs
14+ hour, 32+ min ago (195+ words) Small teams don't get a DBA or a staging cluster that matches production. The one rule that carries most of your safety: never change a live schema in place. Expand, migrate, contract. Why: on a 40M-row table, a naive in-place…...
From Informatica to Apache SeaTunnel: A Financial-Grade ETL Migration in Practice | HackerNoon
1+ day, 6+ hour ago (288+ words) After years of development, domestic ETL platforms such as Kettle, DataX, and SeaTunnel have become viable alternatives for core ETL capabilities. Our technical evaluation showed that, in batch-processing scenarios, domestic platforms could cover approximately 85% of Informatica’s functionality while costing only…...
Nile isolates Postgres tenants with a tenant_id column and one session variable
20+ hour, 47+ min ago (364+ words) Disclosure: I have no affiliation with Nile. Nobody asked me to write this and nobody paid for it. I signed up for their free tier like anyone else would. I'm on my way to test products and share my findings…...
An AI Agent Deleted Our Database in 9 Seconds. The Backup Was 3 Months Old
16+ hour, 48+ min ago (453+ words) # An AI Agent Deleted Our Database in 9 Seconds. The Backup Was 3 Months Old On a Friday afternoon in late April 2026 …...
How Database Connection Pooling Actually Works
18+ hour, 52+ min ago (22+ words) Your database looks fine. Your app still hangs. Here's how connection pooling actually works and why the two aren't the same problem....