PPPrajapati Pareshinsmarttechdevs.hashnode.dev·7h ago · 5 min readBackend Architecture: Optimistic Locking with PostgresThe Lost Update Problem in High-Concurrency Systems In enterprise SaaS applications, data integrity is paramount. When multiple users or background processes attempt to modify the same database record00
MMariinfreecodecamp.org·14h ago · 31 min readHow to Prevent Race Conditions in Django Let's say you have enough credit left to generate one more image in an AI app. You submit a request in one browser tab, then submit another in a second tab before the first finishes. The app accepts b00
MSMikhail Shytskoinmikhail-shytsko.hashnode.dev·23h ago · 20 min readWhat is Referential Integrity? Definition and ExamplesWhat is referential integrity? Referential integrity is a relational-database property that ensures every foreign key value in a child row points to a primary key value that actually exists in the par00
Aanckursinghinaikoql.hashnode.dev·1d ago · 16 min readCan AIKOQL Work Alongside PostgreSQL, Vector Databases, and Knowledge Graphs?There is a question I expect almost every experienced engineer to ask when they first see AIKOQL: Why do we need another database? It is a fair question. Most organizations already have databases. T00
MBMahad Baiginmahadbaig.hashnode.dev·1d ago · 12 min readI Built the Boring Part of My AI Portfolio. That Is Where It Got Interesting.Building an AI-Native Portfolio, Part 2 Series note: This is not a daily or weekly build log. I will publish an update when the project reaches a meaningful milestone, produces something measurable, o01A
EPEthan Parkerinthe-path.hashnode.dev·1d ago · 8 min read Ditching Docker for Local Postgres: Single-Binary Alternatives in 2026 There is a specific moment every Supabase developer knows. You open your laptop to fix one small thing, run the local dev command, and then wait while Docker Desktop wakes up, a stack of containers ne00
ZZyVOPinzyvop.hashnode.dev·2d ago · 18 min readPostgres vs MySQL vs MongoDB: The 2026 Decision GuidePostgreSQL just posted its biggest DB-Engines score gain on record. MySQL still outranks it on raw popularity. MongoDB makes you read a license clause before you build a business on top of it. None of00
SHSanskriti Harmukhinvultr.hashnode.dev·2d ago · 5 min readBacking Up and Restoring PostgreSQL Databases Using pg_dump and pg_restorepg_dump is a PostgreSQL backup utility that allows database administrators to export databases in various forms, including full, copy, incremental, and differential backups. Alongside pg_dumpall, this00
TGTwaran Guptaintwarangupta.hashnode.dev·3d ago · 9 min readHow I built SinkedIn: an anonymous job-hunt community and tracker (Next.js, Prisma)Building SinkedIn: the honest side of the job hunt (a solo build with Next.js, Express, and Prisma) Here is a number I never posted anywhere: 63 applications, 41 rejections, 9 companies that never rep00
RPRudra Ponksheinblog.realrudrap.dev·3d ago · 9 min readWhat It Actually Takes to Import Data Into a Live DatabaseI was asked to add a couple thousand books to a live catalog serving a production website. While it seems simple enough on paper to be ticked off my to-do list within an afternoon with some clever scr00
