InProduction ReadybyAnupam Sinha·Just nowScale SQL to Millions of Users Before You Ever Touch ShardingBefore you shard, you scale reads and tame connections. Learn how streaming replication, replica lag, read/write splitting, and pooling…
Felix Guischard·1h agoGans, Grounded: What a Toy Data Pipeline Taught Me About Running Real InfrastructureEvery data engineering exercise needs a pretend client, and mine was Gans — a fictional e-scooter company plotting its expansion into new…
Victor Magallanes at IT Solutions Network·1h agoPaginate a Postgres Table in FastAPI: Offset Took 139 ms at Page 49,501, Keyset Took 4 ms (Tested…When 20 new rows arrived between page fetches, offset pagination returned 380 duplicates and missed 380 rows. Keyset returned neither. And…
Victor Magallanes at IT Solutions Network·1h agoUsing Claude to Query Postgres JSONB: 4 Traps That Return the Wrong Rows Without an Error“amount greater than 9” returned zero rows, though three rows qualified. And three ways of counting “has a note” gave 1, 2 and 2 on the…
Divyanshi Yadav·1h agoI Needed Consistent Multi-Table Test Data. Every Tool I Tried Let Me Down — Until One Didn’t.A few weeks ago, I found myself doing something I swore I was done doing years ago: sitting in my IDE late at night, writing yet another…
Lakshman Gupta·1h agoRemoving Duplicate Rows in Snowflake (and Other SQL Interview Patterns)QUALIFY, INSERT OVERWRITE, safe deletes, MERGE-based prevention, top-N per group and second-highest value
Pawan Deore·2h agoYour Revenue Didn’t Double. Your Join Did.How independent one-to-many relationships corrupt metrics — and how to make table grain an executable contract.
Harsh Gupta·2h ago🛑 The SCD Type 2 Nightmare: Why Immutable Parquet Broke History Tracking (And How Senior Teams Fix…By Harsh Gupta
InTowards Data EngineeringbyJulius Nyerere Nyambok·2h agoSQL Joins, Explained in less than 10 minutesPart 1 of 3 in an SQL series. Next: CTEs. Then: Window Functions.
Abdul Hadi·3h agoOrchestrating Hybrid Pipelines: Triggering Azure Data Factory SSIS Packages via Microsoft Fabric…By Abdul Hadi
