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News

Medium
medium.com > @arpita.mishra0303 > moving-away-from-s3-athena-why-we-migrated-our-analytics-pipeline-to-postgresql-d96782ed21d6

Moving Away from S3 & Athena: Why We Migrated Our Analytics Pipeline to PostgreSQL

5+ hour, 38+ min ago   (29+ words) A real-world look at architecture redesign, ingestion layers, and performance wins in a Food-Tech SaaS …...

Medium
medium.com > @techybob > 5-explain-analyze-patterns-every-data-engineer-should-know-8a454ec1ce03

5 EXPLAIN ANALYZE Patterns Every Data Engineer Should Know

8+ hour, 20+ min ago   (180+ words) If you’ve stared at PostgreSQL’s EXPLAIN ANALYZE output and felt completely lost, you're not alone. A few months ago, I spent nearly three hours debugging a query that looked perfectly reasonable in code review but turned into a 15-second nightmare…...

Medium
medium.com > @charlotthe.delgado > apache-spark-frente-a-apache-hadoop-arquitectura-rendimiento-y-casos-de-uso-6a036d5ba0b4

Apache Spark frente a Apache Hadoop: arquitectura, rendimiento y casos de uso

14+ hour, 23+ min ago   (1205+ words) Presentación Mi nombre es Kimberly Charlo Delgado Taylor y actualmente curso un Máster en Data Science. Mi experiencia …...

Medium
medium.com > @ArkProtocol1 > we-deleted-our-vector-database-pgvector-handled-40m-embeddings-fine-799da66033be

We Deleted Our Vector Database. pgvector Handled 40M Embeddings Fine

16+ hour, 2+ min ago   (35+ words) Eleven invoices, four thousand dollars a month, and a sync worker that used to wake me up in the middle of the night. We were …...

Medium
medium.com > @eyeonit > sqldungeon-now-with-duckdb-188633f5f8c5

SQLDungeon: Now with DuckDB

19+ hour, 2+ min ago   (35+ words) SQL Dungeon grew a DuckDB marsh this weekend. Why, well because I wanted to learn it. SQL Dungeon started as a browser dungeon crawler where every room is a SQL puzzle …...

Medium
medium.com > @alamgirweb11 > laravel-eloquent-orm-part-1-getting-started-with-eloquent-340287234a1e

Laravel Eloquent ORM, Part 1: Getting Started with Eloquent

20+ hour, 19+ min ago   (109+ words) Welcome to Part 1 of the Laravel Eloquent ORM series. This series takes you from the basics all the way to advanced, real-world patterns …...

Medium
medium.com > @piyushraj.code > bloom-filter-all-you-need-to-know-055d8230e340

Bloom Filter: All You Need to Know

21+ hour, 50+ min ago   (677+ words) Before diving into it directly, let us first try to understand what problem we faced so this became necessary! We know about the set data structure. A hash-based …...

Medium
medium.com > @ritanshbagal > why-is-redis-so-fast-understanding-the-in-memory-database-f2a3040611fb

Why Is Redis So Fast? Understanding the In-Memory Database

22+ hour, 50+ min ago   (27+ words) Redis can deliver extremely low-latency reads and writes. Here’s how in-memory storage, persistence, data structures, and its mostly …...

Medium
medium.com > @geekycodes > window-functions-in-pyspark-a-practical-guide-with-row-number-rank-lag-lead-and-running-totals-e3393086c308

Window Functions in PySpark: A Practical Guide with ROW_NUMBER, RANK, LAG, LEAD, and Running Totals

23+ hour, 16+ min ago   (104+ words) Non member readers can read it here for free If you work with Apache Spark, PySpark, Databricks, or SQL, sooner or later you will encounter a problem that looks deceptively simple: “For every customer, find their latest transaction.” “Calculate the…...

Medium
medium.com > @cemdrman > ditch-h2-postgresql-repository-tests-with-testcontainers-and-serviceconnection-in-spring-boot-4-8cd5bd5367af

Ditch H2: PostgreSQL Repository Tests with Testcontainers and @ServiceConnection in Spring Boot 4

1+ day, 6+ hour ago   (204+ words) Your repository tests are green. Then production throws a column “metadata” is of type jsonb but expression is of type character varying…Continue reading on Medium » Ditch H2: PostgreSQL Repository Tests with Testcontainers and @ServiceConnection in Spring Boot 4 Your repository tests…...