Vesko’s Substack

🦾 Picture Perfect Match: Building an Image Similarity Search Engine with Vector Databases🤖

📊 The Analytics Self-Service Revolution: How Data Catalogs Empower Enterprise Teams 💡

🏗️ Why Data Warehouses Backed by Open Table Formats Could Completely Replace Traditional DWHs 🌊

🚨 The Hidden Pitfall That Sabotages SQL Performance: Functions on Indexed Columns 📉

Speed Up Your Spark Jobs: The Hidden Trap in Union Operations

AWS Lambda Event Source Mapping: The Magic Behind Kafka Offset Management

DuckDB Inside Postgres: The Unlikely Duo Supercharging Analytics

Apache Spark: Why JSON isn't ideal format for your spark job

Apache Spark: Beware of Column Ordering and Data Types When Using Apache Spark's Union Function

AWS: Lambda Event Source Mapping with Confluent Kafka

Apache Spark: Dataset vs Dataframe - The Tortoise and Hare