Simon Späti
Technical Author & Data Engineer
Simon is a Data Engineer and Technical Author with 20+ years of experience in the data field. He's the author of the Data Engineering Blog (ssp.sh), curator of the Data Engineering Vault (vault.ssp.sh), and currently writes a book about Data Engineering Design Patterns (dedp.online). Simon maintains an awareness of open-source data engineering technologies and enjoys sharing his knowledge with the community.
29 POSTS
2026/01/17 - Simon Späti
This Month in the DuckDB Ecosystem: January 2026
DuckDB news: Iceberg extension adds full DML (INSERT/UPDATE/DELETE). Process 1TB in 30 seconds. Query data via AI agents with MCP server. TypeScript macros for APIs.
2025/12/10 - Simon Späti
This Month in the DuckDB Ecosystem: December 2025
DuckDB news: v1.4 adds AES-256 encryption. DuckLake brings ACID-compliant lakehouse with time-travel queries. Gaggle extension queries Kaggle datasets directly via SQL.
2025/12/03 - Simon Späti
Simplicity of a Database, but the Speed of a Cache: OLAP Caches for DuckDB
Speed up slow dashboards without adding new infrastructure. Learn how DuckDB's caching extensions can drop query times from minutes to seconds.
2025/11/24 - Simon Späti
Branch, Test, Deploy: A Git-Inspired Approach for Data
This article explores how to bring Git style workflows like branching, testing, and deploying to your data stack. Learn how concepts like zero copy cloning and metadata pointers can finally give you isolated test environments.
2025/11/12 - Simon Späti
DuckDB Ecosystem: November 2025
DuckDB news: QuackStore caching cuts query time from 49s to 3s. Infera runs ONNX ML models in SQL. 127 community extensions analyzed. DuckLake architecture explained.
2025/10/30 - Simon Späti
4 Senior Data Engineers Answer 10 Top Reddit Questions
A great panel answering the most voted/commented data questions on Reddit
2025/10/07 - Simon Späti
DuckDB Ecosystem: October 2025
DuckDB news: v1.4.0 LTS brings AES-256 encryption, MERGE statements, and Iceberg writes. 100x faster than Spark on local Parquet. Official Docker images released.
2025/09/09 - Simon Späti
DuckDB Ecosystem: September 2025
DuckDB news: Spatial joins 58x faster via R-tree indexing. pg_duckdb 1.0 adds OLAP analytics to PostgreSQL. One team cut Snowflake costs 79% using DuckDB caching.
2025/08/19 - Simon Späti
Why Semantic Layers Matter — and How to Build One with DuckDB
Learn what a semantic layer is, why it matters, and how to build a simple one with DuckDB and Ibis using just YAML and Python
2025/08/07 - Simon Späti
DuckDB Ecosystem: August 2025
DuckDB news: 50.7% YoY developer growth. DuckLake v0.2 adds credential secrets. BigQuery extension hits 21.7k weekly downloads. Vector search enables RAG applications.
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