Xiaolin Talks Programming

Oct 31, 2026 · Backend Development

Embedding DuckDB in Spring Boot: Ad-hoc Parquet/CSV Analytics with Multi-tenant Isolation

This article details integrating DuckDB into Spring Boot for embedded OLAP analytics, covering tenant-isolated connection pools, secure view-based file access, streaming exports via COPY and cursors, SQL injection guards, and performance tuning for ad-hoc Parquet/CSV queries without a separate cluster.