NL2SQLPRO

What Actually Converts JSON to Parquet in the Cloud: Spark, DuckDB, PyArrow, Polars

Spark, Trino, Polars and DuckDB on 157 GB of TPC-H data: What 22 queries actually reveals

A hands-on benchmark of four query engines on the TPC-H SF400 dataset -one where a single node doesn’t just tie an 80-vCPU cluster, it…