TLDR Tech / Data
Jack of All Trades: Query Federation in Modern OLAP Databases
Query federation has become essential in modern OLAP databases, allowing unified SQL queries across data sources without heavy ETL or data duplication. While general-purpose tools like Trino offer broad connectivity as stateless orchestrators, embedded federation in high-performance engines like StarRocks provides better performance through optimizations (e.g., vectorized execution, metadata caching, and strong Iceberg support).
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