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Exporting 150M SQL Server rows to Parquet: reading the .bak beats the DB

IT·实践 · 2026-11-10 23:39

A benchmark comparing FastBCP and DuckDB for exporting 150 million SQL Server rows to Parquet reveals that directly reading .bak backup files is more efficient than querying the live database. This approach significantly outperforms traditional database connections for large-scale data extraction tasks.

Source: blog.arpe.io


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