100% agree.

> Writing SQL code

Language integration is paramount for med/lg projects. There's an experimental Java lang project, manifold-sql [1], that does the impossible: inline native DuckDB SQL + type-safety.

    """
    [.sql/] SELECT station_name, count(*) AS num_services
      FROM 'http://blobs.duckdb.org/train_services.parquet'
      WHERE monthname(date) = 'May'
      GROUP BY ALL
      ORDER BY num_services DESC
      LIMIT 3
    """
    .fetch()
    .forEach(row -> out.println(row.stationName + ": " + row.numServices));