11-duckdb.ipynb

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    "<img src=\"images/duckdb-logo.png\" width=\"15%\" align=\"right\">\n",
    "\n",
    "# DuckDB\n",
    "\n",
    "---"
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    "import duckdb\n",
    "import pandas as pd"
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    "source = \"https://quansight-datasets.storage.googleapis.com/airline-ontime-performance/parquet_by_year/YEAR=2022/part.200.parquet\"\n",
    "df = duckdb.read_parquet(source)"
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    "duckdb.sql(\"SELECT * FROM df\")"
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    "### Mean arrival delay"
   ]
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    "You can now use SQL queries:"
   ]
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    "duckdb.sql(\"SELECT AVG(ARR_DELAY) FROM df\")"
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   "source": [
    "---\n",
    "\n",
    "## Next →\n",
    "\n",
    "[Let's wrap up](12-conclusion.ipynb)!"
   ]
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