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   <news:title>#29│パーセンタイルとヒストグラムをSQLで作る</news:title>
   <news:publication_date>2026-04-21T00:00:00Z</news:publication_date>
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  <loc>https://martechfarm.com/2026/04/20/netflix/</loc>
  <lastmod>2026-04-19T06:59:46Z</lastmod>
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    <news:name>MarTech Farm</news:name>
    <news:language>ja</news:language>
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   <news:title>Netflixが視聴の80%をアルゴリズムで生む</news:title>
   <news:publication_date>2026-04-20T01:00:00Z</news:publication_date>
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  <lastmod>2026-04-19T07:56:05Z</lastmod>
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    <news:name>MarTech Farm</news:name>
    <news:language>ja</news:language>
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   <news:title>#28│SQLだけで相関係数を計算する ― 広告費と売上の関係を数値で示す</news:title>
   <news:publication_date>2026-04-20T00:00:00Z</news:publication_date>
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  <lastmod>2026-04-09T00:09:52Z</lastmod>
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    <news:name>MarTech Farm</news:name>
    <news:language>ja</news:language>
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   <news:title>#27│大規模テーブルの集計を高速化する ― パーティションとフィルタ戦略</news:title>
   <news:publication_date>2026-04-19T00:00:00Z</news:publication_date>
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