<?xml version="1.0" encoding="UTF-8"?>
<!--generator='jetpack-15.7'-->
<!--Jetpack_Sitemap_Buffer_News_XMLWriter-->
<?xml-stylesheet type="text/xsl" href="//martechfarm.com/news-sitemap.xsl"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:news="http://www.google.com/schemas/sitemap-news/0.9" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd">
 <url>
  <loc>https://martechfarm.com/business-column/data-future/</loc>
  <lastmod>2026-04-10T07:01:44Z</lastmod>
  <news:news>
   <news:publication>
    <news:name>MarTech Farm</news:name>
    <news:language>ja</news:language>
   </news:publication>
   <news:title>データの未来予想図</news:title>
   <news:publication_date>2026-04-10T01:01:01Z</news:publication_date>
   <news:genres>Blog</news:genres>
  </news:news>
 </url>
 <url>
  <loc>https://martechfarm.com/2026/04/10/sql-recipes-18/</loc>
  <lastmod>2026-04-08T01:39:27Z</lastmod>
  <news:news>
   <news:publication>
    <news:name>MarTech Farm</news:name>
    <news:language>ja</news:language>
   </news:publication>
   <news:title>#18│SCD（緩やかに変化するディメンション）をSQLで実装する</news:title>
   <news:publication_date>2026-04-10T00:00:00Z</news:publication_date>
   <news:genres>Blog</news:genres>
  </news:news>
 </url>
 <url>
  <loc>https://martechfarm.com/2026/04/10/data-sql-future/</loc>
  <lastmod>2026-04-10T06:50:18Z</lastmod>
  <news:news>
   <news:publication>
    <news:name>MarTech Farm</news:name>
    <news:language>ja</news:language>
   </news:publication>
   <news:title>#1│SQLを学ぶべき理由 ― データ世界の「共通言語」を持つということ</news:title>
   <news:publication_date>2026-04-09T22:51:43Z</news:publication_date>
   <news:genres>Blog</news:genres>
  </news:news>
 </url>
 <url>
  <loc>https://martechfarm.com/2026/04/09/sql-recipes-17/</loc>
  <lastmod>2026-04-10T04:58:30Z</lastmod>
  <news:news>
   <news:publication>
    <news:name>MarTech Farm</news:name>
    <news:language>ja</news:language>
   </news:publication>
   <news:title>#17│最新レコードの取得 ― ROW_NUMBER vs DELETE + INSERT、どちらを選ぶか</news:title>
   <news:publication_date>2026-04-09T00:00:00Z</news:publication_date>
   <news:genres>Blog</news:genres>
  </news:news>
 </url>
 <url>
  <loc>https://martechfarm.com/2026/04/08/digdag-fullrun/</loc>
  <lastmod>2026-04-08T05:26:57Z</lastmod>
  <news:news>
   <news:publication>
    <news:name>MarTech Farm</news:name>
    <news:language>ja</news:language>
   </news:publication>
   <news:title>【夜間バッチ最適化】Digdagのparallel 設定はなんとなく決めてはいけない</news:title>
   <news:publication_date>2026-04-08T05:24:03Z</news:publication_date>
   <news:genres>Blog</news:genres>
  </news:news>
 </url>
 <url>
  <loc>https://martechfarm.com/2026/04/08/sql-recipes-16/</loc>
  <lastmod>2026-04-08T01:36:11Z</lastmod>
  <news:news>
   <news:publication>
    <news:name>MarTech Farm</news:name>
    <news:language>ja</news:language>
   </news:publication>
   <news:title>#16│セッションIDなしのログからセッションを再構築するSQL</news:title>
   <news:publication_date>2026-04-08T00:00:00Z</news:publication_date>
   <news:genres>Blog</news:genres>
  </news:news>
 </url>
</urlset>
