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  <author_name>bleis-tift</author_name>
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  <blog_title>ぐるぐる～</blog_title>
  <blog_url>https://bleis-tift.hatenablog.com/</blog_url>
  <categories>
    <anon>SQL</anon>
  </categories>
  <description>大阪で働く友人 mi との合作*1で不完全版が完全版に！ やっぱり mi はすごかった！！ WITH Input(id, str) AS ( -- idと数式を渡す SELECT 1, '1 + 3 / -8' UNION ALL SELECT 2, '2*3*4*5+99' UNION ALL SELECT 3, '4 * (9 - 4) / (2 * 6 - 2) + 8' UNION ALL SELECT 4, '1 + ((123 * 3 - 69) / 100)' UNION ALL SELECT 5, '2.45/8.5*9.27+(5*0.0023)' ) , Separator…</description>
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  <provider_name>Hatena Blog</provider_name>
  <provider_url>https://hatena.blog</provider_url>
  <published>2009-06-12 01:01:08</published>
  <title>SQL で数式を評価 (完全版 + α)</title>
  <type>rich</type>
  <url>https://bleis-tift.hatenablog.com/entry/20090612/1244736068</url>
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