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  <author_name>atsukanrock</author_name>
  <author_url>https://blog.hatena.ne.jp/atsukanrock/</author_url>
  <blog_title>atsukanrockのブログ</blog_title>
  <blog_url>https://atsukanrock.hatenablog.com/</blog_url>
  <categories>
    <anon>.NET</anon>
    <anon>SQL</anon>
  </categories>
  <description>.NETのNullableの比較について記憶できないのでメモ。 nullと非nullの比較 int? value1 = null; int? value2 = 10; だと 式 結果 value1 false value1 false value1 == value2 false value1 != value2 true value1 &gt; value2 false value1 &gt;= value2 false nullとnullの比較 int? value1 = null; int? value2 = null; だと 式 結果 value1 false value1 false value…</description>
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  <provider_name>Hatena Blog</provider_name>
  <provider_url>https://hatena.blog</provider_url>
  <published>2011-12-27 00:49:57</published>
  <title>Nullableと3値論理</title>
  <type>rich</type>
  <url>https://atsukanrock.hatenablog.com/entry/20111227/1325000997</url>
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