{"author_name":"accs2014","title":"\uff08LibreOffice Base\uff09Null\u3092\u5225\u306e\u5024\u306b\u7f6e\u304d\u63db\u3048\u308b\uff08COALESCE\u95a2\u6570\uff09","author_url":"https://blog.hatena.ne.jp/accs2014/","categories":["LibreOffice Base"],"type":"rich","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/a/accs2014/20190505/20190505174744.png","provider_url":"https://hatena.blog","published":"2019-05-05 18:04:32","blog_url":"https://www.officeisyours.com/","provider_name":"Hatena Blog","version":"1.0","blog_title":"\u3044\u304d\u306a\u308a\u7b54\u3048\u308b\u5099\u5fd8\u9332","url":"https://www.officeisyours.com/entry/2019/05/05/180432","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.officeisyours.com%2Fentry%2F2019%2F05%2F05%2F180432\" title=\"\uff08LibreOffice Base\uff09Null\u3092\u5225\u306e\u5024\u306b\u7f6e\u304d\u63db\u3048\u308b\uff08COALESCE\u95a2\u6570\uff09 - \u3044\u304d\u306a\u308a\u7b54\u3048\u308b\u5099\u5fd8\u9332\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"LibreOffice Base\uff08\u57cb\u3081\u8fbc\u307f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306bFirebird\u3092\u4f7f\u7528\uff09\u3067\u3001\u95a2\u6570\u3092\u4f7f\u3063\u3066Null\uff08\u5024\u304c\u306a\u3044\uff09\u3092\u4efb\u610f\u306e\u5024\u306b\u7f6e\u304d\u63db\u3048\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3067\u3059\u3002 \u5177\u4f53\u7684\u306b\u306fCOALESCE\u95a2\u6570\uff08Access\u3067\u3044\u3046Nz\u95a2\u6570\u306b\u76f8\u5f53\u3057\u307e\u3059\uff09\u306b\u3088\u308a\u5909\u63db\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 COALESCE\u95a2\u6570\u306b\u3088\u308aNull\u3092\u5225\u306e\u5024\u306b\u7f6e\u304d\u63db\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u624b\u9806 \u30b5\u30f3\u30d7\u30eb\u3068\u3057\u3066\u3053\u306e\u3088\u3046\u306a\u30c6\u30fc\u30d6\u30eb\u3092\u7528\u3044\u307e\u3059\u3002 \u300c\u70b9\u6570\u300d\u5217\u304cNull\u3068\u306a\u3063\u3066\u3044\u308b\u30ec\u30b3\u30fc\u30c9\u304c2\u3064\u3042\u308b\u306e\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u3053\u306eNull\u30920\u306b\u7f6e\u304d\u63db\u3048\u308b\u3082\u306e\u3068\u3057\u307e\u3059\u3002 \u30af\u30a8\u30ea\u306e\u30c7\u30b6\u30a4\u30f3\u753b\u9762\u3067\u3059\u3002 \u6b21\u306e\u3088\u3046\u306a\u5217\u3092\u8a2d\u3051\u307e\u3059\u3002 COALESCE ( \"\u70b9\u6570\", 0 ) \u3053\u308c\u306b\u3088\u308a\u2026","height":"190"}