{"categories":["MySQL","SQL","DB"],"type":"rich","blog_url":"https://job-info.hateblo.jp/","author_url":"https://blog.hatena.ne.jp/tomotomo1129/","title":"MySQL\u3067\u306fNVL\u306e\u4ee3\u308f\u308a\u306bCOALESCE\u3092\u4f7f\u7528","author_name":"tomotomo1129","url":"https://job-info.hateblo.jp/entry/2024/09/18/225638","blog_title":"Web\u958b\u767a\u306b\u304a\u3051\u308b\u77e5\u898b\u5171\u6709\u7cfb\u30da\u30fc\u30b8","image_url":null,"height":"190","published":"2024-09-18 22:56:39","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fjob-info.hateblo.jp%2Fentry%2F2024%2F09%2F18%2F225638\" title=\"MySQL\u3067\u306fNVL\u306e\u4ee3\u308f\u308a\u306bCOALESCE\u3092\u4f7f\u7528 - Web\u958b\u767a\u306b\u304a\u3051\u308b\u77e5\u898b\u5171\u6709\u7cfb\u30da\u30fc\u30b8\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","width":"100%","description":"MySQL\u306eCOALESCE MySQL\u306eCOALESCE MySQL\u3067\u306f\u3001Oracle\u3067\u4f7f\u7528\u3055\u308c\u308bNVL\u95a2\u6570\u306b\u76f8\u5f53\u3059\u308b\u3082\u306e\u3068\u3057\u3066COALESCE\u95a2\u6570\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 NVL\u306f\u7279\u5b9a\u306e\u5217\u3084\u5f0f\u306e\u5024\u304cNULL\u3067\u3042\u308b\u5834\u5408\u306b\u3001\u5225\u306e\u5024\u3092\u8fd4\u3059\u305f\u3081\u306b\u4f7f\u308f\u308c\u308b\u95a2\u6570\u3067\u3059\u304c\u3001MySQL\u306b\u306fNVL\u95a2\u6570\u304c\u5b58\u5728\u3057\u306a\u3044\u305f\u3081\u3001COALESCE\u3092\u5229\u7528\u3057\u3066\u540c\u69d8\u306e\u52d5\u4f5c\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002COALESCE\u95a2\u6570\u306f\u3001\u5f15\u6570\u306e\u4e2d\u3067\u6700\u521d\u306bNULL\u3067\u306a\u3044\u5024\u3092\u8fd4\u3059\u3068\u3044\u3046\u4ed5\u7d44\u307f\u3067\u3059\u3002 \u8907\u6570\u306e\u5f15\u6570\u3092\u6307\u5b9a\u3067\u304d\u3001\u6700\u521d\u306bNULL\u3067\u306a\u3044\u5024\u304c\u898b\u3064\u304b\u308b\u307e\u3067\u5f15\u6570\u3092\u8a55\u4fa1\u3057\u307e\u3059\u3002 \u3082\u3057\u3059\u3079\u3066\u306e\u5f15\u6570\u304cNULL\u306e\u5834\u5408\u3001\u7d50\u679c\u3068\u3057\u3066NULL\u3092\u8fd4\u3057\u307e\u3059\u3002 \u3053\u306e\u6a5f\u80fd\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u2026","version":"1.0","provider_url":"https://hatena.blog"}