{"blog_title":"\u5730\u4e2d\u3078\u306e\u306f\u3057\u3054","author_url":"https://blog.hatena.ne.jp/sagra-da/","title":"MySQL\u3067DATETIME\u578b\u306e\u6642\u523b\u5dee\u3092\u8a08\u7b97","url":"https://sagra-da.hatenadiary.org/entry/20120409/1333991806","author_name":"sagra-da","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/s/sagra-da/20120410/20120410013257.png","width":"100%","description":"MySQL\u4e0a\u3067\u3001DATETIME\u578b\u306e\u6642\u9593\u5dee\u3092\u51fa\u3059\u65b9\u6cd5\u3067\u3059\u3002 \u50d5\u306e\u5834\u5408\u3001\u51fa\u3057\u305f\u5024\u3092\u5408\u8a08\u3057\u3066\u3001\u305d\u306e\u5f8cPHP\u3067\u6271\u3046\u6d41\u308c\u3067\u3057\u305f\u306e\u3067\u3001UNIX_TIMESTAMP\u3067\u5909\u63db\u3057\u3066\u304b\u3089\u5dee\u3092\u51fa\u3059\u65b9\u6cd5\u3092\u63a1\u7528\u3057\u307e\u3057\u305f\u3002 \u8907\u6570\u306e\u65b9\u6cd5\u3067\u7d50\u679c\u3092\u51fa\u3057\u3066\u307f\u308b \u5de62\u3064\u306e\u30c7\u30fc\u30bf\u306e\u5dee\u5206\u3092\u3001\u30ab\u30e9\u30e0\u540d\u306e\u65b9\u6cd5\u3067\u51fa\u3057\u3066\u3044\u307e\u3059\u3002 \u305d\u306e\u307e\u307e\u6e1b\u7b97 \u6570\u5b57\u5217\u306e\u5dee\u5206\u306b\u306a\u308a\u307e\u3059\u3002SELECT datetime1 - datetime2 FROM table_name UNIXTIMESTAMP\u5316\u3057\u3066\u304b\u3089\u8a08\u7b97 \u79d2\u6570\u3067\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002SELECT UNIX_TIMESTAMP( datetime1 ) - UNIX_TIMESTAMP( datetime2 )\u2026","provider_name":"Hatena Blog","categories":["MySQL"],"height":"190","version":"1.0","type":"rich","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsagra-da.hatenadiary.org%2Fentry%2F20120409%2F1333991806\" title=\"MySQL\u3067DATETIME\u578b\u306e\u6642\u523b\u5dee\u3092\u8a08\u7b97 - \u5730\u4e2d\u3078\u306e\u306f\u3057\u3054\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2012-04-09 02:16:46","blog_url":"https://sagra-da.hatenadiary.org/"}