{"image_url":null,"author_name":"usaing","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fusaing.hateblo.jp%2Fentry%2F2017%2F12%2F21%2F145007\" title=\"MySQL\u3067NULL\u304c\u6700\u5f8c\u306b\u306a\u308b\u3088\u3046\u306b\u30bd\u30fc\u30c8\u3057\u305f\u3044 - usaing\u2019s diary\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"usaing\u2019s diary","blog_url":"https://usaing.hateblo.jp/","width":"100%","url":"https://usaing.hateblo.jp/entry/2017/12/21/145007","title":"MySQL\u3067NULL\u304c\u6700\u5f8c\u306b\u306a\u308b\u3088\u3046\u306b\u30bd\u30fc\u30c8\u3057\u305f\u3044","version":"1.0","author_url":"https://blog.hatena.ne.jp/usaing/","categories":["MySQL"],"published":"2017-12-21 14:50:07","type":"rich","height":"190","description":"MySQL\u3067NULL\u304c\u5165\u3063\u3066\u3044\u305f\u6642\u306e\u30bd\u30fc\u30c8\u3092\u601d\u3044\u901a\u308a\u306b\u3057\u305f\u3044\u3002 \u6607\u9806\u3067NULL\u304c\u982d ORDER BY `name` ASC +------+ | name | +------+ | NULL | | \u30a2 | | \u30a4 | +------+ \u964d\u9806\u3067NULL\u304c\u6700\u5f8c ORDER BY `name` DESC +------+ | name | +------+ | \u30a4 | | \u30a2 | | NULL | +------+ \u6607\u9806\u3067NULL\u304c\u6700\u5f8c ORDER BY `name` IS NULL ASC, `name` ASC +------+ | name | +------+ | \u30a2 | | \u30a4 | | \u2026"}