{"blog_title":"\u7406\u7cfb\u5b66\u751f\u65e5\u8a18","provider_name":"Hatena Blog","url":"https://kiririmode.hatenablog.jp/entry/20080821/p2","width":"100%","version":"1.0","title":"Chapter 7. (Data Generation, Conversion, and Manipulation)","author_url":"https://blog.hatena.ne.jp/kiririmode/","categories":["study"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkiririmode.hatenablog.jp%2Fentry%2F20080821%2Fp2\" title=\"Chapter 7. (Data Generation, Conversion, and Manipulation) - \u7406\u7cfb\u5b66\u751f\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","blog_url":"https://kiririmode.hatenablog.jp/","published":"2008-08-21 00:00:01","author_name":"kiririmode","type":"rich","image_url":null,"description":"memo. -varchar \u306f\u683c\u7d0d\u3059\u308b\u6587\u5b57\u5217\u306b\u898b\u5408\u3063\u305f\u30e1\u30e2\u30ea\u3057\u304b\u78ba\u4fdd\u3057\u306a\u3044\u306e\u3067\uff0cCREATE \u6642\uff0c\u30b5\u30a4\u30ba\u306b\u95a2\u3057\u3066\u306f\u5341\u5206\u5927\u304d\u306a\u5024\u3092\u6307\u5b9a\u3057\u3066\u304a\u304f\u3079\u304d\uff0e\u305d\u3046\u3057\u306a\u3044\u3068\u9577\u3044\u6587\u5b57\u5217\u3092\u767b\u9332\u3057\u3066\u3082 truncate \u3055\u308c\u308b\uff0e -MySQL \u3060\u3068\u7d44\u307f\u8fbc\u307f\u95a2\u6570\u3068\u3057\u3066 QUOTE \u304c\u4f7f\u3048\u308b\uff0e\u3053\u308c\u306f\uff0c\u6587\u5b57\u5217\u3092 ' \u3067\u56f2\u307f\uff0c\u304b\u3064\u5fc5\u8981\u306a\u3089\u3070\u6587\u5b57\u5217\u4e2d\u306e\u7279\u6b8a\u6587\u5b57\u3092\u30a8\u30b9\u30b1\u30fc\u30d7\u3057\u3066\u304f\u308c\u308b\u6a5f\u80fd\u3092\u63d0\u4f9b\u3059\u308b\uff0e -LENGTH() \u3067\u6587\u5b57\u5217\u306e\u9577\u3055\u3092\u5f97\u308b\u3068\u304d\u306f\uff0c\u4f8b\u3048\u305d\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u304c char \u3067\u3042\u3063\u3066\u3082\uff0c\u5b9f\u969b\u306e\u6587\u5b57\u5217\u306e\u9577\u3055\u304c\u8fd4\u3063\u3066\u304f\u308b (\u30b9\u30ad\u30fc\u30de\u4f5c\u6210\u6642\u306b\u6307\u5b9a\u3057\u305f\u56fa\u5b9a\u9577\u3067\u306f\u306a\u3044)","height":"190"}