{"type":"rich","title":"UNDO\u8868\u9818\u57df\u306e\u30c7\u30fc\u30bf\u30d5\u30a1\u30a4\u30eb\u306e\u683c\u7d0d\u5834\u6240\u3092\u5909\u66f4\u3059\u308b\u3002","author_url":"https://blog.hatena.ne.jp/wakamori/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwakamori.hatenadiary.org%2Fentry%2F20070221%2Fp1\" title=\"UNDO\u8868\u9818\u57df\u306e\u30c7\u30fc\u30bf\u30d5\u30a1\u30a4\u30eb\u306e\u683c\u7d0d\u5834\u6240\u3092\u5909\u66f4\u3059\u308b\u3002 - \u305d\u3046\u3084\u30d1\u30d1\u306e\u9053\u6a19\" 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","version":"1.0","width":"100%","description":"Oracle\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u72b6\u614b\u3060\u3068REDO\u30ed\u30b0\u3068UNDO\u8868\u9818\u57df\u304c\u540c\u3058\u30c7\u30a3\u30b9\u30af\u4e0a\u306b\u306a\u3063\u305f\u3002 \u66f4\u65b0\u7cfb\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u305f\u3081\u3001REDO\u30ed\u30b0\u3068UNDO\u8868\u9818\u57df\u304c\u540c\u3058\u30c7\u30a3\u30b9\u30af\u3067\u306f\u3001 I/O\u304c\u6c17\u306b\u306a\u308b\u3002\u305d\u3053\u3067I/O\u3092\u5206\u6563\u3055\u305b\u308b\u305f\u3081\u3001UNDO\u8868\u9818\u57df\u306e\u30c7\u30fc\u30bf\u30d5\u30a1\u30a4\u30eb\u3092 \u7570\u306a\u308b\u30c7\u30a3\u30b9\u30af\u306b\u79fb\u52d5\u3057\u3066\u307f\u305f\u306e\u3060\u3002 sqlplus\u3092\u8d77\u52d5\u3002sys\u30e6\u30fc\u30b6\u3067\u30ed\u30b0\u30a4\u30f3\u3059\u308b\u3002 sys\u30e6\u30fc\u30b6\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308b\u306e\u304b\u306f\u4e0d\u660e\u3067\u3059\u304c\u30fb\u30fb\u30fborz. \u3061\u306a\u307f\u306b\u7aef\u672b\u304b\u3089\u30b5\u30fc\u30d0\u306b\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u3001\u30b5\u30fc\u30d0\u4e0a\u3067\u5b9f\u884c\u3057\u3066\u307e\u3059\u3002 $ sqlplus /NOLOG SQL> connect sys/[passwd] as sysdba \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u505c\u6b62 SQL>\u2026","height":"190","url":"https://wakamori.hatenadiary.org/entry/20070221/p1","blog_url":"https://wakamori.hatenadiary.org/","blog_title":"\u305d\u3046\u3084\u30d1\u30d1\u306e\u9053\u6a19","author_name":"wakamori","published":"2007-02-21 00:00:00","categories":["Tech","DB","Oracle"],"image_url":null,"provider_name":"Hatena Blog"}