{"type":"rich","categories":["\u6f14\u7fd2"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhtn20190109.hatenablog.com%2Fentry%2F2025%2F02%2F27%2F181302\" title=\"{16 \u8ffd\u52a0}PDB\u306e\u30d5\u30e9\u30c3\u30b7\u30e5\u30d0\u30c3\u30af\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9 - HTN20190109\u306e\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>","author_name":"HTN20190109","url":"https://htn20190109.hatenablog.com/entry/2025/02/27/181302","provider_name":"Hatena Blog","published":"2025-02-27 18:13:02","height":"190","title":"{16 \u8ffd\u52a0}PDB\u306e\u30d5\u30e9\u30c3\u30b7\u30e5\u30d0\u30c3\u30af\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9","blog_title":"HTN20190109\u306e\u65e5\u8a18","blog_url":"https://htn20190109.hatenablog.com/","description":"https://docs.oracle.com/cd/F19136_01/bradv/rman-performing-flashback-dbpitr.html#GUID-C1215E86-9A7B-4EC9-9777-2A18BD627394 sql SELECT * FROM DATABASE_PROPERTIES WHERE PROPERTY_NAME='LOCAL_UNDO_ENABLED'; select flashback_on from v$database;alter database flashback on;select flashback_on from v$databa\u2026","author_url":"https://blog.hatena.ne.jp/HTN20190109/","width":"100%","version":"1.0","provider_url":"https://hatena.blog","image_url":null}