{"categories":["DB"],"image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhtn20190109.hatenablog.com%2Fentry%2F2022%2F09%2F03%2F211409\" title=\"\u30aa\u30f3\u30e9\u30a4\u30f3\u518d\u5b9a\u7fa9(\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u8ffd\u52a0) - 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","provider_url":"https://hatena.blog","width":"100%","published":"2022-09-03 21:14:09","author_url":"https://blog.hatena.ne.jp/HTN20190109/","provider_name":"Hatena Blog","url":"https://htn20190109.hatenablog.com/entry/2022/09/03/211409","height":"190","blog_url":"https://htn20190109.hatenablog.com/","version":"1.0","description":"\u66f4\u65b0\u5f85\u3061\u6642\u9593\u7d50\u679c MySQLpt-online-schema-change -> 8\u79d2ALGORITHM=INPLACE -> \u307b\u307c\u7121\u3057ALGORITHM=COPY -> 5\u79d2(\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u6210\u6642\u9593) Oracledbms_redefinition -> 0.5\u79d2online\u3042\u308a -> \u307b\u307c\u7121\u3057online\u306a\u3057 -> 8\u79d2(\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u6210\u6642\u9593) PostgreSQLconcurrently\u3042\u308a -> 3\u79d2concurrently\u306a\u3057 -> 6\u79d2(\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u6210\u6642\u9593) SQL Serveronline=on -> 1\u79d2online=off -> 5\u79d2(\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u6210\u6642\u9593) MySQL (8\u2026","type":"rich","blog_title":"HTN20190109\u306e\u65e5\u8a18","title":"\u30aa\u30f3\u30e9\u30a4\u30f3\u518d\u5b9a\u7fa9(\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u8ffd\u52a0)"}