{"published":"2020-06-28 02:57:58","title":"\u672a\u4f7f\u7528\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u8abf\u67fb","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhtn20190109.hatenablog.com%2Fentry%2F2020%2F06%2F28%2F025758\" title=\"\u672a\u4f7f\u7528\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u8abf\u67fb - 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>","blog_url":"https://htn20190109.hatenablog.com/","blog_title":"HTN20190109\u306e\u65e5\u8a18","description":"MySQL (5.6) select object_name,index_namefrom performance_schema.table_io_waits_summary_by_index_usagewhere object_schema = 'test'and index_name is not nulland count_read = 0order by object_name,index_name; (8.0.18)select * from sys.schema_unused_indexes; Oracle (12cR1) alter index ind1 monitoring u\u2026","type":"rich","provider_url":"https://hatena.blog","categories":["DB"],"author_name":"HTN20190109","author_url":"https://blog.hatena.ne.jp/HTN20190109/","image_url":null,"height":"190","width":"100%","url":"https://htn20190109.hatenablog.com/entry/2020/06/28/025758","provider_name":"Hatena Blog","version":"1.0"}