{"blog_title":"HTN20190109\u306e\u65e5\u8a18","description":"https://docs.oracle.com/cd/F19136_01/sqlrf/ALTER-TABLE.html sqlplus test/test@pdb11 create table jisei_test(col1 number);select * from user_tab_cols where table_name = 'JISEI_TEST'; alter table JISEI_TEST add(PERIOD FOR emp_track_time);alter table JISEI_TEST drop(PERIOD FOR emp_track_time);","width":"100%","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/HTN20190109/","version":"1.0","height":"190","published":"2025-01-04 14:40:32","author_name":"HTN20190109","categories":["\u6f14\u7fd2"],"blog_url":"https://htn20190109.hatenablog.com/","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhtn20190109.hatenablog.com%2Fentry%2F2025%2F01%2F04%2F144032\" title=\"{5 \u6642\u9593\u7684\u306a\u6709\u52b9\u6027}\u65e2\u5b58\u8868\u306b\u3064\u3044\u3066\u6709\u52b9\u671f\u9593\u30c7\u30a3\u30e1\u30f3\u30b7\u30e7\u30f3\u3092\u8ffd\u52a0/\u524a\u9664 - 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>","url":"https://htn20190109.hatenablog.com/entry/2025/01/04/144032","title":"{5 \u6642\u9593\u7684\u306a\u6709\u52b9\u6027}\u65e2\u5b58\u8868\u306b\u3064\u3044\u3066\u6709\u52b9\u671f\u9593\u30c7\u30a3\u30e1\u30f3\u30b7\u30e7\u30f3\u3092\u8ffd\u52a0/\u524a\u9664","provider_name":"Hatena Blog","image_url":null}