HTN20190109 https://blog.hatena.ne.jp/HTN20190109/ HTN20190109の日記 https://htn20190109.hatenablog.com/ DB MySQL (8.0.22) 調べた限り方法なし Oracle (19c) drop table tab1 purge;create table tab1(col1 int,col2 varchar2(2000)); declarebeginfor i in 1..1000 loop insert into tab1 values(i,rpad('X',2000,'X')); commit;end loop;end;/ select col1,dbms_rowid.rowid_to_absolute_fno(rowid, 'TEST', 'TAB1') file_id,dbms_rowid.r… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhtn20190109.hatenablog.com%2Fentry%2F2021%2F10%2F08%2F055913" title="ブロック番号確認 - HTN20190109の日記" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2021-10-08 05:59:13 rich https://htn20190109.hatenablog.com/entry/2021/10/08/055913 1.0 100%