Oracle查看錶中的數據插入時間
SQL> select to_char(scn_to_timestamp(ORA_ROWSCN),'yyyy-mm-dd hh24:mi:ss:ff8') insert_time from c##a.emp t;
INSERT_TIME
--------------------------------------------------------
2020-03-30 22:13:57:00000000
2020-03-30 22:13:57:00000000
2020-03-30 22:13:57:00000000
2020-03-30 22:13:57:00000000
2020-03-30 22:13:57:00000000
2020-03-30 22:13:57:00000000
2020-03-30 22:13:57:00000000
2020-03-30 22:13:57:00000000
2020-03-30 22:13:57:00000000
2020-03-30 22:13:57:00000000
2020-03-30 22:13:57:00000000
INSERT_TIME
--------------------------------------------------------
2020-03-30 22:13:57:00000000
已選擇 12 行。
參考https://bbs.csdn.net/topics/392606940?depth_1-utm_source=distribute.pc_relevant.none-task-discussion_topic-BlogCommendFromBaidu-1&utm_source=distribute.pc_relevant.none-task-discussion_topic-BlogCommendFromBaidu-1
update後,時間變爲update時的時間,如果在建表時
create table test
(
id int,
name varchar(10)
)
rowdependencies;
增加了rowdependencies選項,或者加個時間戳字段 default sysdate,可以保持不變。(未測試,睡覺)