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Oracle查看表中的数据插入时间
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
已选择 12 行。
参考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后，时间变为update时的时间，如果在建表时
create table test
(
id int,
name varchar(10)
)
rowdependencies;
增加了rowdependencies选项，或者加个时间戳字段 default sysdate，可以保持不变。（未测试，睡觉）
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