摘要：
insert into hr.job_historyselect * from hr.job_history as of timestamp to_timestamp（'2007-07-23 10:20:00', 'yyyy-mm-dd hh24:mi:ss'）； 阅读全文
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摘要：
insert into hr.job_historyselect * from hr.job_history as of timestamp to_timestamp（'2007-07-23 10:20:00', 'yyyy-mm-dd hh24:mi:ss'）； 阅读全文
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