Oracle9i,.10g 闪回查询(flashback)

select * from table_name
as of timestamp to_timestamp('200709171130','yyyymmddhh24mi');

select * from table_name
as of timestamp to_timestamp('200709171130','yyyymmddhh24mi')
where ..... ;

select * from table_name
as of timestamp to_timestamp('200709171130','yyyymmddhh24mi');

现在不是太清楚的是闪回查询9i下是查询undo里面的东西，是否还查询这个table现在的数据，因为返回的不是更新的数据，而是整个table .

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