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1. flashback table table_test to timestamp to_timestamp('20091103000000','yyyymmddhh24miss');
2.Èç¹û報錯ORA-08189: cannot flashback the table because row movement is not enabled
3.alter table table_test enable row movement;
4.OK
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SQL> select ascii(’A’) A,ascii(’a’) a,ascii(’0’) zero,ascii(’ ’) space from dual;
A A ZERO SPACE
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2.CHR
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