SQL> flashback table t to scn :scn;
flashback table t to scn :scn
*
ERROR at line 1:
ORA-08189: cannot flashback the table because row movement is not enabled
SQL> !oerr ora 8189
08189, 00000, "cannot flashback the table because row movement is not enabled"
// *Cause: An attempt was made to perform. Flashback Table operation on a table for
// which row movement has not been enabled. Because the Flashback Table
// does not preserve the rowids, it is necessary that row
// movement be enabled on the table.
// *Action: Enable row movement on the table
SQL> alter table t enable row movement;
Table altered.
SQL> flashback table t to scn :scn;
Flashback complete.
闪回表处理会对表完成delete，然后重新插入行，这样就会为行分配新的rowid.
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