-- 笔记中部分内容SQL> create table tt2 as select * from employee;Table created.SQL> drop table tt2;Table dropped.SQL> select * from tt2; select * from tt2 *ERROR at line 1:ORA-00942: table or view does not existSQL> flashback table tt2 to before drop;Flashback complete.SQL> select count(1) from tt2; COUNT(1)---------- 32如果在表删除后,又新建了这个表,恢复时可以重命名,如下:SQL> drop table tt2;Table dropped.SQL> flashback table tt2 to before drop 2 rename to tt2_old;Flashback complete.SQL> select c...
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