select * from departments as of timestamp sysdate - 1/12
desc flashback_transaction_query
sql> create tablespace fla datafile '/u01/app/oracle/oradata/orcl/fla01.dbf' size 10m; SQL> create flashback archive fla1 tablespace fla quota 10m retention 1000 year; Flashback archive created. SQL> grant flashback archive on fla1 to bla; Grant succeeded. als user SQL> alter table blu flashback archive fla1; DMLs sql> commit; SQL> select * from user_flashback_archive_tables; SQL> select * from blu as of timestamp (systimestamp - ds_interval('0 00:02:00'));
SQL> startup mount ORACLE instance started. SQL> alter database archivelog; Database altered. SQL> alter database add supplemental log data; Database altered. SQL> alter database add supplemental log data (primary key) columns; Database altered. SQL> startup force SQL> alter system archive log current; SQL> alter system archive log current; sql> dmls an der tabelle => commit im em schema-> tables -> flashback transactions