The flashback tag has no wiki summary.
2
votes
2answers
113 views
Duplicating a Database with RMAN
I would like to duplicate to the same server Oracle Database with RMAN. I've configured flash recovery area for Oracle Database. My database is using SPFILE as shown below.
SQL> SELECT ...
0
votes
1answer
56 views
How to purge logs by using Flashback feature in Oracle Database
I’ve configured flash recovery area for Oracle Database. My question is: how can I delete Flashback Database log?or is there any retention policy for that?
2- After I’ve enabled archive log mode and ...
0
votes
1answer
124 views
Is there a way to export Oracle's UNDO?
I tried exp utility to dump all database. Looks like this exports only the last version of data skipping undo log. Using flashback queries I see:
01466. 00000 - "unable to read data - table ...
2
votes
1answer
402 views
Flashback feature in Oracle 11g?
I am using Oracle 11gR1. As a part of a project, I have to execute multiple update statements by disabling a few constraints (triggers and check constraints) which could result in a corrupted ...
3
votes
1answer
271 views
Find out if two rows came from same transaction in Oracle
I am using Oracle 11.1 and would like to figure out if two rows in one table where inserted by the same transaction.
Is there an easy sql statement to map a row to an transactions id? The table is an ...
3
votes
2answers
331 views
Migrating to Oracle Flashback for Historization on Oracle 11g
Our application built using Oracle 11g requires that we keep historic data.
The historization is legally mandated, and is mainly used for manual queries, when investigating problems, etc. Basically ...
3
votes
4answers
335 views
Modifying table structure within a transaction?
In Oracle (and probably elsewhere), executing an ALTER TABLE statement will do an implicit commit on the current transaction.
We have a tool (written in Java) that should modify a schema by:
adding ...
1
vote
1answer
254 views
Difference between Flashback Query and Serializable Transaction Mode?
Is there any conceptual difference between a SERIALIZABLE Transaction and a Flashback Query?
11
votes
3answers
1k views
What other databases have a feature similar to Oracle's Flashback Query?
I am interested to know what other databases have features similar to Oracle's Flashback Query. It would seem that any database that supports MVCC could have the feature, but which do? SO has this ...