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Re:Datomic Is Now Free by twic on Friday April 28, 2023 @06:25AM (#35739499)
Oracle lets you use the MVCC data to query past states of the database, called "flashback":

https://docs.oracle.com/en/database/oracle/oracle-database/2...

You can configure how long the old data is kept:

https://docs.oracle.com/en/database/oracle/oracle-database/2...

Worked examples:

http://www.dba-oracle.com/t_rman_149_flasbback_query.htm

Re:Datomic Is Now Free by JohnBooty on Friday April 28, 2023 @10:02AM (#35741369)
Wow, super informative. Thank you so much.