Difference between the SNA and log sequence number

Hi all

Please, is there a difference between the number of number (SCN) and sequence of journal system change ?

Thank you.

Query V$ LOG_HISTORY or V$ ARCHIVED_LOG

select sequence#, first_change# from v$log_history order by 1;
select sequence#, first_change# from v$archived_log order by 1;

Hemant K Collette
http://hemantoracledba.blogspot.com

Tags: Database

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