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How Controlfile SCN remain in sync after move database with cold backup

AKPTNov 14 2014 — edited Nov 15 2014

Hello DBAs,

I have doubt as :

Whenever we move a database from cold backup. We create a new controlfile with new locations of datafiles/redologs etc.

And then we execute "create controlfile reuse ....noresetlogs ....;" to create controlfile.

After this we open database as >> alter database open;

Now question is :

We are able to open database without "resetlogs" clause.

Here we create a new controlfile therefore SCN in controlfile will not be in sync with SCN of datafile and redo file.

Please let me know how new controlfiles' SCN is in sync with datafile and redofile and wea are able to open database without resetlogs clause.

Oracle: 11.2.0.4

OS: Linux

This post has been answered by Hemant K Chitale on Nov 14 2014
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