database snapshot question

I have two database server A and B. They are identical, and the databases are identical. Now I want to upgrade B, adding  a lot of schema changes....etc. server A still up and running doing production. The database upgrade process will take 1 day.

After B upgrade is completed, I want to take A database snapshot from A then restore to B so that B and A in data are merged and consistent. No missing data. I don't know if this can be doable?? Please advice
wasabi3689Asked:
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Deepak ChauhanSQL Server DBACommented:
You have upgraded database B and made lot of schema changes, if you will restore database A over B then copy of database A will take place over B and all changes which you have made in B will be lost.
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wasabi3689Author Commented:
Is it possible I only merge data  from A to B but keep all changes in B, or  how to do to keep B all changes but use A's up today data? any way to be able to do that?
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Vitor MontalvãoMSSQL Senior EngineerCommented:
So database A is your Production database and database B is your Development database, right?
Now you made schema changes in Development (B) but you want B to be populated with Production data (A), correct?

The above can be done if you didn't delete any object from B and the changes you made are still compatible with A (increasing a column size for example) and any new object you added in B doesn't interfere with existing objects (new columns, triggers, stored procedures, ...).

With that said, you can export data by using the Import/Export data feature that exists in SSMS. Just follow the wizard and you should be fine.
SSMS_ImportExportData.PNG
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Vitor MontalvãoMSSQL Senior EngineerCommented:
wasabi, do you still need help with this question?
A feedback will be appreciated.
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Vitor MontalvãoMSSQL Senior EngineerCommented:
Solution provided.
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