SP Upgrade from 07 to 10

Move from 07 to 10
Restore DB to the SQL Server
Create a new web app
Remove content DB for this web app
Do command line (power shell) test-spdatabase
Add database: mount-spdatabase

check result: web application --> site collection list
manage content databases --> if the database is there.



Move from 10 to 10
restore DB to SQL server
create a new web application
remove content DB from this web app
run command: new-spcontentdatabase
check result: web application --> site collection list
manage content databases --> if the database is there.