⟩ Please explain how would you a Migrate a Site Collection in SharePoint 2013?
☛ Backup and Restore SharePoint 2010 Content database in your SharePoint 2013 farm.
☛ Run Test-SPContentDatabase cmdlet to identify missing Components along with potential errors and related warnings. Check the upgrade log and deploy any missing components and re-run the cmdlet to verify.
☛ Attach the Content database to the desired web application using Mount-SPContentDatabase cmdlet.
☛ After successfully mounting the content database to web application, the site should be accessible in 14 mode.
☛ Next, to Upgrade the site to 15 Hive, Navigate to SiteUpgrade.aspx page in Site Setting of your site collection.
☛ Click on “Upgrade the Site Collection” button.
☛ During the upgrade The SiteUpgrade.aspx page shows the progress and provides a link to an upgrade log for troubleshooting purposes.
☛ Site Collection Should now be accessible in 15 mode.
