I have made SharePoint 2013 Web Application content database backup.
Now I'm working on to restore content database into SharePoint 2016 farm.
please guide me with some steps..
Mount-SPContentDatabase "<ContentDb>" -DatabaseServer "<DbServer>" -WebApplication http://SiteName
For more details check Restore / Migrate a SharePoint Web Application to another farm from SQL Database Backup
If you need to perform full upgrade process , Check also Create the SharePoint Server 2016 farm for a database attach upgrade
In that case
Mount-SPContentDatabase -Name DatabaseName -DatabaseServer ServerName -WebApplication URLeyou can use skip upgrade parameter if you don't want to upgrade. You can do it later
This is really good technet article: Upgrade content databases to SharePoint Server 2016