Refer : https://docs.microsoft.com/en-us/sharepoint/administration/restore-a-content-database
From SQL Server:
1) Right click on databases--> restore database-->Under General--->give name of database(which name you want to prefer)--> select back file from local machine-----> two files will be added
2)Options--->if you want to override you can ,orelse we can create new one-->ok
From SQL Server:
1) Right click on databases--> restore database-->Under General--->give name of database(which name you want to prefer)--> select back file from local machine-----> two files will be added
2)Options--->if you want to override you can ,orelse we can create new one-->ok