Database Files and Filegroups - SQL Server | Microsoft Learn
https://learn.microsoft.com/en-us/sql/relational-databases/databases/database-files-and-filegroups?view=sql-server-ver16
•The primary filegroup contains the primary data file and any secondary files that aren't put into other filegroups. Applies to: SQL Server Azure SQL Managed Instance SQL Server databases have three types of files, as shown in the following table. Filegroups use a proportional fill strategy across all the files within each filegroup. … The form of file that is used by a database snapshot to store its copy-on-write data …
•The primary filegroup contains the primary data file and any secondary files that aren't put into other filegroups.
Applies to: SQL Server Azure SQL Managed Instance
SQL Server databases have three types of files, as shown in the following table.
Filegroups use a proportional fill strategy across all the files within each filegroup. …
The form of file that is used by a database snapshot to store its copy-on-write data …
DA: 72 PA: 13 MOZ Rank: 90 Up or Down: Up