What is the purpose of a filegroup in SQL Server?

What is the purpose of creating a filegroup?

The filegroup contains the primary data file and any secondary files that aren't put into other filegroups. User-defined filegroups can be created to group data files together for administrative, data allocation, and placement purposes.

What is the purpose of secondary data file?

Secondary data files are optional and can be used to spread data across multiple files/disks by putting each file on a different disk drive. SQL Server databases can have multiple data and log files, but only one primary data file.

What is troubleshooting in SQL Server?

In this article Welcome to SQL Server troubleshooting. These articles explain how to determine, diagnose, and fix issues that you might encounter when you use SQL Server.

What is the purpose of master DB?

The master database records all the system-level information for a SQL Server system. This includes instance-wide metadata such as logon accounts, endpoints, linked servers, and system configuration settings.