What is the use of secondary data file?

What is the purpose of the secondary data file?

Secondary Data Files are data files that hold all data that do not belong in the Primary Data File. Data that doesn't go into the Primary Data File is told to do so and set in a setting in SQL Server. Secondary Files are optional.

What is a secondary file?

Secondary files can be used to spread data across multiple disks by putting each file on a different disk drive. Additionally, if a database exceeds the maximum size for a single Windows file, you can use secondary data files so the database can continue to grow.

What is the purpose of a filegroup in SQL Server?

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 primary data file?

The primary data file is the starting point of the database and points to the other files in the database. Every database has one primary data file. The recommended file name extension for primary data files is .