What are file groups in SQL Server?

Question

Filegroups are the physical files on your disc volumes that hold SQL Server's data and can be used for backup and administrative management purposes. 17 янв. 2017 г.

What is file group in database?

Database filegroups consist of files and database objects (tables, indexes, stored procedures, etc). Log files are never part of a filegroup because log space and data space are managed separately.

What are the types of files in SQL Server?

A SQL Server database has three types of files:Primary Data File OR MDF File.Secondary data file OR NDF File.Log File OR LOG File.Different methods to attach SQL Server MDF files - SQLShack

What is secondary file group in SQL Server?

A secondary filegroup (also called a user-defined filegroup) contains secondary datafiles (ndf) and database objects. The default filegroup contains objects which were created without an assigned filegroup. The primary filegroup is the default filegroup unless another filegroup is specified.

What are MDF and NDF files in SQL Server?

A Microsoft SQL database consists a primary data file (mdf) a secondary data file (ndf) and a transaction log file (ldf). For this article, we will concern ourselves with the mdf and ldf files. MDF stands for Main Database File and contains all the information in a database.

Expert · Answer