What is filegroups in database?

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. The first thing to know are what types of files SQL Server uses: Primary Data Files. Secondary Data Files. 17 янв. 2017 г.

What is the benefit of using filegroups?

The big benefit of filegroups is to separate database objects. You can put one table or a set of tables on one FG, and indexes on another, or some other configuration. You can also choose to put large object data on its own FG.

What is the difference between files and filegroups in SQL Server?

tl;dr; Filegroups are a logical construct used to separate tables and indexes from each other, files are the physical construct used to store information (log & data) about the database.

How many types of filegroups are there in SQL Server?

There are two types of SQL Server filegroups: primary and user-defined.

What is the MDF file in SQL?

MDF stands for Main Database File and contains all the information in a database. LDF records all the transactions and changes to the database.

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