What does it mean to use a FILESTREAM filegroup?

What does it mean to use a FILESTREAM filegroup?

A FILESTREAM filegroup is a special filegroup that contains file system directories instead of the files themselves. These file system directories are called data containers. Data containers are the interface between Database Engine storage and file system storage. When you use FILESTREAM storage, consider the following:

Where are FILESTREAM files stored in SQL Server?

FILESTREAM data must be stored in FILESTREAM filegroups. A FILESTREAM filegroup is a special filegroup that contains file system directories instead of the files themselves. These file system directories are called data containers. Data containers are the interface between Database Engine storage and file system storage.

How big should a file system be to use FILESTREAM?

The size and use of the data determines whether you should use database storage or file system storage. If the following conditions are true, you should consider using FILESTREAM: Objects that are being stored are, on average, larger than 1 MB. Fast read access is important.

How do I add a database to a FILESTREAM table?

Once the database is created, open the database properties to add the file in the newly created ‘DemoFileStream’ filegroup. Specify the Database file name and select the file type as ‘FILESTREAM Data’ from the drop-down option. In the filegroup, it automatically shows the SQL Server FILESTREAM filegroup name.

How does the FILESTREAM feature work in SQL Server?

The SQL Server FILESTREAM feature allow you to store varbinary (max) binary large object data as files in the file system. When you have a large number of rows in FILESTREAM containers, which are the underlying storage for both FILESTREAM columns and FileTables, you can end up with a file system volume that contains large number of files.

How does the FILESTREAM class in System.IO work?

Initializes a new instance of the FileStream class for the specified file handle, with the specified read/write permission and FileStream instance ownership. Obsolete. Obsolete.