Why would you specify a particular filegroup for a table?

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There are two primary reasons for creating filegroups: performance and recovery. Filegroups that contain files created on specific disks can alleviate disk performance issues. For example, you may have one very large table in your database with a lot of read and write activity â€“ an orders table, perhaps. 26 апр. 2011 г.

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 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.

What is a filegroup name the two main types of filegroups?

Primary and Secondary Filegroups. A primary filegroup contains the primary datafile (mdf) and possibly secondary datafiles (ndf). All system tables are allocated to the primary filegroup. A secondary filegroup (also called a user-defined filegroup) contains secondary datafiles (ndf) and database objects.

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