What is the purpose of secondary data file in SQL?

Question

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. 17 янв. 2017 г.

What is SQL Server database secondary data file?

Secondary data files are useful when we want to stripe the data across multiple drives of the database server. For example, if you want to keep the tables on X drive and indexes on Y drive, then you can keep the tables on the primary data file and indexes on the secondary data file.

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 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 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 .

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