What is the use of .NDF file in SQL Server?

What is mdf and NDF 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.

How do I view a .NDF file?

How to open file with NDF extension?1Install Microsoft SQL Server software. ... 2Check the version of Microsoft SQL Server and update if needed. ... 3Assign Microsoft SQL Server to NDF files. ... 4Ensure that the NDF file is complete and free of errors.How To Open File With NDF Extension?

What is secondary database file?

Secondary data file. This type of data file includes all data files other than the primary data files. A database can have both, several secondary data files or none of them. Use *. ndf extension to mark a secondary data file.

What is the LDF file in SQL?

The LDF file is the transaction log that allows you to perform “point in time” restores if you have system failures. The way it works is that you can restore from your last full backup and “replay” the transactions from the transaction log file.