What is the recommended file extension for primary and secondary data files?

What is the file extension for secondary data files?

The recommended file name extension for secondary data files is . ndf. The log holds information used to recover the database. There must be at least one log file for each database.

What are primary and secondary data files?

Primary data refers to the first hand data gathered by the researcher himself. Secondary data means data collected by someone else earlier. Data. Real time data. Past data.

What is the file extension for a SQL database?

The SQL Server database stores data in MDF files. Typically, . mdf is a preferred extension of the primary database file.

What are MDF and NDF files 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.