What is MDF and log file?

What is the difference between log file and MDF file?

LDF vs MDF A log database file, or LDF, is essentially a log file that contains transaction details in a server. This database is typically used as a backup file. MDF is a component of MSSQL files that generates a database to store data such as account information, personnel information, and market trends.

What is MDF SQL file?

ndf extension is a secondary database file used by Microsoft SQL Server to store user data. NDF is secondary storage file because SQL server stores user specified data in primary storage file known as MDF.

What is MDF file used for?

mdf extension is a Master Database File used by Microsoft SQL Server to store user data. It is of prime importance as all the data is stored in this file. The MDF file stores users data in relational databases in the form columns, rows, fields, indexes, views, and tables.

What is data file and log file?

Data files contain data and objects such as tables, indexes, stored procedures, and views. Log files contain the information that is required to recover all transactions in the database.