What are data files in SQL Server?

Question

SQL Server stores data using two file extensions: MDF files are the data files that hold the data and objects such as tables, indexes, stored procedures and views. LDF files are the transaction log files that record all transactions and the database modifications made by each transaction.

What are data files in database?

Data files are the operating system files that store the data within the database. The data is written to these files in an Oracle proprietary format that cannot be read by other programs. Tempfiles are a special class of data files that are associated only with temporary tablespaces.

How many types of data files exist in SQL Server?

A SQL Server database has three types of files: Primary Data File OR MDF File. Secondary data file OR NDF File. Log File OR LOG File.

What is primary data file in SQL Server?

The Primary Data File is the data file that is the initial data file holding data in SQL Server and points to other files within your database. Primary Data Files have a . mdf extension on them. Secondary Data Files are data files that hold all data that do not belong in the Primary Data File.

What are the types of database files?

What are the three types of Database files?Types of database files:- Data file: This stores all the data. ... - Log file: This stores all the transaction log information. ... - Additional data files: Any additional data is stored in these files. ... Primary: starting point of a database.What are the three types of Database files? Explain them - Career Ride

Expert · Answer