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What is log file in SQL?

Contents
  1. What is log file in database?
  2. What does log do in SQL?
  3. How do I view SQL log files?
  4. What is data file and log file?
A transaction log is a file – integral part of every SQL Server database. It contains log records produced during the logging process in a SQL Server database. The transaction log is the most important component of a SQL Server database when it comes to the disaster recovery – however, it must be uncorrupted. 11 февр. 2014 г.


What is log file in database?

A log file is a computer-generated data file that contains information about usage patterns, activities, and operations within an operating system, application, server or another device.

What does log do in SQL?

SQL Server LOG() Function The LOG() function returns the natural logarithm of a specified number, or the logarithm of the number to the specified base. From SQL Server 2012, you can also change the base of the logarithm to another value by using the optional base parameter.

How do I view SQL log files?

View Log Files1In Object Explorer, expand Management.2Do either of the following: Right-click SQL Server Logs, point to View, and then click either SQL Server Log or SQL Server and Windows Log. Expand SQL Server Logs, right-click any log file, and then click View SQL Server Log. You can also double-click any log file.Open Log File Viewer - SQL Server | Microsoft Docs

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.

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