What is transaction log file in SQL Server?

Question

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 a transaction log in SQL Server?

Every SQL Server database has a transaction log that records all transactions and the database modifications made by each transaction. The transaction log is a critical component of the database. If there is a system failure, you will need that log to bring your database back to a consistent state.

What is the use of transaction log file?

A transaction log is used to record the fact that a transaction is set to occur as well as the information needed by the database server to recover the data back to a consistent state in event of a sever failure while it is writing information to disk.

Where is the transaction log in SQL Server?

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

Can I delete SQL transaction log files?

Note: The active transaction log file cannot be removed. Previously, we saw that once the primary log file becomes full, SQL Server uses the secondary log file. We need to make a secondary transaction log empty, so we can remove it.

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