What is LDF? What Opens a LDF? File Format List from WhatIs.com

File Extension

LDF File Format

Microsoft SQL Server log file

LDF is a file extension for a log file used with Microsoft SQL Server. LDF files contain logging information for all transactions completed by the server. LDF files are used to time stamp any transactions to the SQL Server database, allowing the SQL database to be easily recoverable in the case of data loss.

MIME type: application/octet-stream

The LDF file extension is also used for library definition files for Geoworks Glue.

 

Learn more about .LDF files:

SearchSQLServer.com provides relevant news, learning resources and expert advice. 

Learn more about SQL Server at ITKnowledgeExchange.com.

Troubleshoot LDF files at the Microsoft Support web page.

This was last updated in August 2010
Editorial Director Margaret Rouse

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