Written By Kiran Sharma
Updated on April 13th, 2023
This blog is composed to present the multiple methods to import MDF file to SQL server database without the LDF log file when the MDF file is in a corrupt or missing state.
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As users know, SQL Server is a famous application for storing and managing large amounts of data, has database files to store its information. Basically, it has two types of files. The MDF files are the primary files of the SQL server database which are used to manage the schema and data. Other than this database file, the LDF file is the Log Database File, which stores transactional or log information of the SQL database. Furthermore, the LDF files can also be used for checking the logs in case of corruption. Sometimes, these log files get missing while attaching the MDF file to the server, and the process fails due to this. In such circumstances, one job can be done – attach MDF without LDF log file. After the MDF file is successfully added, log files would be generated automatically.
Now, let’s learn the cases in which the LDF files are missing.
Why Add MDF file to SQL server Without LDF?
When the user try to attach or import MDF files in SQL and if you are getting an error message while attempting this process, it means your SQL Server database files have some corruption issues. You cannot take the log backup if there is corruption in your LDF file. As your LDF files may be missing due to corruption. In this situation, you can attach your MDF file without the LDF file and restore the MDF file SQL server. This can further resolve your problem if your log files are deleted intentionally or unintentionally.
So, in the below section, I am going to discuss various techniques to attach MDF files to SQL server.
There are primarily two techniques to attach SQL MDF files without LDF manually.
It is an easy method and does not need any technical skills for its achievement. The SQL server interface allows SQL administrators and authorized users to attach MDF files and remove corrupt or missing (not found status) log files. Let us make it more precise with the steps and screenshots.
Also Read – How to Fix Recovery Pending State in SQL Server Database
With basic knowledge of SQL scripts, you can try to add the SQL database again without the Log (.ldf) files. To do so follow the below directions carefully.
CREATE DATABASE <mdf file name> ON
(FILENAME = ‘C:\Program Files\Microsoft SQL Server\MSSQL14.SQLEXPRESS\MSSQL\Template Data\.mdf‘)
This technique needs some technical skills and prior knowledge of running scripts.
The techniques mentioned above do not work if your database MDF file is corrupted. In such circumstances, it is recommended to use the SQL Database Recovery tool. The software can efficiently scan and repair corrupt database files in just a few simple clicks. After the file is repaired successfully, you can easily import MDF file to SQL server database environment. Moreover, the tool support to repair database MDF & NDF file of SQL Server 2000, 2005, 2008, 2012, 2014, and 2016.
Follow the Steps to Repair SQL Database and restore MDF without LDF:
In this technical essay, you have noticed different methods to attach MDF file without LDF file. By using SSMS – SQL Server Management Studio, T-SQL Script, and repairing SQL database using an automated tool. The DIY methods will work only for the unharmed MDF file. But if the database file you are trying to attach is corrupted, then first try to restore from a recent backup of your database or if the problem is not fixed then it is recommended to use the alternate solution which is able to repair and import MDF file to SQL Server easily.
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