In SQL Server, the MDF file is the main database file that includes the database schema and data. If the MDF file is damaged or unavailable, the user or organization is in a bad situation. Users are unable to open and access their personal data due to corruption. So, it becomes necessary to retrieve data. The user should know how to repair MDF file in SQL server 2012 if such a scenario arises. To address this issue, we have compiled a list of the best MDF file recovery options. Before we proceed to the solution, we should first identify the source and reasons for the corruption so that the issue can be resolved correctly.
User Query
“Hello, My SQL Server 2012 data file has been corrupted, and I do not have a backup of the database. However, there appears to be no issue in the log file (ldf). Could someone suggest me solution for retrieving data from a corrupted MDF file? Can someone tell me how to repair MDF file in SQL server 2012? I’ve previously tried the DBCC CHECKDB repair command, but they didn’t work. Please provide an assured solution.”
Major Causes of MDF File Corruption
1. If a user has the SQL database saved in a compressed folder.
2. If any modifications are made to a SQL Server account.
3. Damage to the storage media on which all MDF files are kept.
4. If the file header is destroyed, this will also corrupt MDF files.
5. If the SQL database is utilized and a network problem occurs during processing.
6. Hard drive failure, malware attack, unexpected power outage, incorrect system shutdown, and so on.
Using the DBCC CHECKDB command to repair MDF file in SQL server 2012
The following are the steps to recover corrupt MDF files using the DBCC command:
-
Execute the DBCC CHECKDB command.
DBCC CHECKDB (Database_Name)
-
Then check the index ID.
• If the index ID is more than one, delete it and recreate it.
• If the index ID is 0 or 1, rerun DBCC CHECKDB with the appropriate repair options shown below.
DBCC CHECK (Database_Name, repair_fast)
DBCC CHECK (Database_Name, repair_rebuild)
DBCC CHECK (Database_Name, repair_allow_data_loss)
When Does the DBCC CHECKDB Command Fail?
This command cannot repair numerous MDF file corruption. This method is more likely to fail if you want to repair multiple MDF files at once. Furthermore, significant technical expertise is required to carry out this manual solution. Overall, the method described above is complicated, does not ensure complete repairing and recovery. Additionally, it is a time-consuming method for a large number of MDF files. You can utilize some alternative solution to avoid all of these difficulties and restore MDF files effectively.
Professional Solution to Repair MDF file in SQL Server
To make the task easier and errorfree, it is suggested to use an enterprise-grade leel professional SQL repair tool. It canan easily reapir thecorrupt or damaged database within a feew simple mouse clicks. MDF file created in any version of SQL server can repair quickly with this tool.
Simple Steps To Recover An MDF File From SQL Server 2012
Step 1. Download and run the application. Then load .mdf files by clicking on the Open option.
Step 2: Select Scan Mode “Quick” or “Advance.” Check the “Auto detect” box as well to detect the SQL MDF file version.
Step 3. After completion of scanning, preview the database objects.
Step 4. Select Export to “SQL Server Database” and input your SQL account credentials.
Step 5. Choose whether the SQL database file should be restored to a “new or existing database”.
Step 6. Choose Export With “Only Schema” or “Export With Schema & Data.” Now, select the “Export” option.
Why Recovery tool is efficient to Recover a Corrupt MDF File?
Because of various restrictions, the manual approach does not always let you restore damaged SQL MDF files. In that case, recovery software is an excellent option for repairing MDF files correctly and with a complete guarantee. The above-mentioned utility has several characteristics, including:
-
Easy-to-use control panel & simple interface
-
100% virus-free, Safe and Secure solution
-
Recover both SQL database – MDF and NDF files
-
Multiple export options to choose from
-
Repair and Restore deleted database items.
-
Supports SQL Server 2019, 2017, 2016, 2014, 2012 and all earlier versions
Final Thoughts
In this article, we answered the query that how to repair MDF file in SQL server 2012. We understand the importance of SQL databases, and any damage in MDF is unacceptable. We have recommended the finest program for repairing damaged SQL MDF files. Because serious corruption concerns cannot be resolved via only a manual approach. Therefore, it is advised to practice a utility recommended by experts to restore corrupt MDF files.
Read Also : How to Import EML Files to Office365- A Quick Expert Solution