How to Repair SQLite Database Corruption: Guide in Detail

Summary: SQLite is the most popular relational database engine used for small and medium-sized applications. Whether users are developing mobile apps, web services, or handling large datasets, SQLite is the best solution. However, when any SQLite database corruption occurs, leading to data loss or application crashes. If you are also facing issues with your database file then, don’t worry. This article discusses the best way to repair SQLite database corruption or try SQLite Database Recovery for ease and quick recovery.
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Why Corrupt SQLite Database?

Common causes of SQLite database corruption such as:

• Failure of hardware or software.
• Unexpectedly shutdown systems.
• Malware and antivirus errors occur.
• Unauthorized users gain access.
• Misconfigured SQlite DB settings.

How to Fix Corrupted SQLite Database?

The SQLite database file can be corrupted for several reasons. When this happens, it can prevent you from accessing or modifying the data stored in the database. In this section, we explain various approaches to fixing this problem. 

Important: Before attempting any repair process, always make a copy of the corrupted database file. This is crucial because the repair process could potentially cause data loss if something goes wrong.

Manual Method to Repair SQLite Database Corruption Online 

There are two manual methods available to recover SQLite DB. Users can potentially repair corrupt SQLite database files by following the methods:

Method 1: Manually Repair Corrupt SQLite Database

This method contains multiple steps, perform all the steps carefully:

Step 1: Run the SQLite Integrity Check

1. Firstly, open the Command Prompt to run the commands.
2. To open the database, run the command: 

sqlite3 path_to_your_database.db

3. Now, to check the corruption run the command: 

PRAGMA integrity_check;

4. If there’s corruption, it will likely return an error like: 

Error: The database disk image is malformed

Step 2: Use the SQLite .recover Command

1. Again, open the Command Prompt.
2. Now, Open the SQLite command-line tool again with the command: 

sqlite3 path_to_your_corrupted_database.db.

3. Recover the data using the .recover command.
4. Print the recovered data by typing this command and press Enter.

.recover > recovered_data.sql

5. Lastly, create a new database file and import it. To do so, run the command: 

sqlite3 new_database.db < recovered_data.sql.

Method 2: Alternatively Recover the SQLite Database File 

1. Firstly, open the DB Browser for the SQLite Database file.
2. Now, click on the Execute SQL option to run the commands.
3. After that, type PRAGMA integrity_check and click Enter.
4. If any error is found then, export the database.
5. Click on the File option and choose Export.
6. Further, select Database to SQL file.
7. Later, click on OK to start the exporting process.
8. To import the data, click on File again.
9. Then, choose the Import option.
10. Lastly, click on Database from the SQL file.

Limitations of the Manual Method

• It does not provide a guarantee of 100% accurate recovery.
• Technical skills and the ability to execute commands are required.
• The process is quite difficult, lengthy, and time-consuming.
• Chances of data loss, privacy, and integrity also.

Dedicated Software to Repair SQLite Database Corruption

The best SQLite Database Recovery Software allows users to repair corrupt or damaged SQLite database files effectively. This tool offers an advanced feature that allows users to restore multiple database objects, such as Tables, Indexes, Views, Triggers, etc., at once. In addition, it provides a dual recovery mode and helps preview the content of recovered data files. Moreover, it supports corrupt SQLite files created by versions SQLite2 and SQLite3.

• Applicable to Fix SQLite Error Database Disk image is Malformed.
• Highly compatible with all the oldest and latest Windows versions.
• Provide a simple GUI that is suitable for tech or non-tech users.

Here is How to Fix Corrupted SQLite Database

1. Firstly, launch the SQLite Database Recovery Software as an admin.
2. Now, click on Open to add a corrupt SQLite database file.
3. After that, check the path of the added corrupted file.
4. Further, choose Recovery Mode and use optional features.
5. Then, click OK, Preview the file, and then, select the files to save.
6. Lastly, click on Save and define the location to save the file.

Conclusion

To wrap up, fixing an SQLite database file can be challenging, but it’s possible with the right techniques. The first and most important thing is to make a backup of the corrupted file before performing the manual method. Next, to repair SQLite database corruption, by using a professional tool to make the process more relevant. Furthermore, you can try a free version of this tool or switch it to the full version at any time.

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