Reasons Behind SQLite Database Corruption and Solutions

Summary: Generally, it’s very common to see corruption in SQLite database files. Any sort of error or issue can cause the SQLite database corruption. Therefore, we must know its root causes and solutions to fix. This article describes the reasons for corrupt SQLite database files. Furthermore, it explains the reliable ways to fix corruption manually or using a professional SQLite Database Recovery Tool for ease.
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About SQLite Database  

SQLite databases store valuable information or data like images, indexes, triggers, views, etc. So, it is always the preferred choice as an embedded system for local/client storage in application software. It is also, one of the most deployed databases by different OS, web browsers, and cell phones. Although, it implements most of the SQL database standards.

Is SQLite Prone to Corruption? Know the Reasons! 

Are you facing uncommon issues while the transaction is being executed with an SQLite database? It is probably due to these factors:  

• If the users continuously open and close a file descriptor. It may result in an overwritten error.
• Interruptions in the hard disk also lead to SQLite corruption.
• Usually, users use the sync command to perform synchronization. Sometimes, it does not work properly and creates an I/O barrier. This causes an interruption in the SQLite database.
• Also, when users attach multiple files to the same network, it causes an error in the SQLite database.        

Solutions for SQLite Database Corruption    

Here, we will explore the two best methods to fix this problem. First is the manual method and second is the professional method. The manual method can be used only for minor-level corruption and has some limitations. So for better results, use the professional tool.  

Method 1: Manual Technique to Fix Corrupt SQLite   

To resolve minor level corruption, perform these steps one by one as discussed below:

1. Open the database browser for SQLite on your device.
2. Click on the Execute tab of SQL to start checking in the command.
3. Now, in the command prompt, type PRAGMA_Integrity check and click the Play button.
4. After that, press on File, select the Export option and click SQL file.
5. On the export dialogue box, select the Object that you want to export.
6. Now, to import the database, click on the File, then the Import option, and select the database file from SQL.

Limitations of the Manual Method

• It requires a lot of technical knowledge and a grip on command.
• The manual method only repairs low-level corruption.
• This process is quite difficult and takes too much time.

Method 2: Alternative Technique for SQLite Database Corruption   

SQLite Database Recovery Tool is a comprehensive solution to save your crucial data stored in SQLite database files. For quick, easy, and effective recovery in SQLite database, you must consider using this software. Additionally, it saves the SQLite database file in MDB Format. It also provides multiple features that help to recover your files within seconds without any restrictions. These are:  

• It restores objects like Images, Index, Views, Triggers, etc.

• Fix SQLite Error Database Disk image is Malformed issue easily.

• No limitations in file size for SQLite database recovery.
• Provide accurate data without loss or misinterpretations.  

A step-by-step guide to recovering SQLite database corruption

1. Download and install the SQLite Database Recovery Tool.
2. Now, click on Open. Press Browse and select the corrupt database.
3. The scanning process starts in your system. Wait until it’s completed.
4. Click the recovered table and select the Map Column option to change the column type.
5. Now, select the recovered table and click on the Save button.
6. Afterward, choose either Save in SQLite or Save in MDB as the saving option.
7. Choose the Path where you want to save your database file and click OK.
8. Within a couple of minutes, a recovered database file is created at your defined location.    

Conclusion   

Nowadays, it becomes necessary to manage the integrity of files and data in several databases. SQLite databases contain multiple pieces of information which is used for different purposes. However, the corrupted database creates the problem. So, in the article above we discussed all possible methods to recover the SQLite database corruption. The manual method contains some limitations and drawbacks. So, for better use, opt for dedicated software to fix problems without worries. 

Frequently Asked Questions(FAQs)

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