Best Way to Recover Deleted Data from SQLite Database

How to recover deleted data from SQLite database is one of the emerging issues among different organizations. Nevertheless, it is not so easy to fix and therefore, users have to face various challenges. Keeping this in mind, we have come up with this blog. Here, we have are going to learn a recovery method of deleted records from SQLite database. Before that, it is important to know some information about SQLite database and its structure.

What is SQLite Database?

SQLite is basically, an in-process library, which implements a serverless, transactional, self-contained, zero-configuration SQL database engine. It is free for both commercial and private sectors because the code for SQLite is within the public domain. It is one of the widely installed databases in world with some more programs including numerous high-profile projects. Moreover, it is embedded SQL database engine and unlike any other SQL databases, SQLite does not contain an individual server process. It reads and writes to ordinary disk file in a direct manner. However, the records from the SQLite may get deleted mistakenly by users and then it becomes necessary to recover it in order to maintains business continuity.

Structure of SQLite Database

SQLite database follow the B-Tree structure. An individual B-Tree is used for maintaining each index and table inside the database. All the B-Trees are saved in similar disk file and the details of file formats are stable as well as well defined. Moreover, the interface to B-tree subsystem & rest of SQLite library is indicated by header file btree.h.

  • Pages: The chief database file contains one or more pages. If we talk about the size of a particular page, then it is the power of 2 between 512 & 65536. The pages available within the similar database have the same size. The page size is resolute by 2-byte integer, which is placed at the offset of 16 bytes form starting of database.
  • Database Header: The foremost 100 bytes of database file contains the file header of database. The file header is separated into two different fields. All the multibyte fields within file header of database are saved with most significant byte first.

Now, the question is how to restore the removed records from SQLite? Is it possible to perform it manually? The answer is yes, you can do it manually as well. However, it is very tough to find a relevant manual solution. Moreover, it is possible that you fail in your efforts if do it manually. As a result, you need a reliable utility to execute this task.

Method to Recover Deleted Records in SQLite Database

This software has been designed for the recovery of SQLite file database. It is capable to retrieve Tables, View, Triggers, and Columns. There is no file size restriction associated with the tool and it provides three options to save the resultant file i.e. SQLite, Microsoft Access, or any other database. Moreover, it supports various DSN like SQL Database and MS Access.

Follow the below steps to recover deleted data from SQLite database successfully:

  • First, go to start >> All Programs >> Sqlite Database Recovery
  • Hit on Browse and then on Open
  • It will begin the scanning, once the scanning is done, hit on OK
  • Now, you see the details of chosen SQLite database. Hit on Close button
  • After this, hit on Export button to moving the database to a healthy content
  • Choose any of the formats, as per your need. After selecting it, hit on OK button
  • Give data type mapping and confirm it by click on OK button
  • Now, choose delete destination path to store the SQLite database and hit on OK
  • Next, you can see the entire details and again click on OK
  • Close report and exit. Once you have done this, choose “Other Database” radio button for exporting database as other and continue
  • Choosing other database gives you the list of compatible DSN as MS Access, SQLite Database, and SQL database
  • Pick one DSN, which is followed by a click on OK
  • In the next step, choose the SQLite data type & then map it with other data types. Click on OK to proceed further
  • As soon as the progress bar reaches to 100 percent that means the process has been completed. Hit on Close
  • Hit on OK button to confirm the successful process completion
  • Finally, you need to exit the software by a click on Yes.

Sum It Up

In the above blog, we have discussed a common query of a user that how to recover deleted data from SQLite database. Unlike manual solutions, this software helps them to accomplish the task in quick and easy manner.