How to Repair Corrupted Database in MySQL - Easy Solution

5 min read
29 December 2023

Are you facing a corrupted database in MYSQL? Look no further as we delve into the reasons behind this issue and provide a step-by-step guide on how to repair it. 

SQL is a widely used relational database management system, Developed by Microsoft. Its main objective is to effectively store, manage, and retrieve data in a structured manner. Although Microsoft SQL Server is known for its robust features, there is a possibility of corruption or damage to your database. As a result, many users are searching for solutions to fix their MYSQL database.

What Causes Database Corruption in MySQL Server?

In this section, we’ll discuss some of the common reasons behind MYSQL Server database corruption. 

  • Server Breaks
  • MySQL Writing Interrupted
  • Other Apps Crashing
  • Messing with Files.
  • Software Mistakes

Here, we have mentioned the major issue that causes MYSQL Server database corruption. In the upcoming section, we’ll discuss different ways for the “ How to repair corrupted database in MySQL” user query. 

Also Read: Copy Table From One Database to Another Database in SQL

Method # 1 Learn How to fix corrupted MYSQL database using Manual Methods 

In this blog section, we‘ll discuss the manual solution for this “How to repair corrupted database in MySQL” user query. Here, we have mentioned the mysqlcheck command line tool to repair a corrupted MYSQL Server database. 

Note: Before attempting any repair steps, make sure that you have a backup of your database to avoid any data loss.

cp -rfv /var/lib/mysql /var/lib/mysql_copy

Important note: Before initiating any repairs, it is crucial to have a backup of your database to prevent the loss of any data. As an option, you can create a backup copy of your database before proceeding with any repair methods. Refer to the instructions for backing up and restoring a MySQL database. There are two manual approaches for repairing a MySQL database, which are outlined below:

Repairing MySQL Database with mysqlcheck

  1. First, open and navigate to the MySQL Server database folder as the root user:

cd /var/lib/mysql

  1. Then, Add the -r option to the mysqlcheck command to fix the corrupted database table:

mysqlcheck -r <database> <table name>

Use the mysqlcheck - r command to REPAIR TABLE query to execute terminally.

Repairing MySQL Server Database with REPAIR TABLE Query

Once the database and the problematic table have been scanned and located, use the REPAIR TABLE uey to resolve the issue Quickly. 

If the computer system suddenly stops while fixing the corrupted table, run the repair process again. Usually, using this method won't make you lose any data in a MyISAM table.

Method #2  How to Repair a Corrupted Database MYSQL Instantly?

SysTools SQL Database Recovery Tool is a secure and efficient software to repair corrupted MYSQL Server databases in a few simple clicks. This software helps users to bring SQL Server database components to a consistent state. With its simple and user-friendly interface, users can easily recover deleted database objects like triggers, tables, functions, views, stored procedures, and so on. 

Also, the software is compatible with all the SQL Server versions 2022, 2019, 2017, 2016, 2014, 2012, 2008 R2, 2005, and 2002 versions. If you need a fast and reliable solution to repair & recover a corrupted database in MYSQL Server,  this tool is a recommended choice. Additionally, users can try the demo version of the software to understand the complete recovery process.

Follow the below-mentioned steps 

Step 1. Download and Launch the software on your computer

Step 2. Click on Open to add the Master database file (MDF). 

Step 3. Select the Scan mode either Quick or Advanced as per your need. Also, Select the SQL Server version of the browsed Master database file. 

Step 4. Here, preview the recovered Data and Click “Export”.

Step 5. Next, decide whether to export with only schema or with both schema and data to repair corrupted database MYSQL Server. 

Step 6. At last, Click the “Save” button to initiate the process. 

Conclusion 

In this article, we discuss the manual as well as the instant solution for the “How to repair corrupted database in MySQL” user query. The manual approach through mysql check or repair table query, it only works when you have enough technical knowledge. However, if your MYSQL Database is highly corrupted or damaged, we recommend you try an Instant solution. 

In case you have found a mistake in the text, please send a message to the author by selecting the mistake and pressing Ctrl-Enter.
rashmika 2
Joined: 4 months ago
Comments (0)

    No comments yet

You must be logged in to comment.

Sign In / Sign Up