How to Fix 'File Exceeds Maximum Size Limit' Error During Large Database Imports in PHPMyAdmin?

Troubleshooting Large Database Imports in PHPMyAdmin

When attempting to import a database through PHPMyAdmin, you may encounter an error stating that the file exceeds the maximum size limit. This issue arises when the database file size surpasses the default upload limitations. To resolve this, follow the steps outlined below:

Step 1: Adjust PHP Settings

• Navigate to the php.ini file typically located at C:wampbinapacheApache2.4.4bin
• Modify the following lines to increase the file size and memory limits:

max_execution_time = 259200
max_input_time = 259200
memory_limit = 1000M
upload_max_filesize = 750M
post_max_size = 750M

• Restart the WAMP server or its services.

Step 2: Modify PHPMyAdmin Settings

• Open the config.default.php file in c:wampappsphpmyadmin4.0.4libraries
• Locate the following line: $cfg['ExecTimeLimit'] = 300;
• Replace it with: $cfg['ExecTimeLimit'] = 0;

Alternative Option: Using MySQL Console

If the PHPMyAdmin modifications do not resolve the issue, you can import large databases using the MySQL Console:

• Launch WampServer and select MySQL -> MySQL Console
• Input your database password (usually "root")
• Select the target database using the command: USE DATABASE_NAME
• Load the source SQL file using the command: SOURCE C:FOLDERdatabase.sql
• Press Enter to import the data

Note:

• Compressed database files (e.g., database.sql.zip or database.sql.gz) cannot be directly imported. They must be extracted first.
• Ensure that the user has sufficient privileges to import the database.

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