If you want to increase upload file size limit in PHPMyAdmin on CentOS then follow the complete instructions from this post.
The reason doing this if you fail to import your .sql file to the PHPMyAdmin due to limited uploading maximum file size.
How to increase upload max file size limit in PHPMyAdmin
You need to have SSH access to remote server that can be done using Putty.
Then login using your root and password.
After that, execute the following command:
Then use the CTRL + W to search d the following:
1. To increase Upload Max File Size
Type this: upload_max_filesize.
Then change the size to whatever number you like.
2. To increase Post Max Size
Type this: post_max_size.
Then change the number to whatever number you like.
Once done, just click CTRL + X on keyboard then type Y->Enter and hit Enter again. Then run this command: