To Increase Upload Size on Importing SQL type the following code on Putty SSH via root access.
Type Command:
sudo nano /etc/php/7.3/apache2/php.ini
Find the Line and Place the value.
max_execution_time = 300
max_input_time = 300
memory_limit = 512M
upload_max_filesize = 100M
post_max_size = 100M
Reload Apache to reload the changes.
commands: sudo systemctl restart apache2
