Increase sql upload size xampp

 First you have to change values in php.ini file as per your requirements.

post_max_size=1024M 
upload_max_filesize=1024M 
max_execution_time=3600
max_input_time=3600 
memory_limit=1024M 

Second have to change in my.ini file 

max_allowed_packet=1024M

Then resart xampp