can someone help me on how to Insert pdf document into MySQL using PHPMyAdmin?

[bethifUL13]

i tried using longblob but an error occured and it says:
Fatal error: Allowed memory size of 8388608 bytes exhausted (tried to allocate 1648711 bytes) in D:\wamp\phpmyad min\tbl_replace .php on line 275

i think the file is too big
how can i fix it?
someone help me?
:(

[mwasif]

You need to increase PHP memory limit.

[bethifUL13]

thanks.. but how can i do it?