read PNG image file and sotre in mySQL

I am reading one .png file in ruby. I have created a table “Photo_info” which has filed “photo_data” with data type varchar(255).
Now if I want to stroe the data of file in the field “photo_data”.
Can anybody say how to do?

Like i said in your earlier thread, you need to make the column a blob
one (or the image really is tiny (a few hundred bytes), then a