Open pdf file when using relational database

[Yayasan_TL_BP]

Hello,

I have a problem with my apps,

I’am using Mysql as database, for storage using Db-Content and already sucess for connection.
I tried to upload an image from the application and it worked, the image can be seen from my application, but when i tried to upload pdf file, when opened it’s not worked…

upload image ( it worked )

upload pdf

need help…