How do I store an uploaded file in the database?

[eluser]Franklin2988[/eluser]
Hi everybody I was trying to save images in the database but I get this error

Code:

A Database Error Occurred

Error Number: 1300

Invalid utf8 character string: 'õ\0\0ððð\0\0\0ÛÛÛÆÆƱ±±¤¤¤™™™ÏÏÏ­­­‘‘‘×××ÌÌÌ   ———¦¦¦ÀÀÀèèèžžžÈÈ'

INSERT INTO `data` (`GIF89a\0\0õ\0\0ððð\0\0\0ÛÛÛÆÆƱ±±¤¤¤™™™ÏÏÏ­­­‘‘‘×××ÌÌÌ

I followed gtech example but when I get that error, If you can help me solving this It would be great.