Storing Images In MySQL
Note: This article has been replaced by Storing Images in MySQL Revisited
(by Quentin Zervaas, 2010).
We've left this article here for historical purposes, but we strongly recommend you use
the newer article instead.
What Is A Blob?
Binary Large Object. In short, a blob is a field type for storing Binary Data. MySQL has four BLOB types:
BLOBTINYBLOBMEDIUMBLOBLONGBLOB
For more information on this we highly recommend you read the MySQL manual section on BLOBs.