Article Discussion: MySQL and BLOBs

One of MySQL's strengths is it's use of Binary Large Object (BLOB) columns. These columns store unprocessed binary data, typically files, that can be retrieved and manipulated like the other common datatypes. The difficulty comes in accessing the BLOB column in VB. Prior to ADO 2.5, the only way to move data in and out of a MySQL BLOB column using Visual Basic was to use the appendchunk and getchunk methods. With ADO 2.5, the stream object has been added, greatly simplifying the process of working with MySQL BLOBs. In this article, I will focus entirely on using the stream object


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