(1) A data type that contains a sequence of bytes that can range in size from 0 bytes to 2 gigabytes less 1 byte. This string does not have an associated code page and character set. BLOBs can contain, for example, image, audio, or video data.
(2) A block of bytes of data (for example, the body of a message) that has no discernible meaning, but is treated as one solid entity that cannot be interpreted.