In SQL, a binary string, or BLOB, is any arbitrary sequence of
zero or more octets that isn't associated with either a Character set or a
Collation. A BLOB value may be a <literal>, the value of a
parameter or a host language variable or the result of any expression or
argument (including a possibly qualified <Column name>) that evaluates to a
binary string. BLOBs represent an unknown lump of binary data:
the typical use of a BLOB <data type> is to store an image.
Octets in a BLOB are numbered (from left to right) beginning
with 1 (the most significant octet). BLOBs are stored in the
binary string <data type> BLOB.
