TINYBLOB, BLOB, MEDIUMBLOB and LONGBLOB
A binary large object that can hold a variable amount of binary data. The sorting and comparison of the values for these objects is performed in case-sensitive manner.
TINYBLOB
A binary large object column with a maximum length of 255 (2^8 - 1) characters.
BLOB
A binary large object column with a maximum length of 65535 (2^16 - 1) characters.
MEDIUMBLOB
A binary large object column with a maximum length of 16777215 (2^24 - 1) characters.
LONGBLOB
A binary large object column with a maximum length of 4294967295 (2^32 - 1) characters.