BLOBs are binary large objects holding huge data. The 4 types of BLOB are:
TINYBLOB: This data type can store up to 255 bytes of binary data.
BLOB: This data type can store up to 65,535 bytes of binary data.
MEDIUMBLOB: This data type can store up to 16,777,215 bytes of binary data.
LONGBLOB: This data type can store up to 4 GB of binary data.
TEXT is a case-sensitive BLOB. Four types of TEXT are TINY TEXT, TEXT, MEDIUMTEXT, and LONG TEXT.