What Does Binary Large Object (BLOB) Mean?

A binary large object (BLOB) is a data type that can store binary objects or data. Binary large objects are used in databases to store binary data such as images, multimedia files and executable software code.

Techopedia Explains Binary Large Object (BLOB)

Binary large objects are primarily used in all database software. Generally, database software classifies binary large objects into two types: semi-structured data and unstructured data. XML files are categorized as semi-structured data, whereas images and multimedia data are unstructured data types. Both of these BLOBs are generally not interpretable by the database.