Data that does not fit nicely into relational databases is known as _____.

a. ultra-structured data
b. unstructured data
c. highlighter data
d. structured data

b. unstructured data
Data that is not organized in any predefined manner and does not fit nicely into relational databases is known as unstructured data. Many organizations are interested in analyzing unstructured data, often combining it with structured data to make business decisions.