An SQL database might hold name, date of birth, address, etc, but analysing unstructured data – via making it semi-structured – can get closer to what consumers think.

Examples of Structured Data: Customer Database : A table in a CRM (customer relationship management) system containing customer names, addresses, email addresses, and phone numbers, all neatly ...

Semi-structured data falls between the two. It doesn’t conform to a data model but does have associated metadata that can be used to group it.