⭐⭐Structured data is easily searchable by BASICALGORITHMS.✔✔✔
⭐⭐Examples include spreadsheets and data from machine sensors.✔✔✔
⭐⭐Unstructured data is more like human language.✔✔✔
⭐⭐It doesn't fit nicely into relational databases like ✔SQL✔ and searching it BASED on the old algorithms ranges from difficult to completely impossible.✔✔✔