Big data and hadoop ecosystem
Big data Just data Structured data: data that has a defined length and format for each record. It’s stored in a fixed format such as a relational database or spreadsheet. It’s easy to search and analyze. It’s used for transactional data. Unstructured data: data that has an unknown length and format. It’s stored in a free format such as a text file. It’s difficult to search and analyze. It’s used for non-transactional data....