ACCA Applied Knowledge · Business and Technology · Financial systems and technology
Which of the following is an example of unstructured data that a company might analyse as part of big data analytics?
Customer reviews posted as free text are unstructured data because they have no predefined format or fixed fields. Invoice tables, payroll spreadsheets and ledgers are structured data held in defined rows and columns, so they are not unstructured.
- ACustomer reviews posted as free text on a websiteCorrect
- BA table of invoice numbers and amounts in a database
- CA spreadsheet of monthly payroll by employee
- DA ledger listing account codes and balances
Explanation
Unstructured data has no predefined format or fixed fields, such as free-text reviews, emails, images or video. Invoice tables, payroll spreadsheets and ledgers are structured, organised in rows and columns with defined fields.
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