Understanding Structured vs Unstructured Data

Which of the following best describes structured data?

• Data that is stored in a predefined format, such as tables with rows and columns

• Data that has no identifiable structure or format

• Data that is only stored in images

• Data that cannot be processed by computers

Which of the following is an example of unstructured data?

• A CSV file containing sales records

• A relational database table

• An email message with attachments

• An Excel spreadsheet with formulas

Which storage method is most commonly used for structured data?

• Relational databases

• File cabinets

• Cloud object storage

• Paper notebooks

Which of the following is a key advantage of structured data?

• It is easy to search, query, and analyse

• It can only be stored on paper

• It is always more secure than unstructured data

• It requires no maintenance

Which of the following is NOT a typical use case for unstructured data?

• Analysing social media posts for sentiment

• Storing customer addresses in a database

• Processing video files for object detection

• Indexing scanned documents

Which of the following is a disadvantage of unstructured data?

• It is difficult to search and analyse without specialised tools

• It is always stored in tables

• It cannot be stored digitally

• It is always more accurate than structured data

Which of the following is an example of structured data?

• A table of student grades in a database

• A collection of photographs

• A folder of scanned receipts

• A set of audio recordings

Which data processing technique is most suitable for structured data?

• SQL queries

• Manual sorting

• Image recognition algorithms

• Speech-to-text conversion

Which of the following best describes unstructured data?

• Data that does not have a predefined data model or is not organised in a predefined manner

• Data that is always stored in tables

• Data that can only be stored on paper

• Data that is always numeric

Which of the following is a common storage method for unstructured data?

• NoSQL databases

• Relational databases

• Spreadsheets

• Ledger books