Microsoft Azure Data Fundamentals DP-900 Practice Question
Your organization exports daily social media feeds containing free-form text, hashtags, emoji characters, and attached image files directly into Azure Blob Storage. No consistent schema is applied, and the files cannot be queried using traditional SQL until they are processed. Which characteristic of data does this scenario illustrate?
The data is relational because it is stored in cloud object storage.
The data lacks a predefined schema and must be interpreted during processing.
The data is time-series because each post arrives with a timestamp.
The data is semi-structured because it uses key-value tags to label each field.
The described data consists of free-form text and image files that do not follow a predefined structure such as fixed columns or labelled keys. Because there is no upfront schema and the information cannot be queried with standard SQL until it is transformed, the collection is classified as unstructured data. Semi-structured data would include self-describing tags (for example, JSON), relational data would reside in tables with relationships, and time-series data is organized primarily around time-stamped numerical values, none of which match the scenario.
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Microsoft Azure Data Fundamentals DP-900
Describe core data concepts
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