CS Professional · Artificial Intelligence, Data Analytics and Cyber Security - Laws and Practice · Data Analytics
An e-commerce company in Bengaluru collects order records exported as JSON files, where each record carries key-value tags and some records contain extra optional fields. Which classification fits this data best?
JSON order records are semi-structured data: they carry self-describing key-value tags yet allow varying optional fields without a rigid tabular schema. Primary or secondary describes how data was sourced, not its format, so that classification does not answer the question.
- AStructured data, because it has keys
- BUnstructured data, because it is not in a database
- CSemi-structured data, because it has tags but no rigid tabular schemaCorrect
- DPrimary data, because it is in JSON format
Explanation
JSON uses self-describing key-value tags, and records can differ in fields, so it is semi-structured. It is not strictly structured since there is no fixed table schema. 'Primary' describes the source of collection, not the format, so the last option confuses two different classifications.
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