Microsoft · DP-900
Representing data
DP-900 · Lesson 1 of 12 · 2:53
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In this lesson
Prepare for the DP-900 exam (Microsoft Certified: Azure Data Fundamentals). In this lesson: structured, semi-structured, and unstructured data, common file formats like CSV, JSON, XML, and BLOBs, and optimized formats for analytics: Avro, ORC, and Parquet. Includes three original practice questions.
Preview the topics
- Each support ticket is stored as a JSON document, and different tickets have different fields. What kind of data is this?
- A company keeps thousands of recorded support calls as audio files. What kind of data are they?
- Analysts query only three columns out of two hundred, over billions of rows in a data lake. Which file format suits this best?