Their is a disconnection between question asked in Quiz and database data.
Example: What is the value type of the ts field for documents in the 100YWeatherSmall.data collection?
There is not ts field in data collection, Am I missing anything, Anyone else having same issue?
This is not the only issue - In Video db --> Movie collection having similar issue.
Replica Set Name: Cluster0-shard-0
Read Preference: Primary Preferred