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Exam 70-487 topic 2 question 5 discussion

Actual exam question from Microsoft's 70-487
Question #: 5
Topic #: 2
[All 70-487 Questions]

DRAG DROP -
Historical flight information data will be stored in Windows Azure Table Storage using the FlightInfo class as the table entity.
There are millions of entries in the table. Queries for historical flight information specify a set of airlines to search and whether the query should return only late flights. Results should be ordered by flight name.
You need to specify which properties of the FlightInfo class should be used at the partition and row keys to ensure that query results are returned as quickly as possible.
What should you do? (To answer, drag the appropriate properties to the correct location or locations in the answer area. Each property may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.)
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supersunny
Highly Voted 4 years, 11 months ago
Airline and Flight in that order.
upvoted 9 times
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Karel_Gott
Highly Voted 4 years, 10 months ago
The answer is CORRECT: "Together the PartitionKey and RowKey uniquely identify every entity within a table." and also "The partition key may be a string value up to 1 KB in size." - so "WasLate" or "Arrival" are both wrong. The only logical answer is Airline (this creates partition for each Airline) and Flight (this specify every flight in the current partition (= Airline)).
upvoted 6 times
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esend3
Most Recent 4 years, 10 months ago
WasLate and Flight should be right.
upvoted 2 times
mmk1991
4 years, 10 months ago
I think WasLate cannot be used as a key because it's not unique, whereas airline and flight combination are.
upvoted 3 times
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C0unt23r0
4 years, 12 months ago
https://docs.microsoft.com/en-us/rest/api/storageservices/understanding-the-table-service-data-model
upvoted 5 times
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