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Exam 70-761 All Questions

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Exam 70-761 topic 1 question 186 discussion

Actual exam question from Microsoft's 70-761
Question #: 186
Topic #: 1
[All 70-761 Questions]

Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
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You have a database named DB1 that contains two tables named Sales.Customers and Sales.Orders. Sales.Customers has a foreign key relationship to a column named CustomerID in Sales.Orders.
You need to recommend a query that returns all the customers. The query must also return the number of orders that each customer placed in 2016.
Solution: You recommend the following query:

Does this meet the goal?

  • A. Yes
  • B. No
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️
References:
https://docs.microsoft.com/en-us/sql/t-sql/functions/count-transact-sql?view=sql-server-2017

Comments

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MarcusJB
Highly Voted 4 years, 11 months ago
The JOIN definition is wrong here. Should be "ON Cust.CustomerID = Ord.CustomerID".
upvoted 7 times
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stm22
Highly Voted 4 years, 10 months ago
good catch. i missed that but still chose B because there is nothing the query to reference 2016 only
upvoted 5 times
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Vermonster
Most Recent 4 years, 4 months ago
The HAVING clause will also eliminate customers who haven't ordered
upvoted 1 times
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sunz_1
4 years, 7 months ago
COUNT>0 will eliminates some customers
upvoted 4 times
...
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