Exam 70-762 topic 1 question 64 discussion

Actual exam question from Microsoft's 70-762

Question #: 64
Topic #: 1

Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution. Determine whether the solution meets the stated goals.
The Account table was created using the following Transact-SQL statement:

There are more than 1 billion records in the Account table. The Account Number column uniquely identifies each account. The ProductCode column has 100 different values. The values are evenly distributed in the table. Table statistics are refreshed and up to date.
You frequently run the following Transact-SQL SELECT statements:

You must avoid table scans when you run the queries.
You need to create one or more indexes for the table.
Solution: You run the following Transact-SQL statements:

Does the solution meet the goal?

A. Yes
B. No

Show Suggested Answer

Suggested Answer: A 🗳️
Create a clustered index on theAccountNumber column as it is unique.
Create a nonclustered index that includes the ProductCode column.
References:
https://msdn.microsoft.com/en-us/library/ms190457.aspx

by Oooo at Oct. 3, 2020, 7:19 p.m.