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Practice: Developing Microsoft SQL Server Databases 

QUESTION 1

DRAG DROP

You use the following statement to create a table.

You have the following queries.

You need to create an index to minimize the execution time of the queries.

How should you complete the statement? To answer, drag the appropriate code elements to the correct locations. Each

code element 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.

Select and Place:

Correct Answer:

Box 1: LastName Redesign nonclustered indexes with a large index key size so that only columns used for searching

and lookups are key columns. Make all other columns that cover the query into nonkey columns. In this way, you will

have all columns needed to cover the query, but the index key itself is small and efficient.

Box 2: FirstName

Box 3: DepartmentID Non-key columns, called included columns, can be added to the leaf level of a nonclustered index

to improve query performance by covering the query. That is, all columns referenced in the query are included in the

index as either key or non-key columns. This allows the query optimizer to locate all the required information from an

index scan; the table or clustered index data is not accessed.

Box 4: Office

QUESTION 2

You plan to create a database that has multiple tables. The tables will contain product information. Each product has a

stock-keeping unit (SKU).

You need to recommend a solution to ensure that each SKU starts with the letters "ADV" and is followed by 10 digits.

The solution must minimize the amount of development effort required.

What should you include in the recommendation?

A. A FOREIGN KEY constraint

B. A trigger

C. A user-defined data type

D. A CHECK constraint

Correct Answer: C

QUESTION 3

You need to implement a solution that addresses the bulk insert requirements. What should you add to line 08 in

usp_ImportOrderDetails?

A. LASTROW=0.

B. BATCHSIZE=0.

C. BATCHSIZE=1000.

D. LASTROW = 1000.

Correct Answer: C

QUESTION 4You need to modify the function in CountryFromID.sql to ensure that the country name is returned instead of the country
ID. Which line of code should you modify in CountryFromID.sql?
A. 04
B. 05
C. 06
D. 19
Correct Answer: D
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