[2018-2-7] Free Lead2pass Microsoft 70-761 PDF Exam Questions And Answers Download (98-105)

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QUESTION 98
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.

After you answer a question in this section. You will NOT be able to return to it. As a result, these questions will not appear in the review screen.

You have a table named Products that stores information about products your company sells. The table has a column named ListPrice that stores retail pricing information for products.

Some products are used only internally by the company. Records for these products are maintained in the Products table for inventory purposes. The price for each of these products is $0.00. Customers are not permitted to order these products.

You need to increase the list price for products that cost less than $100 by 10 percent. You must only increase pricing for products that customers are permitted to order.

Solution: You run the following Transact-SQL statement:

981

Does the solution meet the goal?

A.    Yes
B.    No

Answer: B
Explanation:
Products with a price of $0.00 would also be increased.

QUESTION 99
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.

After you answer a question in this section. You will NOT be able to return to it. As a result, these questions will not appear in the review screen.

You have a table named Products that stores information about products your company sells. The table has a column named ListPrice that stores retail pricing information for products.

Some products are used only internally by the company. Records for these products are maintained in the Products table for inventory purposes. The price for each of these products is $0.00. Customers are not permitted to order these products.

You need to increase the list price for products that cost less than $100 by 10 percent. You must only increase pricing for products that customers are permitted to order.

Solution: You run the following Transact-SQL statement:

991

Does the solution meet the goal?

A.    Yes
B.    No

Answer: B
Explanation:
Products with a price of $0.00 would also be increased.

QUESTION 100
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.

After you answer a question in this section. You will NOT be able to return to it. As a result, these questions will not appear in the review screen.

You have a table named Products that stores information about products your company sells. The table has a column named ListPrice that stores retail pricing information for products.

Some products are used only internally by the company. Records for these products are maintained in the Products table for inventory purposes. The price for each of these products is $0.00. Customers are not permitted to order these products.

You need to increase the list price for products that cost less than $100 by 10 percent. You must only increase pricing for products that customers are permitted to order.

Solution: You run the following Transact-SQL statement:

1001

Does the solution meet the goal?

A.    Yes
B.    No

Answer: B
Explanation:
Products with a price between $0.00 and $100 will be increased, while products with a price of $0.00 would not be increased.

QUESTION 101
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.

After you answer a question in this section. You will NOT be able to return to it. As a result, these questions will not appear in the review screen.

You have a table that was created by running the following Transact-SQL statement:

1011

The Products table includes the data shown in the following table:

1012

TotalUnitPrice is calculated by using the following formula:

TotalUnitPrice = UnitPrice * (UnitsInStock + UnitsOnOrder)

You need to ensure that the value returned for TotalUnitPrice for ProductB is equal to 600.00.

Solution: You run the following Transact-SQL statement:

1013

Does the solution meet the goal?

A.    Yes
B.    No

Answer: A
Explanation:
ISNULL ( check_expression , replacement_value )
Arguments:
check_expression
Is the expression to be checked for NULL. check_expression can be of any type.
replacement_value
Is the expression to be returned if check_expression is NULL. replacement_value must be of a type that is implicitly convertible to the type of check_expresssion.
References: https://docs.microsoft.com/en-us/sql/t-sql/functions/isnull-transact-sql

QUESTION 102
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.

After you answer a question in this section. You will NOT be able to return to it. As a result, these questions will not appear in the review screen.

You have a table that was created by running the following Transact-SQL statement:

1021

The Products table includes the data shown in the following table:
1022

TotalUnitPrice is calculated by using the following formula:

TotalUnitPrice = UnitPrice * (UnitsInStock + UnitsOnOrder)

You need to ensure that the value returned for TotalUnitPrice for ProductB is equal to 600.00.

Solution: You run the following Transact-SQL statement:

1023

Does the solution meet the goal?

A.    Yes
B.    No

Answer: A
Explanation:
COALESCE evaluates the arguments in order and returns the current value of the first expression that initially does not evaluate to NULL.
References: https://docs.microsoft.com/en-us/sql/t-sql/language-elements/coalesce-transact-sql

QUESTION 103
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.

After you answer a question in this section. You will NOT be able to return to it. As a result, these questions will not appear in the review screen.

You have a table that was created by running the following Transact-SQL statement:

1031

The Products table includes the data shown in the following table:
1032

TotalUnitPrice is calculated by using the following formula:

TotalUnitPrice = UnitPrice * (UnitsInStock + UnitsOnOrder)

You need to ensure that the value returned for TotalUnitPrice for ProductB is equal to 600.00.

Solution: You run the following Transact-SQL statement:

1033

Does the solution meet the goal?

A.    Yes
B.    No

Answer: B
Explanation:
The NULL value in the UnitsOnOrder field would cause a runtime error.

QUESTION 104
You have a database that stores information about server and application errors. The database contains the following table:

Servers
1041

Errors
1042

You need to return all unique error log messages and the server where the error occurs most often.

Which Transact-SQL statement should you run?

A.     1043
B.     1044
C.     1045
D.     1046

Answer: A

QUESTION 105
You have a database that includes the following tables.

HumanResources.Employee
1051

Sales.SalesPerson
1052

The HumanResources.Employee table has 2,500 rows, and the Sales.SalesPerson table has 2,000 rows.

You review the following Transact-SQL statement:
1053

You need to determine the performance impact of the query.

How many times will a lookup occur on the primary key index on the Sales.SalesPerson table?

A.    200
B.    2,000
C.    2,500
D.    5,500

Answer: C

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