Microsoft 70-761 Online Practice Questions and Exam Preparation

Microsoft 70-761 Online Questions & Answers

• Question 141:

  HOTSPOT

  A company creates marketing photographs of products for online retailers. Photographs and related information are stored in a database that has the following structure:

  

  You must create a report that returns a list of all product photos, and whether the product has a primary photo.

  How should you complete the Transact-SQL statement? To answer, select the appropriate Transact-SQL segments in the answer area.

  NOTE: Each correct selection is worth one point.

  Hot Area:

  

  

• Question 142:

  DRAG DROP

  You have a database named DB1 that contains a table named HR.Employees. HR.Employees contains two columns named ManagerID and EmployeeID. ManagerID refers to EmployeeID.

  You need to create a query that returns a list of all employees, the manager of each employee, and the numerical level of each employee in your organization's hierarchy.

  Which five statements should you add to the query in sequence? To answer, move the appropriate statements from the list of statements to the answer area and arrange them in the correct order.

  Select and Place:

  

  

  ---

  References: https://blog.sqlauthority.com/2012/04/24/sql-server-introduction-to-hierarchical-query-using-a-recursive-cte-a-prim

• Question 143:

  You have a database named DB1 that contains two tables named Sales.Customers and Sales.CustomerTransaction. Sales.CustomerTransactions has a foreign key relationship to column named CustomerID in Sales.Customers.

  You need to recommend a query that returns the number of customers who never completed a transaction.

  Which query should you recommend?

  

  A. Option A
  B. Option B
  C. Option C
  D. Option D
  A. Option A

  ---

  Incorrect Answers:

  B: The count should be on the Cust instance of Sales.Customers as it is to the right side of the join.

  C: Need a WHERE statement with an IS NULL clause.

  D: Must use a LEFT JOIN to obtain the NULL values.

  References: https://technet.microsoft.com/en-us/library/ms190014(v=sql.105).aspx

• Question 144:

  Note: This question is part of a series of questions that use the same or similar answer choices. An answer choice may be correct for more than one question in the series. Each question is independent of the other questions in this series.

  Information and details provided in a question apply only to that question.

  You have a database that contains several connected tables. The tables contain sales data for customers in the United States only.

  All the sales data is stored in a table named table1. You have a table named table2 that contains city names.

  You need to create a query that lists only the cities that have no sales.

  Which statement clause should you add to the query?

  A. GROUP BY
  B. MERGE
  C. GROUP BY ROLLUP
  D. LEFT JOIN
  E. GROUP BY CUBE
  F. CROSS JOIN
  G. PIVOT
  H. UNPIVOT
  D. LEFT JOIN

  ---

  Reference: https://docs.microsoft.com/en-us/sql/t-sql/queries/from-transact-sql?view=sql-server-2017

• Question 145:

  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:

  

  Does the solution meet the goal?

  A. Yes
  B. No
  B. No

  ---

  Products with a price of $0.00 would also be increased.

• Question 146:

  SIMULATION

  You create a table named Products.Sales by running the following Transact-SQL statement:

  

  You add the following data to the table.

  

  You are developing a report to display monthly sales data.

  You need to create a Transact-SQL query to meet the following requirements:

  

  Retrieve a column for the year followed by a column for each month from January through December.

  

  Include the total sales amount for each month.

  

  Aggregate columns by year, month, and then amount.

  Construct the query using the following guidelines:

  

  Use the MONTH keyword as the interval when using the DATANAME function.

  

  Do not modify the provided IN clause.

  

  Do not surround object names with square brackets.

  

  Do not use implicit joins.

  

  Do not use the DATEPART function.

  Part of the correct Transact-SQL has been provided in the answer area below. Enter the code in the answer area that resolves the problem and meets the stated goals or requirements. You can add code within the code that has been provided as well as below it.

  1.

  SELECT * FROM

  2.

  (SELECT YEAR(SalesData)) AS Year, DATENAME (MONTH, SalesDate) AS Month, SalesAmount AS Amount

  3.

  4.

  ) AS MonthlySalesData

  5.

  6.

  FOR Month IN (January, February, March, April, May, June, July, August, September, October, November, December)) AS MonthNamePivot

  

  A. Check the answer below
  A. Check the answer below

  ---

  Correct Answer:

  1 SELECT * FROM

  2 (SELECT YEAR(SalesData)) AS Year, DATENAME (MONTH, SalesDate) AS Month, SUM(SalesAmount) AS Amount

  3 FROM Products.Sales GROUP BY Year, Month

  4 ) AS MonthlySalesData

  5 PIVOT SUM(Amount)

  6 FOR Month IN (January, February, March, April, May, June, July, August, September, October, November, December))

  AS MonthNamePivot

  Note:

  Line 2: Add SUM( ) around SalesAmount

  Line 3: Add: FROM Products.Sales GROUP BY Year, Month

  Line 5: Add: PIVOT SUM(Amount)

• Question 147:

  You have a database named DB1 that contains a temporal table named Sales.Customers.

  You need to create a query that returns the credit limit that was available to each customer in DB1 at the beginning of 2017.

  Which query should you execute?

  

  A. Option A
  B. Option B
  C. Option C
  D. Option D
  C. Option C

  ---

  AS OF: Returns a table with a rows containing the values that were actual (current) at the specified point in time in the past.

  Incorrect Answers:

  A: CONTAINED IN has two parameters: CONTAINED IN ( , )

  B: We need at the exact specified point in time, not between two dates.

  D: Not at all times References: https://docs.microsoft.com/en-us/sql/relational-databases/tables/querying-data-in-a-system-versioned-temporal-table

• Question 148:

  SIMULATION

  You have a database that contains the following tables.

  

  You need to create a query that lists the lowest-performing salespersons based on the current year-to-date sales period. The query must meet the following requirements:

  1. Return a column named Fullname that includes the salesperson FirstName, a space, and then LastName.

  2. Include the current year-to-date sales for each salesperson.

  3. Display only data for the three salespersons with the lowest year-to-year sales values.

  4. Exclude salespersons that have no value for TerritoryID.

  Construct the query using the following guidelines:

  1. Use the first letter of a table name as the table alias.

  2. Use two-part column names.

  3. Do not surround object names with square brackets.

  4. Do not use implicit joins.

  5. Use only single quotes for literal text.

  6. Use aliases only if required.

  

  Part of the correct Transact-SQL has been provided in the answer area below. Enter the code in the answer area that resolves the problem and meets the stated goals or requirements. You can add code within the code that has been provided as well as below it.

  

  Use the Check Syntax button to verify your work. Any syntax or spelling errors will be reported by line and character position.

  A. Check the answer below
  A. Check the answer below

  ---

  Correct Answer:

  

  On ordering: ASC | DESC Specifies that the values in the specified column should be sorted in ascending or descending order. ASC sorts from the lowest value to highest value. DESC sorts from highest value to lowest value. ASC is the default sort order. Null values are treated as the lowest possible values.

  References: https://msdn.microsoft.com/en-us/library/ms189463.aspx

• Question 149:

  DRAG DROP

  You create three tables by running the following Transact-SQL statements:

  

  For reporting purposes, you need to find the active user count for each role, and the total active user count. The result must be ordered by active user count of each role. You must use common table expressions (CTEs). Which four Transact-SQL segments should you use to develop the solution? To answer, move the appropriate Transact-SQL segments from the list of Transact-SQL segments to the answer area and arrange them in the correct order.

  Select and Place:

  

  

• Question 150:

  You are developing a database to track employee progress relative to training goals. You run the following Transact-SQL statements:

  

  You must build a report that shows all Employees and the courses that they have taken. Employees that have not taken training courses must still appear in the report. The report must display NULL in the course column for these employees. You need to create a query for the report.

  

  A. Option A
  B. Option B
  C. Option C
  D. Option D
  C. Option C

  ---

  Incorrect Answers:

  A, B: JOIN and INNER JOIN displays only the rows that have a match in both joined tables

  References:

  https://www.mssqltips.com/sqlservertip/1667/sql-server-join-example/