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Question 1:

You have a database that contains the following tables: Customer

CustomerAudit

Where the value of the CustomerID column equals 3, you need to update the value of the CreditLimit column to 1000 for the customer. You must ensure that the change to the record in the Customer table is recorded on the CustomerAudit table.

Which Transact-SQL statement should you run?

A. B. C. D.

Correct Answer: D

The OUTPUT Clause returns information from, or expressions based on, each row affected by an INSERT, UPDATE, DELETE, or MERGE statement. These results can be returned to the processing application for use in such things as confirmation messages, archiving, and other such application requirements. The results can also be inserted into a table or table variable. Additionally, you can capture the results of an OUTPUT clause in a nested INSERT, UPDATE, DELETE, or MERGE statement, and insert those results into a target table or view.

Note: If the column modified by the .RITE clause is referenced in an OUTPUT clause, the complete value of the column, either the before image in deleted.column_name or the after image in inserted.column_name, is returned to the specified column in the tablevariable.

Incorrect Answers:

C: The deleted.Creditlimit should be inserted in the second column, the OldCreditLimit column, not the third column.

References: https://msdn.microsoft.com/en-us/library/ms177564.aspx

Question 2:

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.

A database has two tables as shown in the following database diagram:

You need to list all provinces that have at least two large cities. A large city is defined as having a population of at least one million residents. The query must return the following columns: tblProvince.ProvinceId tblProvince.ProvinceName a derived column named LargeCityCount that presents the total count of large cities for the province

Solution: You run the following Transact-SQL statement:

Does the solution meet the goal?

A. Yes

B. No

Correct Answer: B

We need to list all provinces that have at least two large cities. There is no reference to this in the code.

Question 3:

You have a database that includes the following tables.

HumanResources.Employee

Sales.SalesPerson

The HumanResources.Employee table has 2,500 rows, and the Sales.SalesPerson table has 2,000 rows. You review the following Transact-SQL statement:

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

Correct Answer: C

Question 4:

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 database that tracks orders and deliveries for customers in North America. The database contains the following tables:

Sales.Customers

Application.Cities

Sales.CustomerCategories

Your company is developing a new social application that connects customers to each other based on the distance between their delivery locations.

You need to write a query that returns the nearest customer.

Solution: You run the following Transact-SQL statement:

SELECT TOP 1 B.CustomerID, A.DeliveryLocation.STDistance(B.DeliveryLocation) AS Dist

FROM Sales.Customers AS A CROSS JOIN Sales.Customers AS B WHERE A.CustomerID = @custID AND A.CustomerID B.CustomerID ORDER BY Dist

The variable @custID is set to a valid customer. Does the solution meet the goal?

A. Yes

B. No

Correct Answer: B

Question 5:

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. B. C. D.

Correct Answer: 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, B: CONTAINED IN has two parameters: CONTAINED IN ( , )

References: https://docs.microsoft.com/en-us/sql/relational-databases/tables/querying-data-in-a-system-versioned-temporal-table

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Question 6:

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 create a table by running the following Transact-SQL statement:

You are developing a report that aggregates customer data only for the year 2014. The report requires that the data be denormalized.

You need to return the data for the report.

Which Transact-SQL statement should you run?

A. B. C. D. E. F. G. H.

Correct Answer: G

Question 7:

SIMULATION

You have a database that contains a table named Products in the Sales schema. The table was created by running the following Transact-SQL statement:

The table includes the data shown below:

You are developing a report that displays the following values and column headers in the order listed below:

average price of a product named Average

the smallest number of products in stock named LowestNumber

the highest product price named HighestPrice

You need to write a query to return the results for the report. The query must meet the following requirements:

Use built-in, aggregate and mathematical functions.

Use two-part names and tables.

Use the table alias to qualify column names.

Define the alias for all fields by using the AS keyword.

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

Do not use the ROW_NUMBER function.

Do not surround object names with square brackets.

Do not use variables.

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.

SELECT

FROM Sales.Products AS P

Use the Check Syntax button to verify your work. Any syntax or spelling errors will be reported by line and character position. You may check syntax as many times as needed.

A. Check the answer in explanation.

Correct Answer: A

Question 8:

DRAG DROP

You have a database that includes the following tables:

You need to create a list of all customer IDs and the date of the last order that each customer placed. If the customer has not placed any orders, you must return the date January 1, 1900. The column names must be CustomerID and LastOrderDate.

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:

Correct Answer:

Box 1: SELECT..COALESCE…

The COALESCE function evaluates the arguments in order and returns the current value of the first expression that initially does not evaluate to NULL.

Box 2: ..LEFT OUTER JOIN..

The LEFT JOIN (LEFT OUTER JOIN) keyword returns all rows from the left table (table1), with the matching rows in the right table (table2). The result is NULL in the right side when there is no match. A customer might have no orders so the

right table must be allowed have a NULL value.

Box 3: ON c.custid = o.custid

We JOIN on the custID column, which is available in both tables.

Box 4: GROUP BY c.custid

References:

https://technet.microsoft.com/en-us/library/ms189499(v=sql.110).aspx

http://www.w3schools.com/sql/sql_join_left.asp

Question 9:

SIMULATION

You have a database that includes the following tables. All of the tables are in the Production schema.

You need to create a query that returns a list of product names for all products in the Beverages category.

Construct the query using the following guidelines:

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

Use two-part column names.

Do not surround object names with square brackets.

Do not use implicit joins.

Do not use variables.

Use single quotes to surround literal values.

Use the Check Syntax button to verify your work. Any syntax or spelling errors will be reported by line and character position. You may check syntax as many times as needed.

Correct Answer: explanation

Please see explanation

1 SELECT p.productname

2 FROM Production.categories AS c

3 inner join production.products as p on c.categoryid=p.categoryid

4 WHERE c.categoryname = \’Beverages\’

Note: On line 3 change * to =

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