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Question 1:

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 tables named Customer_CRMSystem and Customer_HRSystem. Both tables use the following structure:

The tables include the following records: Customer_CRMSystem

Customer_HRSystem

Records that contain null values for CustomerCode can be uniquely identified by CustomerName. You need to display customers who appear in both tables and have a proper CustomerCode.

Which Transact-SQL statement should you run?

A. B. C. D. E.

Correct Answer: A

When there are null values in the columns of the tables being joined, the null values do not match each other. The presence of null values in a column from one of the tables being joined can be returned only by using an outer join (unless the WHERE clause excludes null values).

References: https://technet.microsoft.com/en-us/library/ms190409(v=sql.105).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.

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

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

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:

Does the solution meet the goal?

A. Yes

B. No

Correct Answer: B

The NULL value in the UnitsOnOrder field would cause a runtime error.


Question 3:

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 need to return normalized data for all customers that were added in the year 2014. Which Transact-SQL statement should you run?

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

Correct Answer: G


Question 4:

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 are creating indexes in a data warehouse.

You have a dimension table named Table1 that has 10,000 rows. The rows are used to generate several reports.

The reports join a column that is the primary key.

The execution plan contains bookmark lookups for Table1.

You discover that the reports run slower than expected.

You need to reduce the amount of time it takes to run the reports.

Solution: You create a hash index on the primary key column.

Does this meet the goal?

A. Yes

B. No

Correct Answer: B

Reference: https://msdn.microsoft.com/en-us/library/dn133190.aspx


Question 5:

HOTSPOT

You have the following subqueries: Subquery1, Subquery2, and Subquery3.

You need to replace the three subqueries with named result sets or temporary tables. The following requirements must be met:

Which replacement techniques should you use? To answer, select the appropriate options in the answer area.

Hot Area:

Correct Answer:

Subquery1: common table expression (CTE)

A common table expression (CTE) can be thought of as a temporary result set that is defined within the execution scope of a single SELECT, INSERT, UPDATE, DELETE, or CREATE VIEW statement. A CTE is similar to a derived table in

that it is not stored as an object and lasts only for the duration of the query. Unlike a derived table, a CTE can be self-referencing and can be referenced multiple times in the same query.

Subquery2: global temporary table

Global temporary tables are visible to any user and any connection after they are created, and are deleted when all users that are referencing the table disconnect from the instance of SQL Server.

Subquery3: local temporary table

Local temporary tables are visible only to their creators during the same connection to an instance of SQL Server as when the tables were first created or referenced. Local temporary tables are deleted after the user disconnects from the

instance of SQL Server.

References:

https://technet.microsoft.com/en-us/library/ms190766(v=sql.105).aspx

https://technet.microsoft.com/en-us/library/ms186986.aspx


70-761 PDF Dumps70-761 Practice Test70-761 Study Guide

Question 6:

DRAG DROP

Note: This question is part of a series of questions that use the same scenario. For your convenience, the scenario is repeated in each question. Each question presents a different goal and answer choices, but the text of the scenario is

exactly the same in each question in this series.

You are developing a database to track customer orders. The database contains the following tables: Sales.Customers, Sales.Orders, and Sales.OrderLines. The following table describes the columns in Sales.Customers.

The following table describes the columns in Sales.Orders.

The following table describes the columns in Sales.OrderLines.

You need to create a function that accepts a CustomerID as a parameter and returns the following information:

all customer information for the customer

the total number of orders for the customer

the total price of all orders for the customer

the average quantity of items per order How should you complete the function definition? To answer, drag the appropriate Transact-SQL segment to the correct locations. Transact-SQL segment 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:

Box1: RETURNS TABLE

The function should return the following information:

all customer information for the customer

the total number of orders for the customer

the total price of all orders for the customer

the average quantity of items per order

Box 2: COUNT

The function should return the total number of orders for the customer.

Box 3: SUM

The function should return the total price of all orders for the customer.

Box 3. AVG

The function should return the average quantity of items per order.

Box 4: GROUP BY

Need to use GROUP BY for the aggregate functions.

References: https://msdn.microsoft.com/en-us/library/ms186755.aspx


Question 7:

SIMULATION

You have a table named Cities that has the following two columns: CityID and CityName. The CityID column uses the int data type, and CityName uses nvarchar(max).

You have a table named RawSurvey. Each row includes an identifier for a question and the number of persons that responded to that question from each of four cities. The table contains the following representative data:

A reporting table named SurveyReport has the following columns: CityID, QuestionID, and RawCount, where RawCount is the value from the RawSurvey table.

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

Retrieve data from the RawSurvey table in the format of the SurveyReport table.

The CityID must contain the CityID of the city that was surveyed.

The order of cities in all SELECT queries must match the order in the RawSurvey table.

The order of cities in all IN statements must match the order in the RawSurvey table.

Construct the query using the following guidelines:

Use one-part names to reference tables and columns, except where not possible.

ALL SELECT statements must specify columns.

Do not use column or table aliases, except those provided.

Do not surround object names with square brackets.

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.

Correct Answer: explanation

Please see explanation

1 SELECT Rawcount

2 from (select cityid,questioned,rawcount) AS t1

3 unpivot

4 (rawcount for questioned in (QuestionID)) AS t2

5 JOIN t2

6. ON t1.CityName = t2.cityName

UNPIVOT must be used to rotate columns of the Rawsurvey table into column values.

References: https://technet.microsoft.com/en-us/library/ms177410(v=sql.105).aspx


Question 8:

HOTSPOT

You need to develop a Transact-SQL statement that meets the following requirements:

The statement must return a custom error when there are problems updating a table.

The error number must be the value 50555.

The error severity level must be 14.

A Microsoft SQL Server alert must be triggered when the error condition occurs.

Which Transact-SQL segment should you use for each requirement? To answer, select the appropriate Transact-SQL segments in the answer area.

Hot Area:

Correct Answer:

RAISERROR generates an error message and initiates error processing for the session. RAISERROR can either reference a user-defined message stored in the sys.messages catalog view or build a message dynamically. The message is

returned as a server error message to the calling application or to an associated CATCH block of a TRY…CATCH construct. New applications should use THROW instead.

Note: RAISERROR syntax:

RAISERROR( { msg_id | msg_str | @local_variable }

{ ,severity ,state }

[ ,argument [ ,…n ] ] )

[ WITH option [ ,…n ] ]

The LOG option logs the error in the error log and the application log for the instance of the Microsoft SQL Server Database Engine.

References:

https://msdn.microsoft.com/en-us/library/ms178592.aspx


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