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NEW QUESTION NO: 10
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 named Customers. Data stored in the table must be exchanged between web pages and web servers by using AJAX calls that use REST endpoint.
You need to return all customer information by using a data exchange format that is text-based and lightweight.
Which Transact-SQL statement should you run?
A:

B:

C:

D:

E:

F:

G:

H:

A. Option A
B. Option B
C. Option C
D. Option D
E. Option E
F. Option F
G. Option G
H. Option H
Answer: C
Explanation/Reference:
Explanation:
JSON can be used to pass AJAX updates between the client and the server.
Export data from SQL Server as JSON, or format query results as JSON, by adding the FOR JSON clause to a SELECT statement.
When you use the FOR JSON clause, you can specify the structure of the output explicitly, or let the structure of the SELECT statement determine the output.
References: https://msdn.microsoft.com/en-us/library/dn921882.aspx

NEW QUESTION NO: 11
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 database that tracks orders and deliveries for customers in North America. The database contains the following tables:
Sales.Customers

Application.Cities

Sales.CustomerCategories

The company's development team is designing a customer directory application. The application must list customers by the area code of their phone number. The area code is defined as the first three characters of the phone number.
The main page of the application will be based on an indexed view that contains the area and phone number for all customers.
You need to return the area code from the PhoneNumber field.
Solution: You run the following Transact-SQL statement:

Does the solution meet the goal?
A. Yes
B. No
Answer: B
Explanation/Reference:
Explanation:
As the result of the function will be used in an indexed view we should use schemabinding.
References: https://sqlstudies.com/2014/08/06/schemabinding-what-why/

NEW QUESTION NO: 12
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 on this series.
You have a database that tracks orders and deliveries for customers in North America. System versioning is enabled for all tables. The database contains the Sales.Customers, Application.Cities, and Sales.CustomerCategories tables.
Details for the Sales.Customers table are shown in the following table:

Details for the Application.Cities table are shown in the following table:

Details for the Sales.CustomerCategories table are shown in the following table:

You need to create a query that meets the following requirements:
For customers that are not on a credit hold, return the CustomerID and the latest recorded population

for the delivery city that is associated with the customer.
For customers that are on a credit hold, return the CustomerID and the latest recorded population for

the postal city that is associated with the customer.
Which two Transact-SQL queries will achieve the goal? Each correct answer presents a complete solution.
A:

B:

C:

D:

A. Option A
B. Option B
C. Option C
D. Option D
Answer: A
Explanation/Reference:
Explanation:
Using Cross Joins
A cross join that does not have a WHERE clause produces the Cartesian product of the tables involved in the join. The size of a Cartesian product result set is the number of rows in the first table multiplied by the number of rows in the second table.
However, if a WHERE clause is added, the cross join behaves as an inner join.
B: You can use the IIF in the ON-statement.
IIF returns one of two values, depending on whether the Boolean expression evaluates to true or false in SQL Server.
References:
https://technet.microsoft.com/en-us/library/ms190690(v=sql.105).aspx
https://msdn.microsoft.com/en-us/library/hh213574.aspx

NEW QUESTION NO: 13
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:

Answer: 

Explanation/Reference:
Explanation:
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

NEW QUESTION NO: 14
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 value50555.

Theerror severity level must be14.

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:

Answer: 

Explanation/Reference:
Explanation:
Box 1: TRY...CATCH
The TRY...CATCH Transact-SQL construct implements error handling for Transact-SQL that is similar to the exception handling in the Microsoft Visual C# and Microsoft Visual C++ languages. A group of Transact-SQL statements can be enclosed in a TRY block. If an error occurs in the TRY block, control is passed to another group of statements that is enclosed in a CATCH block.
Box 2: RAISERROR(50555, 14, 1 'The update failed.") WITH LOG
We must use RAISERROR to be able to specify the required severity level of 14, and we should also use the LOG option, which Logs the error in the error log and the application log for the instance of the Microsoft SQL Server Database Engine, as this enable a MS MS SQL SERVER alert to be triggered.
Note: 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.
Incorrect Answers:
Not THROW: THROW does not have a severity parameter.
References:
https://msdn.microsoft.com/en-us/library/ms175976.aspx
https://msdn.microsoft.com/en-us/library/ms178592.aspx

NEW QUESTION NO: 15
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 create a list of all unique customers that appear in either table.
Which Transact-SQL statement should you run?
A:

B:

C:

D:

E:

F:

G:

H:

A. Option A
B. Option B
C. Option C
D. Option D
E. Option E
F. Option F
G. Option G
H. Option H
Answer: E
Explanation/Reference:
Explanation:
UNION combines the results of two or more queries into a single result set that includes all the rows that belong to all queries in the union. The UNION operation is different from using joins that combine columns from two tables.
Incorrect Answers:
F: UNION ALL incorporates all rows into the results. This includes duplicates. If not specified, duplicate rows are removed.
References: https://msdn.microsoft.com/en-us/library/ms180026.aspx

NEW QUESTION NO: 16
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 displays customer information. The report must contain a grand total column.
You need to write a query that returns the data for the report.
Which Transact-SQL statement should you run?
A:

B:

C:

D:

E:

F:

G:

H:

A. Option A
B. Option B
C. Option C
D. Option D
E. Option E
F. Option F
G. Option G
H. Option H
Answer: E
Explanation/Reference:
Explanation:
Calculate aggregate column through AVG function and GROUP BY clause.

NEW QUESTION NO: 17
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 on this series.
You have a database that tracks orders and deliveries for customers in North America. System versioning is enabled for all tables. The database contains the Sales.Customers, Application.Cities, and Sales.CustomerCategories tables.
Details for the Sales.Customers table are shown in the following table:

Details for the Application.Cities table are shown in the following table:

Details for the Sales.CustomerCategories table are shown in the following table:

You are creating a report to measure the impact of advertising efforts that were designed to attract new customers. The report must show the number of new customers per day for each customer category, but only if the number of new customers is greater than five.
You need to write the query to return data for the report.
How should you complete the Transact-SQL statement? To answer, drag the appropriate Transact-SQL segments to the correct locations. Each 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:

Answer: 

Explanation/Reference:
Explanation:
Box 1: IN (
The IN clause determines whether a specified value matches any value in a subquery or a list.
Syntax: test_expression [ NOT ] IN ( subquery | expression [ ,...n ] )
Where subquery is a subquery that has a result set of one column. This column must have the same data type as test_expression.
Box 2: WHERE
Box 3: AND [IsOnCreditHold] = 0
Box 4: )
References: https://msdn.microsoft.com/en-us/library/ms177682.aspx

NEW QUESTION NO: 18
HOTSPOT
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 query a database that includes two tables: Project and Task. The Project table includes the following columns:


You need to identify the owner of each task by using the following rules:
Return each task's owner if the task has an owner.

If a task has no owner, but is associated with a project that has an owner, return the project's owner.

Return the value-1for all other cases.

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

Answer: 

Explanation/Reference:
Explanation:
Box 1: COALESCE
COALESCE evaluates the arguments in order and returns the current value of the first expression that initially does not evaluate to NULL.
Box 2: T.UserID, p.UserID, -1
Return each task's owner if the task has an owner.

If a task has no owner, but is associated with a project that has an owner, return the project's owner.

Return the value -1 for all other cases.

Box 3: RIGHT JOIN
The RIGHT JOIN keyword returns all rows from the right table (table2), with the matching rows in the left table (table1). The result is NULL in the left side when there is no match. Here the right side could be NULL as the projectID of the task could be NULL.
References:
https://msdn.microsoft.com/en-us/library/ms190349.aspx
http://www.w3schools.com/Sql/sql_join_right.asp

NEW QUESTION NO: 19
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
Answer: B
Explanation/Reference:
Explanation:
The SQL CROSS JOIN produces a result set which is the number of rowsin the first table multiplied by the number of rows in the second table if no WHERE clause is used along with CROSS JOIN. This kind of result is called as Cartesian Product.
This is not what is required in this scenario.
References:https://technet.microsoft.com/en-us/library/ms190690(v=sql.105).aspx

NEW QUESTION NO: 20
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.
Answer: 
See the solution below
Explanation/Reference:
SELECT CityID, QuestionID, RawCount
FROM Cities AS t1
(SELECT Tokyo, Boston, London, "New York" FROM Rawsurvey) p
UNPIVOT
( Rawcount FOR CityName IN ('Tokyo','Boston','London','New York')
AS t2
JOIN t2
ON t1.CityName = t2.cityName
Explanation:
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