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High Quality Microsoft MCSA 70-761 Dumps Exam Questions And Answers Update (Q1-Q10)
QUESTION 1
You have a database that stored information about servers and application errors. The database contains the following tables.
Servers
Errors
You are building a webpage that shows the three most common errors for each server.
You need to return the data for the webpage.
How should you complete the Transact-SQL statement? To answer, drag the appropriate Transact-SQL segments to the correct location. 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.
NOTE: Each correct selection is worth one point.
Select and Place:
Correct Answer:
QUESTION 2
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:
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.
QUESTION 3
You have the following stored procedure:
You run the following Transact-SQL statements:
What is the result of each Transact-SQL statement? To answer, select the appropriate options in the answer area.
Hot Area:
Correct Answer:
Explanation:
Box 1: All transactions are rolled back.
The first IF-statement, IF @CODE = ‘C2323’ AND @ApplicationID = 1, will be true, an error will be raised, the error will be caught in the CATCH block, and the only transaction that has been started will be rolled back.
Box 2: Only Log1, Log2, and Log3 tables are updated.
The second IF-statement, IF @Code = ‘C2323’, will be true, so the second transaction will be rolled back, but log1, log2, and log3 was updated before the second transaction.
QUESTION 4
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:
– Return a column named Fullname that includes the salesperson FirstName, a space, and then LastName.
– Include the current year-to-date sales for each salesperson.
– Display only data for the three salespersons with the lowest year-to-year sales values.
– Exclude salespersons that have no value for TerritoryID.
Construct the query using the following guidelines:
– Use the first letter of a table name as the table alias.
– Use two-part column names.
– Do not surround object names with square brackets.
– Do not use implicit joins.
– Use only single quotes for literal text.
– 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.
Correct Answer: Explanation
Explanation
Explanation/Reference:
Answer: SELECT TOP 3
(p.FirstName + ‘ ‘ + p.LastName) AS FullName
, s.SalesYTD
FROM
Person AS p
INNER JOIN SalesPerson AS s
ON p.PersonID = s.PersonID
WHERE
Answer: TerritoryID IS NOT NULL
ORDER BY
Answer: SalesYTD DESC
QUESTION 5
You have the following Transact-SQL query:
What type of functions are used in the query? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point. 70-761 dumps
Hot Area:
Correct Answer:
Explanation:
Box 1: Scalar
The return value of a function can either be a scalar (single) value or a table.
Box 2: Table-Valued
The APPLY operator allows you to invoke a table-valued function for each row returned by an outer table expression of a query. The table-valued function acts as the right input and the outer table expression acts as the left input. The right input is evaluated for each row from the left input and the rows produced are combined for the final output. The list of columns produced by the APPLY operator is the set of columns in the left input followed by the list of columns returned by the right input.
QUESTION 6
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:
Correct Answer:
QUESTION 7
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: UNPIVOT
Explanation:
UNPIVOT must be used to rotate columns of the Rawsurvey table into column values.
QUESTION 8
You have two tables named UserLogin and Employee respectively.
You need to create a Transact-SQL script that meets the following requirements:
– The script must update the value of the IsDeleted column for the UserLogin table to 1 if the value of the Id column for the UserLogin table is equal to 1.
– The script must update the value of the IsDeleted column of the Employee table to 1 if the value of the Id column is equal to 1 for the Employee table when an update to the UserLogin table throws an error.
– The error message “No tables updated!” must be produced when an update to the Employee table throws an error.
Which five 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:
Explanation:
A TRY block must be immediately followed by an associated CATCH block. Including any other statements between the END TRY and BEGIN CATCH statements generates a syntax error.
QUESTION 9
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 plan to run the following query to update tasks that are not yet started:
You need to return the total count of tasks that are impacted by this UPDATE operation, but are not associated with a project. 70-761 dumps
What set of Transact-SQL statements should you run?
A. Option A
B. Option B
C. Option C
D. Option D
Correct Answer: B
Explanation:
The WHERE clause of the third line should be WHERE ProjectID IS NULL, as we want to count the tasks that are not associated with a project.
QUESTION 10
You have a database that contains the following tables.
You need to create a query that lists all complaints from the Complaints table, and the name of the person handling the complaints if a person is assigned. The ComplaintID must be displayed first, followed by the person name.
Construct the query using the following guidelines:
– Use two-part column names.
– Use one-part table names.
– Do not use aliases for column names or table names.
– Do not use Transact-SQL functions.
– Do not use implicit joins.
– 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
Explanation:
SELECT
Complaints.ComplaintID, Persons.Name
FROM
Complaints LEFT OUTER JOIN Contacts ON Complaints.ComplaintID = Contacts.ComplaintID
LEFT OUTER JOIN Persons ON Contacts.PersonID = Persons.PersonID
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