Microsoft 70-461 Online Practice Questions and Exam Preparation

Microsoft 70-461 Online Questions & Answers

• Question 181:

  You work as a SQL Server 2012 database developer at ABC.com.

  ABC.com has a database SalesDB with a large Orders table. You create a heap named OldData that will store historical data from the Orders table.

  You need to write a Transact-SQL query that will insert rows of data from the Orders table that are marked as closed and are more than six months old.

  Which of the following table hints should you use in your query if you want to optimize transaction logging and locking for the query?

  A. You should make use of the READPAST hint.
  B. You should make use of the HOLDLOCK hint.
  C. You should make use of the READCOMMITTED hint.
  D. You should make use of the NOLOCK hint.
  E. You should make use of the TABLOCK hint.
  F. You should make use of the UPDLOCK hint.
  E. You should make use of the TABLOCK hint.

• Question 182:

  Which XML data type method do you use to shred XML data to tabular format?

  A. modify()
  B. nodes()
  C. exist()
  D. value()
  B. nodes()

• Question 183:

  You create a view based on the following statement.

  

  You grant the Select permission to User1. You need to change the view so that it displays only the records that were processed in the month prior to the current month. You need to ensure that after the changes, the view functions correctly for User1. Which Transact-SQL statement should you use?

  

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

• Question 184:

  You have a vendor application that uses a scalar function.

  You discover that the queries for the application run slower than expected.

  You need to gather the runtime information of the scalar function.

  What are two possible ways to achieve this goal? Each correct answer presents a complete solution.

  A. Enable the Include Actual Execution Plan option.
  B. Enable the Display Estimated Execution Planoption.
  C. Create and then enable a profiler trace.
  D. Create and then enable an extended events trace.
  E. Run the Database Engine Tuning Advisor.
  A. Enable the Include Actual Execution Plan option.
  D. Create and then enable an extended events trace.

  ---

  A: An execution plan is the result of the query optimizer's attempt to calculate the mostefficient way to implement the request represented by the T-SQL query you submitted. To generate the first execution plan, you can enable the Include Actual Execution Plan option.

  D: SQL Server Extended Events can be used to capture User Defined Function(UDF) counts References:https://www.mssqltips.com/sqlservertip/4100/how-to-find-udfs-causing-sql-server-performance-issues/

• Question 185:

  You administer a Microsoft SQL Server database named ContosoDb. The database has the following schema collection: The database has a table named ReceivedPurchaseOrders that includes an XML column named PurchaseOrder by using the above schema. You need to set the requiresApproval attribute of the XML documents to false if they contain more than 50 items.

  

  

  Which Transact-SQL query should you run?

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

  ---

  Replace value of (XML DML) updates the value of a node in the document.

  Example: -- update text in the first manufacturing step

  SET @myDoc.modify('

  replace value of (/Root/Location/step[1]/text())[1]

  with "new text describing the manu step"

  ');

• Question 186:

  Which FOR XML options are valid? (Choose all that apply.)

  A. FOR XML AUTO
  B. FOR XML MANUAL
  C. FOR XML DOCUMENT
  D. FOR XML PATH
  A. FOR XML AUTO
  D. FOR XML PATH

• Question 187:

  You use Microsoft SQL Server 2012 to develop a database application. Your application sends data to an NVARCHAR (MAX) variable named @var.

  You need to write a Transact-SQL statement that will find out the success of a cast to a decimal (36,9).

  Which code segment should you use?

  

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

  ---

  http://msdn.microsoft.com/en-us/library/hh213126.aspx

• Question 188:

  Note: This question is part of a series of questions that use the same set of answer choices. An answer choice may be correct for more than one question in the series.

  You develop a database for a travel application. You create a view that displays details of events and attractions. The names of the event and attractions are sorted alphabetically.

  You need to sort the names in a case-sensitive, dictionary order.

  What should you do?

  A. Use the CAST function.
  B. Use the DATE data type.
  C. Use the FORMAT function.
  D. Use an appropriate collation.
  E. Use a user-defined table type.
  F. Use the VARBINARY data type.
  G. Use the DATETIME data type.
  H. Use the DATETIME2 data type.
  I. Use the DATETIMEOFFSET data type.
  J. Use the TODATETIMEOFFSET function.
  D. Use an appropriate collation.

  ---

  This topic describes SQL Server 2008 collation options for instances of SQL Server that require compatibility with versions of SQL Server that do not use collations. The following SQL collations are listed on the Collation Settings page of the SQL Server Installation Wizard.

  

  References: https://msdn.microsoft.com/it-it/library/ms144250(v=sql.105).aspx

• Question 189:

  You develop a Microsoft SQL Server database. You design a table to store product information. The table is defined as follows:

  

  You need to meet the following requirements:

  1.

  If a product has a product category value other than "REGULAR", the product should have a sub-category with a length of two characters.

  2.

  If a product has the product category "REGULAR", the product may or may not have a sub-category. Which Transact-SQL statement should you use?

  

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

  ---

  Either the Category column is not REGULAR, or it is REGULAR and the length of the column is exactly 2.

• Question 190:

  What can you specify as the source data in the USING clause? (Choose all that apply.)

  A. A regular table, table variable, or temporary table
  B. A table expression like a derived table or a CTE
  C. A stored procedure
  D. A table function like OPENROWSET or OPENXML
  A. A regular table, table variable, or temporary table
  B. A table expression like a derived table or a CTE
  D. A table function like OPENROWSET or OPENXML