[Free] 2017(Sep) EnsurePass Testking Microsoft 70-465 Dumps with VCE and PDF 41-50

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Designing Database Solutions for Microsoft SQL Server

Question No: 41 – (Topic 4)

You need to recommend a solution for the planned changes to the customer classifications.

What should you recommend? (Each correct answer presents part of the solution. Choose all that apply.)

  1. Add a row to the Customers table each time a classification changes.

  2. Add columns for each classification to the Customers table.

  3. Add a table to track any changes made to the classification of each customer.

  4. Add a column to the Classifications table to track the status of each classification.

  5. Implement change data capture.

Answer: C,D Explanation:

  • Scenario: You plan to change the way customers are classified. The new classifications will have four levels based on the number of orders. Classifications may be removed or added in the future.

    Incorrect:

    Not E: Change data capture provides information about DML changes on a table and a database. By using change data capture, you eliminate expensive techniques such as user triggers, timestamp columns, and join queries.

    Question No: 42 – (Topic 4)

    You need to recommend a solution for the error handling of USP_3. The solution must minimize the amount of custom code required.

    What should you recommend?

    1. Use the @@ERROR variable in the nested stored procedures.

    2. Use a TRY CATCH block in the called stored procedures.

    3. Use the @@ERROR variable in the called stored procedures.

    4. Use the RAISERROR command in the nested stored procedures.

    Answer: B Explanation:

  • Must catch and handle the error.

  • Scenario: A stored procedure named USP_3 is used to update prices. USP_3 is composed of several UPDATE statements called in sequence from within a transaction. Currently, if one of the UPDATE statements fails, the stored procedure continues to execute.

    Reference: TRY…CATCH (Transact-SQL)

    Question No: 43 – (Topic 4)

    You need to recommend a solution for the error handling of USP_4. The solution must handle errors for nested stored procedures in the code for USP_4.

    What should you recommend?

    1. Use the @@ERROR variable in the nested stored procedures.

    2. Use the @@ERROR variable in USP_4.

    3. Use the RAISERROR command in the nested stored procedures.

    4. Use the RAISERROR command in USP_4.

    Answer: C Explanation:

  • A stored procedure named USP_4 calls stored procedures in the Sales, Customers, and Inventory databases. The nested stored procedures read tables from the Sales, Customers, and Inventory databases. USP_4 uses an EXECUTE AS clause.

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

    Question No: 44 – (Topic 4)

    You need to recommend a change to USP_3 to ensure that the procedure completes only if all of the UPDATE statements complete.

    Which change should you recommend?

    1. Set the XACT_ABORT option to off

    2. Set the XACT_ABORT option to on.

    3. Set the IMPLICIT_TRANSACTIONS option to off.

    4. Set the IMPLICIT_TRANSACTIONS option to on.

    Answer: B Explanation:

  • Scenario: A stored procedure named USP_3 is used to update prices. USP_3 is composed of several UPDATE statements called in sequence from within a transaction. Currently, if one of the UPDATE statements fails, the stored procedure continues to execute.

  • When SET XACT_ABORT is ON, if a Transact-SQL statement raises a run-time error, the entire transaction is terminated and rolled back.

    Question No: 45 – (Topic 4)

    You need to recommend a solution to minimize the amount of time it takes to execute USP_5.

    What should you include in the recommendation?

    1. Enable cross-database chaining.

    2. Use a server role to group all logins.

    3. Use the EXECUTE AS clause in USP_5.

    4. Copy USP.5 to each database.

    Answer: A

    Explanation:

  • Scenario: A stored procedure named USP_5 changes data in multiple databases. Security checks are performed each time USP_5 accesses a database.

  • Cross-database ownership chaining occurs when a procedure in one database depends on objects in another database. A cross-database ownership chain works in the same way as ownership chaining within a single database, except that an unbroken ownership chain requires that all the object owners are mapped to the same login account. If the source object in the source database and the target objects in the target databases are owned by the same login account, SQL Server does not check permissions on the target objects.

    Reference: http://technet.microsoft.com/en-us/sqlserver/bb669059(v=vs.

    ).aspx

    Question No: 46 – (Topic 4)

    You need to recommend a disaster recovery strategy for the Inventory database. What should you include in the recommendation?

    1. Log shipping

    2. SQL Server Failover Clustering

    3. AlwaysOn availability groups

    4. Peer-to-peer replication

    Answer: A Explanation:

  • Scenario

    / You must be able to recover data from the Inventory database if a storage failure occurs. You have a Recovery Point Objective (RPO) of one hour.

    / A. Datum Corporation has offices in Miami and Montreal.

  • SQL Server Log shipping allows you to automatically send transaction log backups from a primary database on a primary server instance to one or more secondary databases on separate secondary server instances. The transaction log backups are applied to each of the secondary databases individually.

  • Reference: About Log Shipping (SQL Server)

    Question No: 47 – (Topic 4)

    You need to recommend a solution to minimize the amount of time it takes to execute USP_1.

    With what should you recommend replacing Table1?

    1. An indexed view

    2. A function

    3. A table variable

    4. A temporary table

    Answer: D Explanation:

    Scenario: A stored procedure named USP_1 generates millions of rows of data for multiple reports. USP_1 combines data from five different tables from the Sales and Customers databases in a table named Table1.

    After Table1 is created, the reporting process reads data from a table in the Products database and searches for information in Table1 based on input from the Products table. After the process is complete, Table1 is deleted.

    Reference: CREATE TABLE (SQL Server)

    Topic 5, Mix Questions

    Question No: 48 – (Topic 5)

    You have two SQL Server 2014 instances named SQLDev and SQLProd.

    You plan to create a new database on SQLProd that will use SQL Server Authentication.

    You need to ensure that when the new database is copied from SQLProd to SQLDev, users can connect to the database on SQLDev even if they do not have a login on the SQLDev instance.

    What should you use?

    More than one answer choice may achieve the goal. Select the BEST answer.

    1. Triggers

    2. Contained database

    3. SQL Server Analysis Services (SSAS) scripts

    4. Extended Events

    5. SQL Server Integration Services (SSIS) scripts

    Answer: B Explanation:

    A fully contained database includes all the settings and metadata required to define the database and has no configuration dependencies on the instance of the SQL Server Database Engine where the database is installed.

    Reference: Contained Databases

    Question No: 49 – (Topic 5)

    You are designing a SQL Server database for an order fulfillment system. You create a table named Sales.Orders by using the following script:

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    Each order is tracked by using one of the following statuses:

    ->Fulfilled

    ->Shipped

    ->Ordered

    ->Received

    You need to design the database to ensure that you can retrieve the status of an order on a given date. The solution must ensure that new statuses can be added in the future.

    What should you do?

    More than one answer choice may achieve the goal. Select the BEST answer.

    1. Implement change data capture on the Sales.Orders table.

    2. To the Sales.Orders table, add a column named Status that will store the order status. Update the Status column as the order status changes.

    3. Create a new table named Sales.OrderStatus that contains three columns named OrderID, StatusDate, and Status. Insert new rows into the table as the order status changes.

    4. To the Sales.Orders table, add three columns named FulfilledDate, ShippedDate, and ReceivedDate. Update the value of each column from null to the appropriate date as the order status changes.

    Answer: B

    Question No: 50 – (Topic 5)

    You plan to create a database.

    The database will be used by a Microsoft .NET application for a special event that will last for two days.

    During the event, data must be highly available. After the event, the database will be deleted.

    You need to recommend a solution to implement the database while minimizing costs. The solution must not affect any existing applications.

    What should you recommend?

    More than one answer choice may achieve the goal. Select the BEST answer.

    1. SQL Server 2014 Enterprise

    2. SQL Server 2014 Standard

    3. SQL Azure

    4. SQL Server 2014 Express with Advanced Services

    Answer: B Explanation:

    Programmability (AMO, ADOMD.Net, OLEDB, XML/A, ASSL) supported by Standard and Enterprise editions only.

    Reference: Features Supported by the Editions of SQL Server 2014

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