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Vendor: Microsoft
Exam Code: 70-465
Exam Name: Designing Database Solutions for Microsoft SQL Server 2014 Exam
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QUESTION 61
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?
A. An indexed view
B. A function
C. A table variable
D. 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.
QUESTION 62
You need to recommend a disaster recovery strategy for the Inventory database.
What should you include in the recommendation?
A. Log shipping
B. SQL Server Failover Clustering
C. AlwaysOn availability groups
D. 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.
QUESTION 63
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?
A. Enable cross-database chaining.
B. Use a server role to group all logins.
C. Use the EXECUTE AS clause in USP_5.
D. 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.
QUESTION 64
You need to recommend a solution to meet the security requirements of the junior database administrators.
What should you include in the recommendation?
A. A server role
B. A database role
C. A credential
D. A shared login
Answer: C
Explanation:
– Scenario: A group of junior database administrators must be able to view the server state of the SQL Server instance that hosts the Sales database.
The junior database administrators will not have any other administrative rights.
– Credentials provide a way to allow SQL Server Authentication users to have an identity outside of SQL Server. Credentials can also be used when a SQL Server Authentication user needs access to a domain resource, such as a file location to store a backup.
QUESTION 65
You need to recommend a change to USP_3 to ensure that the procedure continues to execute even if one of the UPDATE statements fails.
Which change should you recommend?
A. Set the XACT_ABORT option to off.
B. Set the XACT_ABORT option to on.
C. Set the IMPLICIT_TRANSACTIONS option to off.
D. Set the IMPLICIT_TRANSACTIONS option to on.
Answer: A
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 OFF, in some cases only the Transact-SQL statement that raised the error is rolled back and the transaction continues processing.
QUESTION 66
You need to recommend a disaster recovery solution for the Dev database.
What should you include in the recommendation?
A. The simple recovery model and full backups
B. The full recovery model, full backups, and transaction log backups
C. The full recovery model, full backups, and differential backups
D. The bulk-logged recovery model and full backups
Answer: A
Explanation:
– Scenario:
You must be able to recover data from the Dev database if data is lost accidentally.
You have a Recovery Point Objective (RPO) of one day.
– The simple recovery model provides the simplest form of backup and restore.
This recovery model supports both database backups and file backups, but does not support log backups. Transaction log data is backed up only with the associated user data.
The absence of log backups simplifies managing backup and restore.
However, a database can be restored only to the end of the most recent backup.
Incorrect:
Not B: The bulk-logged recovery model is a special-purpose recovery model that should be used only intermittently to improve the performance of certain large-scale bulk operations, such as bulk imports of large amounts of data.
QUESTION 67
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.)
A. Add a row to the Customers table each time a classification changes.
B. Add columns for each classification to the Customers table.
C. Add a table to track any changes made to the classification of each customer.
D. Add a column to the Classifications table to track the status of each classification.
E. Implement change data capture.
Answer: CD
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 68
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?
A. Set the XACT_ABORT option to off
B. Set the XACT_ABORT option to on.
C. Set the IMPLICIT_TRANSACTIONS option to off.
D. 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 69
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?
A. Use the @@ERROR variable in the nested stored procedures.
B. Use a TRY CATCH block in the called stored procedures.
C. Use the @@ERROR variable in the called stored procedures.
D. 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.
QUESTION 70
You need to recommend a solution that meets the data recovery requirement.
What should you include in the recommendation?
A. A database snapshot
B. A transaction log backup
C. Snapshot isolation
D. A differential backup
Answer: D
Explanation:
http://stackoverflow.com/questions/5299812/alternatives-to-snapshot-functionality-sql-server-standard
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