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70-465 PDF DEMO:

QUESTION NO: 1
You need to implement changes to the system to reduce contention and improve performance of the SalesOrderDetail table.
Which three actions should you perform? Each correct answer presents part of the solution. Choose three.
A. Use (SNAPSHOT] hints in the report queries
B. ALTER DATABASE [ProdDB] SET READ_COMMITTED_SNAPSHOT ON
C. ALTER DATABASE [ProdDB] SET READ_COMMITTED_SNAPSHOT OFF
D. SET TRANSACTION ISOLATION LEVEL SNAPSHOT
E. Use (TABLOCK) hints in the report queries
F. SET TRANSACTION ISOLATION LEVEL SERIALIZABLE
G. ALTER DATABASE [ProdDB] SET ALLOW_SNAPSHOT_ISOLATION ON
H. Use (SNAPSHOT] hints in the update statements
Answer: A,B,F
Explanation:
*Scenario:
The SalesOrderDetail table holds the details about each sale. It is in the Sales schema owned by the SalesStaff Windows group.
This table is constantly being updated, inserted into, and read.
*Regardless of which office runs a sales force report, the SalesOrderDetail table should only return valid, committed order data; any orders not yet committed should be ignored.
*READ_COMMITTED_SNAPSHOT { ON | OFF } ON Enables Read-Committed Snapshot option at the database level. When it is enabled, DML statements start generating row versions even when no transaction uses Snapshot Isolation. Once this option is enabled, the transactions specifying the read committed isolation level use row versioning instead of locking. When a transaction runs at the read committed isolation level, all statements see a snapshot of data as it exists at the start of the statement. OFF Turns off Read-Committed Snapshot option at the database level. Transactions specifying the READ COMMITTED isolation level use locking. ALTER DATABASE SET Options (Transact-
SQL) SET Statements (Transact-SQL)

QUESTION NO: 2
You have two databases named DB1 and DB2 that are located on the same server.
You plan to create a stored procedure named SProc1 in DB1.
SProc1 will query a table named Table2 in DB2.
You need to recommend a solution to ensure that SProc1 can access Table2 without granting users direct access to Table2.
What should you include in the recommendation?
More than one answer choice may achieve the goal. Select the BEST answer.
A. Contained databases
B. Application roles
C. Cross-database ownership chaining
D. Digital certificates
Answer: B
Explanation:
An application role is a database principal that enables an application to run with its own, user-like permissions.
You can use application roles to enable access to specific data to only those users who connect through a particular application. Unlike database roles, application roles contain no members and are inactive by default.
Reference: Application Roles

QUESTION NO: 3
You administer a SQL Server 2014 instance.
Users report that the SQL Server has seemed slow today. A large database was being restored for much of the day, which could be causing issues.
You want to write a query of the system views that will report the following:
- Number of users that have a connection to the server
- Whether a user's connection is active
- Whether any connections are blocked
- What queries are being executed
Whether the database restore is still executing and, if it is, what percentage of the restore is complete.
Which system objects should you use in your query to best achieve this task?
A. sys.dm_exec_requests, sys.dm_exec_sessions, sys.objects
B. sys.dm_exec_sessions, sys.dm_exec_query_stats, sys.dm_exec_query_text,sys.objects
C. sys.sysprocesses, sys.dm_exec_query_text, sys.objects
D. sys.dm_exec_requests, sys.dm_exec_sessions, sys.dm_exec_query_text
Answer: D
Explanation:
*sys.dm_exec_requests
Returns information about each request that is executing within SQL Server.
*sys.dm_exec_sessions
Returns one row per authenticated session on SQL Server. sys.dm_exec_sessions is a server-scope view that shows information about all active user connections and internal tasks. This information includes client version, client program name, client login time, login user, current session setting, and more.
*sys.dm_exec_query_text
Returns the text of the SQL batch that is identified by the specified sql_handle.
References:
sys.dm_exec_requests (Transact-SQL)
sys.dm_exec_sessions (Transact-SQL)
Incorrect:
*sys.dm_exec_query_stats Returns aggregate performance statistics for cached query plans in SQL
Server.
The view contains one row per query statement within the cached plan, and the lifetime of the rows are tied to the plan itself.
*sys.objects Contains a row for each user-defined, schema-scoped object that is created within a database.

QUESTION NO: 4
You have a server named Server1 that has 2 processors.
You plan to deploy multiple instances of SQL Server 2014 to Server1. Each instance will have multiple databases.
You need to recommend a method to allocate processor time to each database.
What should you include in the recommendation?
More than one answer choice may achieve the goal. Select the BEST answer.
A. Resource Governor
B. Max Degree of Parallelism
C. Windows System Resource Manager (WSRM)
D. Processor affinity
Answer: A
Explanation:
SQL Server Resource Governor is a feature than you can use to manage SQL Server workload and system resource consumption. Resource Governor enables you to specify limits on the amount of
CPU, physical IO, and memory that incoming application requests can use.
Reference: Resource Governor
Incorrect:
D: PROCESS AFFINITY
Enables hardware threads to be associated with CPUs.

QUESTION NO: 5
You have a SQL Server 2014 database named DB1.
You plan to import a large number of records from a SQL Azure database to DB1.
You need to recommend a solution to minimize the amount of space used in the transaction log during the import operation.
What should you include in the recommendation?
A. The bulk-logged recovery model
B. The full recovery model
C. A new partitioned table
D. A new log file
E. A new file group
Answer: A
Explanation:
Compared to the full recovery model, which fully logs all transactions, the bulk-logged recovery model minimally logs bulk operations, although fully logging other transactions.
The bulk-logged recovery model protects against media failure and, for bulk operations, provides the best performance and least log space usage.
Note:
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.
Reference: Recovery Models (SQL Server)

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Updated: May 28, 2022