最高の参考書でMicrosoft 70-764 模擬対策問題に合格しよう

 

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70-764試験番号:70-764 全真問題集
試験科目:「Administering a SQL Database Infrastructure」
最近更新時間:2017-06-13
問題と解答:55

>> 70-764 全真問題集

 

NO.1 You have a database that stores information for a shipping company. You create a table named
Customers by running the following Transact-SQL statement. (Line numbers are included for
reference only.)
You need to ensure that salespeople can view data only for the customers that are assigned to them.
Which Transact-SQL segment should you insert at line 07?
A. RETURNS dbo.CustomersORDER BY @salesPerson
B. RETURNS tableORDER BY @salesPerson
C. RETURNS varchar(20)WITH Schemabinding
D. RETURNS tableWITH Schemabinding
Answer: D

70-764 受験期   
Explanation:
The return value can either be a scalar (single) value or a table.
SELECT 1 just selects a 1 for every row, of course. What it's used for in this case is testing whether any
rows exist that match the criteria: if a row exists that matches the WHERE clause, then it returns 1,
otherwise it returns nothing.
Specify the WITH SCHEMABINDING clause when you are creating the function. This ensures that the
objects referenced in the function definition cannot be modified unless the function is also modified.
References: https://docs.microsoft.com/en-us/sql/t-sql/statements/create-function-transact-sql

NO.2 HOTSPOT
You manage a Microsoft SQL Server instance. You have a user named User1.
You need to grant the minimum permissions necessary to allow User1 to review audit logs.
For each action, which option should you use? To answer, select the appropriate options in the
answer area.
Answer:
Explanation:
Box 1: securityadmin
To access log files for instances of SQL Server that are online, this requires membership in the
securityadmin fixed server role.
Box 2: sys.server_audit_specifications
sys.server_audit_specifications contains information about the server audit specifications in a SQL
Server audit on a server instance.

NO.3 Note: This question is part of a series of questions that present the same scenario. Each
question in the series contains a unique solution that might meet the stated goals. Some question
sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this sections, you will NOT be able to return to it. As a result, these
questions will not appear in the review screen.
A company has an on-premises Microsoft SQL Server environment and Microsoft Azure
SQL Database instances. The environment hosts several customer databases.
One customer reports that their database is not responding as quickly as the service level agreements
dictate. You observe that the database is fragmented.
You need to optimize query performance.
Solution: You run the DBCC CHECKDB command.
Does the solution meet the goal?
A. No
B. Yes
Answer: A

70-764 予想   70-764 資料   
Explanation:
DBCC CHECKDB only checks the logical and physical integrity of all the objects in the specified
database. It does not update any indexes, and does not improve query performance.
References:https://docs.microsoft.com/en-us/sql/t-sql/database-console-commands/dbcc- checkdb
-transact-sql

NO.4 Note: This question is part of a series of questions that present the same scenario. Each
question in the series contains a unique solution that might meet the stated goals. Some question
sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this sections, you will NOT be able to return to it. As a result, these
questions will not appear in the review screen.
You need to configure a Microsoft SQL Server instance to ensure that a user named Mail1 can send
mail by using Database Mail.
Solution: You add the DatabaseMailUserRole to Mail1 in the tempdb database.
Does the solution meet the goal?
A. No
B. Yes
Answer: A

70-764 回答   
Explanation:
Database Mail is guarded by the database role DatabaseMailUserRole in the msdb database, not the
tempdb database, in order to prevent anyone from sending arbitrary emails. Database users or roles
must be created in the msdb database and must also be a member of DatabaseMailUserRole in order
to send emails with the exception of sysadmin who has all privileges.
Note: Database Mail was first introduced as a new feature in SQLServer 2005 and replaces the SQL
Mail feature found in previous versions.
References:
http://www.idevelopment.info/data/SQLServer/DBA_tips/Database_Administration/DBA_20.shtml

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