70-761 ウェブトレーニング & 070-741 テスト模擬問題集
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試験番号：70-761試験科目：「Querying Data with Transact-SQL」
一年間無料で問題集をアップデートするサービスを提供いたします
最近更新時間：2017-08-15
問題と解答：全82問 70-761 ウェブトレーニング
試験番号：070-741試験科目：「Networking with Windows Server 2016」
一年間無料で問題集をアップデートするサービスを提供いたします
最近更新時間：2017-08-15
問題と解答：全60問 070-741 テスト模擬問題集
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NO.1 Note: This question is part of a series of questions that use the same or similar answer choices.
An answer choice may be correct for more than one question in the series. Each question is
independent of the other questions in this series. Information and details provided in a question
apply only to that question.
You have a database that is denormalized. Users make frequent changes to data in a primary table.
You need to ensure that users cannot change the tables directly, and that changes made to the
primary table also update any related tables.
What should you implement?
A. the TRY_CONVERT function
B. the TRY_PARSE function
C. the COALESCE function
D. a view
E. a table-valued function
F. the ISNULL function
G. a stored procedure
H. a scalar function
Answer: D
70-761 ソフトウエア
Explanation:
Using an Indexed View would allow you to keep your base data in properly normalized tables and
maintain data-integrity while giving you the denormalized "view" of that data.
References: http://stackoverflow.com/questions/4789091/updating-redundant-denormalized-data-
automatically-in-sql-server
NO.2 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 section. you will NOT be able to return to it. As a result, these
questions will not appear in the review screen.
You have a database that tracks orders and deliveries for customers in North America. The database
contains the following tables:
Sales.Customers
Application.Cities
Sales.CustomerCategories
The company's development team is designing a customer directory application. The application
must list customers by the area code of their phone number. The area code is defined as the first
three characters of the phone number.
The main page of the application will be based on an indexed view that contains the area and phone
number for all customers.
You need to return the area code from the PhoneNumber field.
Solution: You run the following Transact-SQL statement:
Does the solution meet the goal?
A. Yes
B. No
Answer: A
70-761 英語版
Explanation:
The following indicates a correct solution:
* The function returns a nvarchar(10) value.
* Schemabinding is used.
* SELECT TOP 1 ... gives a single value
Note: nvarchar(max) is correct statement.
nvarchar [ ( n | max ) ]
Variable-length Unicode string data. n defines the string length and can be a value from 1 through
4,000. max indicates that the maximum storage size is 231-1 bytes (2 GB).
References:
https://docs.microsoft.com/en-us/sql/t-sql/data-types/nchar-and-nvarchar-transact-sql
https://sqlstudies.com/2014/08/06/schemabinding-what-why/
NO.3 You have a database that stored information about servers and application errors. The
database contains the following tables.
Servers
Errors
You need to return all error log messages and the server where the error occurs most often.
Which Transact-SQL statement should you run?
A. Option B
B. Option C
C. Option A
D. Option D
Answer: B
70-761 エンジン 70-761 絶対
NO.4 Note: This question is part of a series of questions that use the same or similar answer choices.
An answer choice may be correct for more than one question in the series. Each question is
independent of the other questions in this series. Information and details provided in a question
apply only to that question.
You have a table named Products that contains information about the products that your company
sells. The table contains many columns that do not always contain values.
You need to implement an ANSI standard method to convert the NULL values in the query output to
the phrase "Not Applicable".
What should you implement?
A. the ISNULL function
B. the COALESCE function
C. a table-valued function
D. a stored procedure
E. the TRY_CONVERT function
F. a view
G. a scalar function
H. the TRY_PARSE function
Answer: A
70-761 実際
Explanation:
The ISNULL function replaces NULL with the specified replacement value.
References: https://msdn.microsoft.com/en-us/library/ms184325.aspx
