2017 Version 70-461 Dumps with VCE and PDF

Discussion in '70-461' started by Stanislav Čech, May 6, 2017.

  1. Stanislav Čech

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    The new 2017 version 70-461 dumps now are available, here are part of 70-461 exam questions (FYI) [Get the download link at the end of this post]:

    NEW QUESTION 169
    You have a database that contains a table named Customer. The customer table contains a column named LastName that has a column definition of varchar(50). An application named App1 reads from the table frequently. You need to change the column definition to nvarchar(100). The solution must minimize the amount of time it takes for App1 to read the data. Which statement should you execute?
    [​IMG]

    Answer: C
    Explanation:
    To change the data type of a column in a SQL Server (or Microsoft access) table, use the following syntax:
    ALTER TABLE table_name
    ALTER COLUMN column_name datatype
    References:

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    NEW QUESTION 170
    You are maintaining a SQL Server database that uses the default settings. The database contains a table that is defined by the following Transact-SQL statement:
    [​IMG]

    Answer: A
    Explanation:
    Char(13) is a carriage return. Use the IIF construct to return an empty string for NULL values of the Adressline2 column. IIF returns one of two values, depending on whether theBoolean expression evaluates to true or false in SQL Server.
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    NEW QUESTION 171
    A table named Profits stores the total profit made each year within a territory. The Profits table has columns named Territory, Year, and Profit. You need to create a report that displays the profits made by each territory for each year and its previous year. Which Transact-SQL query should you use?

    A. SELECT Territory, Year, Profit, LEAD(Profit, 1, 0) OVER (PARTITION BY Territory ORDER BY Year) AS PreviousYearProfit FROM Profits
    B. SELECT Territory, Year, Profit, LAG(Profit, 1, 0) OVER (PARTITION BY Year ORDER BY Territory) AS PreviousYearProfit FROM Profits
    C. SELECT Territory, Year, Profit, LAG(Profit, 1, 0) OVER (PARTITION BY Territory ORDER BY Year) AS PreviousYearProfit FROM Profits
    D. SELECT Territory, Year, Profit, LEAD(Profit, 1, 0) OVER (PARTITION BY Year ORDER BY Territory) AS PreviousYearProfit FROM Profits

    Answer: C
    Explanation:
    LAG accesses data from a previous row in the same result set without the use of a self-join in SQL Server 2016. LAG provides access to a row at a given physical offset that comes before the current row. Usethis analytic function in a SELECT statement to compare values in the current row with values in a previous row. Use ORDER BY Year, not ORDER BY Territory.
    Example: the following example uses the LAG function to return the difference in sales quotas fora specific employee over previous years. Notice that because there is no lag value available for the first row, the default of zero (0) is returned.
    USE AdventureWorks2012;
    GO
    SELECT BusinessEntityID, YEAR(QuotaDate) AS SalesYear, SalesQuota AS CurrentQuota,
    LAG(SalesQuota, 1,0) OVER (ORDER BY YEAR(QuotaDate)) AS PreviousQuota
    FROM Sales.SalesPersonQuotaHistory
    WHERE BusinessEntityID = 275 and YEAR(QuotaDate) IN ('2005','2006');
    Incorrect Answers:
    A, D: LEAD accesses data from a subsequent row in the same result set without the use of a self-join in SQL Server 2016. LEAD provides access to a row at a given physical offset that follows the current row. Use this analytic function in a SELECT statement to compare values in the current row with values in a following row.
    B: Use ORDER BY Year, not ORDER BY Territory.
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    NEW QUESTION 172
    Your database contains a table named Products that has columns named ProductID and Name. You want to write a query that retrieves data from the Products table sorted by Name listing 15 rows at a time. You need to view rows 31 through 45. Which Transact-SQL query should you create?
    [​IMG]

    Answer: C
    Explanation:
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    NEW QUESTION 173
    A database named AdventureWorks contains two tables named Production.Product and Sales.SalesOrderDetail. The tables contain data on the available products and a detailed order history. The Production.Product table contains the following two columns:
    - ProductID
    - Name
    The Sales.SalesOrderDetail table contains the following three columns:
    - SalesOrderID
    - ProductID
    - OrderQty
    You need to create a query listing all of the products that were never ordered. Which statements should you execute?
    [​IMG]

    Answer: A
    Explanation:
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    NEW QUESTION 174
    You plan to write a query for a new business report that will contain several nested queries. You need to ensure that a nested query can call a table-valued function for each row in the main query. Which query operator should you use in the nested query?

    A. CROSS APPLY
    B. INNER JOIN
    C. OUTER JOIN
    D. PIVOT

    Answer: A
    Explanation:
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    NEW QUESTION 175
    You are designing a table for a SQL Server database. The table uses horizontal partitioning. You have the following requirements:
    - Each record in the table requires a unique key.
    - You must minimize table fragmentation as the table grows.
    You need to choose the appropriate data type for the key value. What should you do?

    A. Use the NEWID function to create a unique identifier.
    B. Use the NEWSEQUENTIALID function to create a unique identifier.
    C. Generate a random value that uses the bigint datatype.
    D. Generate a random value that uses the char(16) data type.

    Answer: B
    Explanation:
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    NEW QUESTION 176
    You are a database developer of a Microsoft SQL Server database. You are designing a table that will store Customer data from different sources. The table will include a column that contains the CustomerID from the source system and a column that contains the SourceID. A sample of this data is as shown in the following table.
    [​IMG]
    You need to ensure that the table has no duplicate CustomerID within a SourceID. You also need to ensure that the data in the table is in the order of SourceID and then CustomerID. Which Transact- SQL statement should you use?

    A. CREATE TABLE Customer
    (SourceID int NOT NULL,
    CustomerID int NOT NULL,
    CustomerName varchar(255) NOT NULL
    CONSTRAINT UQ_Customer UNIQUE
    (SourceID, CustomerID));
    B. CREATE TABLE Customer
    (SourceID int NOT NULL UNIQUE,
    CustomerID int NOT NULL UNIQUE,
    CustomerName varchar(255) NOT NULL);
    C. CREATE TABLE Customer
    (SourceID int NOT NULL PRIMARY KEY CLUSTERED,
    CustomerID int NOT NULL UNIQUE,
    CustomerName varchar(255) NOT NULL);
    D. CREATE TABLE Customer
    (SourceID int NOT NULL,
    CustomerID int NOT NULL,
    CustomerName varchar(255) NOT NULL,
    CONSTRAINT PK_Customer PRIMARY KEY CLUSTERED
    (SourceID, CustomerID));

    Answer: D
    Explanation:
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    NEW QUESTION 177
    Drag and Drop Question
    You maintain a SQL Server database that is used by a retailer to track sales and salespeople. The database includes two tables and two triggers that is defined by the following Transact-SQL statements:
    [​IMG]
    During days with a large sales volume, some new sales transaction fail and report the following error:
    Arithmetic overflow error converting expression to data type int.
    You need to ensure that the two triggers are applied once per sale, and that they do not interfere with each other. How should you complete the relevant Transact-SQL statement? To answer, drag the appropriate Transact-SQL segments to the correct location or locations. Each Transact-SQL segment may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.
    Image URL: [​IMG]

    Answer:
    Image URL: [​IMG]
    Explanation:
    Box 1: OFF
    Box 2: 0
    Only direct recursion of AFTER triggers is prevented when the RECURSIVE_TRIGGERS database option is set to OFF. To disable indirect recursion of AFTER triggers, also set the nested triggers server option to 0.
    Note:
    Both DML and DDL triggers are nested whena trigger performs an action that initiates another trigger. These actions can initiate other triggers, and so on. DML and DDL triggers can be nested up to 32 levels. You can control whether AFTER triggers can be nested through the nested triggers server configuration option. If nested triggers are allowed and a trigger in the chain starts an infinite loop, the nesting level is exceeded and the trigger terminates.
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    NEW QUESTION 178
    ......

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    Good Luck!!!
     
  2. Canafishdrown

    Canafishdrown Member
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    Greetings Stanislav
    Is this Dump valid ?
     
  3. njan

    njan Member
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    thanks a lot
     
  4. snk_nn

    snk_nn Member
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    I passed exam today with 817 score. I used this pdf and google for prepared. About 50% questions was from this pdf. and 25% questions was reworded and 25% new.
    Exam include 41 questions.
    good luck for all.
     
  5. sarafrank

    sarafrank Member
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    I try PASS4SUREKEY dumps and i passed
     

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