Passed Microsoft 70-461 Exam with Pass4sure and Lead2pass PDF & VCE (31-40)

QUESTION 31
You administer a Microsoft SQL Server 2012 database that has multiple tables in the Sales schema. Some users must be prevented from deleting records in any of the tables in the Sales schema. You need to manage users who are prevented from deleting records in the Sales schema. You need to achieve this goal by using the minimum amount of administrative effort. What should you do?

A.    Create a custom database role that includes the users. Deny Delete permissions on the Sales schema
for the custom database role.
B.    Include the Sales schema as an owned schema for the db_denydatawriter role. Add the users to the
db_denydatawriter role.
C.    Deny Delete permissions on each table in the Sales schema for each user.
D.    Create a custom database role that includes the users. Deny Delete permissions on each table in the
Sales schema for the custom database role.

Answer: A

QUESTION 32
You have an XML schema collection named Sales.InvoiceSchema. You need to declare a variable of the XML type named XML1. The solution must ensure that XML1 is validated by using Sales.InvoiceSchema. Which code segment should you use? To answer, type the correct code in the answer area.
Answer:
DECLARE @XML1 XML(Sales.InvoiceSchema)
Explanation:
http://msdn.microsoft.com/en-us/library/ms176009.aspx

QUESTION 33
You use Microsoft SQL Server 2012 to develop a database application. You create a stored procedure named DeleteJobCandidate. You need to ensure that if DeleteJobCandidate encounters an error, the execution of the stored procedure reports the error number. Which Transact-SQL statement should you use?

A.    DECLARE @ErrorVar INT;
DECLARE @RowCountVar INT;
EXEC DeleteJobCandidate
SELECT @ErrorVar = @@ERROR, @RowCountVar = @@ROWCOUNT;
IF (@ErrorVar <> 0)
PRINT N’Error = ‘ + CAST(@@ErrorVar AS NVARCHAR(8)) +
N’, Rows Deleted = ‘ + CAST(@@RowCountVar AS NVARCHAR(8));
GO
B.    DECLARE @ErrorVar INT;
DECLARE @RowCountVar INT;
EXEC DeleteJobCandidate
SELECT @ErrorVar = ERROR_STATE(), @RowCountVar = @@ROWCOUNT;
IF (@ErrorVar <> 0)
PRINT N’Error = ‘ + CAST(ERRORSTATE() AS NVARCHAR(8)) +
N’, Rows Deleted = ‘ + CAST(@@RowCountVar AS NVARCHAR(8));
GO
C.    EXEC DeleteJobCandidate
IF (ERROR_STATE() != 0)
PRINT N’Error = ‘ + CAST(@@ERROR AS NVARCHAR(8)) +
N’, Rows Deleted = ‘ + CAST(@@ROWCOUNT AS NVARCHAR(8));
GO
D.    EXEC DeleteJobCandidate
PRINT N’Error = ‘ + CAST(@@ERROR AS NVARCHAR(8)) +
N’, Rows Deleted = ‘ + CAST(@@ROWCOUNT AS NVARCHAR(8));
GO

Answer: A
Explanation:
http://msdn.microsoft.com/en-us/library/ms190193.aspx
http://msdn.microsoft.com/en-us/library/ms188790.aspx

QUESTION 34
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 preceding year. Which Transact-SQL query should you use?

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

Answer: B
Explanation:
http://msdn.microsoft.com/en-us/library/hh231256.aspx
http://msdn.microsoft.com/en-us/library/hh213125.aspx

QUESTION 35
You use Microsoft SQL Server 2012 to develop a database application. Your application sends data to an NVARCHAR(MAX) variable named @var. You need to write a Transact-SQL statement that will find out the success of a cast to a decimal (36,9). Which code segment should you use?select

A.    BEGIN TRY
SELECT convert(decimal(36,9), @var) AS Value, ‘True’ AS BadCast
END TRY
BEGIN CATCH
SELECT convert(decimal(36,9), @var) AS Value, ‘False’ AS BadCast
END CATCH
B.    TRY(
SELECT convert(decimal(36,9), @var)
SELECT ‘True’ AS BadCast
)
CATCH(
SELECT ‘False’ AS BadCast
)
C.    SELECT
CASE
WHEN convert(decimal(36,9), @var) IS NULL
THEN ‘True’
ELSE ‘False’
END
AS BadCast
D.    SELECT
IIF(TRY_PARSE(@var AS decimal(36,9)) IS NULL, ‘True’, ‘False’)
AS BadCast

Answer: D
Explanation:
http://msdn.microsoft.com/en-us/library/hh213126.aspx

QUESTION 36
You are writing a set of queries against a FILESTREAM-enabled database. You create a stored procedure that will update multiple tables within a transaction. You need to ensure that if the stored procedure raises a run-time error, the entire transaction is terminated and rolled back. Which Transact-SQL statement should you include at the beginning of the stored procedure?

A.    SET TRANSACTION ISOLATION LEVEL SERIALIZABLE
B.    SET XACT_ABORT OFF
C.    SET TRANSACTION ISOLATION LEVEL SNAPSHOT
D.    SET IMPLICIT_TRANSACTIONS ON
E.    SET XACT_ABORT ON
F.    SET IMPLICIT TRANSACTIONS OFF

Answer: E
Explanation:
http://msdn.microsoft.com/en-us/library/ms188792.aspx

QUESTION 37
You develop a Microsoft SQL Server 2012 database. The database is used by two web applications that access a table named Products. You want to create an object that will prevent the applications from accessing the table directly while still providing access to the required data. You need to ensure that the following requirements are met:
Future modifications to the table definition will not affect the applications’ ability to access data.
The new object can accommodate data retrieval and data modification.
You need to achieve this goal by using the minimum amount of changes to the applications.
What should you create for each application?

A.    Synonyms
B.    Common table expressions
C.    Views
D.    Temporary tables

Answer: C
Explanation:
http://msdn.microsoft.com/en-us/library/ms190174.aspx

QUESTION 38
You develop a Microsoft SQL Server 2012 server database that supports an application. The application contains a table that has the following definition:
CREATE TABLE Inventory (
ItemID int NOT NULL PRIMARY KEY,
ItemsInStore int NOT NULL,
ItemsInWarehouse int NOT NULL)
You need to create a computed column that returns the sum total of the ItemsInStore and ItemsInWarehouse values for each row. The new column is expected to be queried heavily, and you need to be able to index the column. Which Transact-SQL statement should you use?

A.    ALTER TABLE Inventory
ADD TotalItems AS ItemslnStore + ItemsInWarehouse
B.    ALTER TABLE Inventory
ADD TotalItems AS ItemsInStore + ItemsInWarehouse PERSISTED
C.    ALTER TABLE Inventory
ADD TotalItems AS SUM(ItemsInStore,ItemsInWarehouse) PERSISTED
D.    ALTER TABLE Inventory
ADD TotalItems AS SUM(ItemsInStore, ItemsInWarehouse)

Answer: B
Explanation:
http://msdn.microsoft.com/en-us/library/ms174979.aspx

QUESTION 39
You develop a Microsoft SQL Server 2012 database that has two tables named SavingAccounts and LoanAccounts. Both tables have a column named AccountNumber of the nvarchar data type. You use a third table named Transactions that has columns named TransactionId AccountNumber, Amount, and TransactionDate. You need to ensure that when multiple records are inserted in the Transactions table, only the records that have a valid AccountNumber in the SavingAccounts or LoanAccounts are inserted. Which Transact-SQL statement should you use?

A.    CREATE TRIGGER TrgValidateAccountNumber
ON Transactions
INSTEAD OF INSERT
AS
BEGIN
INSERT INTO Transactions
SELECT TransactionID,AccountNumber,Amount,TransactionDate FROM inserted
WHERE AccountNumber IN
(SELECT AccountNumber FROM LoanAccounts
UNION SELECT AccountNumber FROM SavingAccounts))
END
B.    CREATE TRIGGER TrgValidateAccountNumber
ON Transactions
FOR INSERT
AS
BEGIN
INSERT INTO Transactions
SELECT TransactionID,AccountNumber,Amount,TransactionDate FROM inserted
WHERE AccountNumber IN
(SELECT AccountNumber FROM LoanAccounts
UNION SELECT AccountNumber FROM SavingAccounts))
END
C.    CREATE TRIGGER TrgValidateAccountNumber
ON Transactions
INSTEAD OF INSERT
AS
BEGIN
IF EXISTS (
SELECT AccountNumber FROM inserted EXCEPT
(SELECT AccountNumber FROM LoanAccounts
UNION SELECT AccountNumber FROM SavingAccounts))
BEGIN
ROLLBACK TRAN
END
END
D.    CREATE TRIGGER TrgValidateAccountNumber
ON Transactions
FOR INSERT
AS
BEGIN
IF EXISTS (
SELECT AccountNumber FROM inserted EXCEPT
(SELECT AccountNumber FROM LoanAccounts
UNION SELECT AccountNumber FROM SavingAccounts))
BEGIN
ROLLBACK TRAN
END
END

Answer: A

QUESTION 40
You develop a Microsoft SQL Server 2012 database. You create a view that performs the following tasks:
Joins 8 tables that contain up to 500,000 records each.
Performs aggregations on 5 fields.
The view is frequently used in several reports.
You need to improve the performance of the reports. What should you do?
Convert the view into a table-valued function. Convert the view into a Common Table Expression (CTE). Convert the view into an indexed view.
Convert the view into a stored procedure and retrieve the result from the stored procedure into a temporary table.

A.    Convert the view into a table-valued function.
B.    Convert the view into a Common Table Expression (CTE).
C.    Convert the view into an indexed view.
D.    Convert the view into a stored procedure and retrieve the result from the stored procedure into
a temporary table.

Answer: C
Explanation:
http://msdn.microsoft.com/en-us/library/ms191432.aspx

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