Killtest SQL Server 70-461 Exam Dumps

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Querying Microsoft SQL Server 2012 | SQL 70-461 Exam PDF | Killtest 70-461 Exam Questions

You administer a Microsoft SQL Server 2012 database that contains a table named OrderDetail. You discover that the NCI_OrderDetail_CustomerID non-clustered index is fragmented. You need to reduce fragmentation. 
You need to achieve this goal without taking the index offline. 
Which Transact-SQL batch should you use? 
A. CREATE INDEX NCI_OrderDetail_CustomerID ON OrderDetail.CustomerID WITH DROP 
EXISTING 
B. ALTER INDEX NCI_OrderDetail_CustomerID ON OrderDetail.CustomerID REORGANIZE 
C. ALTER INDEX ALL ON OrderDetail REBUILD 
D. ALTER INDEX NCI_OrderDetail_CustomerID ON OrderDetail.CustomerID REBUILD 
Answer: B 

You administer a Microsoft SQL Server 2012 database that contains a table named OrderDetail. You discover that the NCI_OrderDetail_CustomerID non-clustered index is fragmented. You need to reduce fragmentation.You need to achieve this goal without taking the index offline. Which Transact-SQL batch should you use? 
A. CREATE INDEX NCI_OrderDetail_CustomerID ON OrderDetail.CustomerID WITH DROP EXISTING 
B. ALTER INDEX NCI_OrderDetail_CustomerID ON OrderDetail.CustomerID REORGANIZE 
C. ALTER INDEX ALL ON OrderDetail REBUILD 
D. ALTER INDEX NCI_OrderDetail_CustomerID ON OrderDetail.CustomerID REBUILD 
Answer: B

You use a Microsoft SQL Server 2012 database that contains two tables named SalesOrderHeader and SalesOrderDetail. 
The indexes on the tables are as shown in the exhibit. (Click the Exhibit button.) 



You write the following Transact-SQL query: 



You discover that the performance of the query is slow. Analysis of the query plan shows table scans where the estimated rows do not match the actual rows for SalesOrderHeader by using an unexpected index on SalesOrderDetail. 
You need to improve the performance of the query. 
What should you do? 
A. Use a FORCESCAN hint in the query. 
B. Add a clustered index on SalesOrderId in SalesOrderHeader. 
C. Use a FORCESEEK hint in the query. 
D. Update statistics on SalesOrderId on both tables. 
Answer: D 

You develop a Microsoft SQL Server 2012 database that contains tables named Employee and Person. 
The tables have the following definitions: 



Users are able to use single INSERT statements or INSERT...SELECT statements into this view. 
You need to ensure that users are able to use a single statement to insert records into both Employee and Person tables by using the VwEmployee view. 
Which Transact-SQL statement should you use? 
A. CREATE TRIGGER TrgVwEmployee 
ON VwEmployee 
FOR INSERT 
AS 
BEGIN 
INSERT INTO Person(Id, FirstName, LastName) 
SELECT Id, FirstName, LastName, FROM inserted 
INSERT INTO Employee(PersonId, EmployeeNumber) 
SELECT Id, EmployeeNumber FROM inserted 
END 
B. CREATE TRIGGER TrgVwEmployee 
ON VwEmployee 
INSTEAD OF INSERT 
AS 
BEGIN 
INSERT INTO Person(Id, FirstName, LastName) 
SELECT Id, FirstName, LastName, FROM inserted 
INSERT INTO Employee(PersonId, EmployeeNumber) 
SELECT Id, EmployeeNumber FROM inserted 
END 
C. CREATE TRIGGER TrgVwEmployee 
ON VwEmployee 
INSTEAD OF INSERT 
AS 
BEGIN 
DECLARE @ID INT, @FirstName NVARCHAR(25), @LastName NVARCHAR(25), @PersonID 
INT, @EmployeeNumber NVARCHAR(15) 
SELECT @ID = ID, @FirstName = FirstName, @LastName = LastName, @EmployeeNumber 
= EmployeeNumber 
FROM inserted 
INSERT INTO Person(Id, FirstName, LastName) 
VALUES(@ID, @FirstName, @LastName) 
INSERT INTO Employee(PersonID, EmployeeNumber) 
VALUES(@PersonID, @EmployeeNumber 
End 
D. CREATE TRIGGER TrgVwEmployee 
ON VwEmployee 
INSTEAD OF INSERT 
AS 
BEGIN 
INSERT INTO Person(Id, FirstName, LastName) 
SELECT Id, FirstName, LastName FROM VwEmployee 
INSERT INTO Employee(PersonID, EmployeeNumber) 
SELECT Id, EmployeeNumber FROM VwEmployee 
End 
Answer: B

You develop a Microsoft SQL Server 2012 database. 
You create a view from the Orders and OrderDetails tables by using the following definition. 



You need to improve the performance of the view by persisting data to disk. 
What should you do? 
A. Create an INSTEAD OF trigger on the view. 
B. Create an AFTER trigger on the view. 
C. Modify the view to use the WITH VIEW_METADATA clause. 
D. Create a clustered index on the view. 
Answer: D 

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