Microsoft 70-461 시험

Question No : 1

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.

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Question No : 2

You develop three Microsoft SQL Server 2012 databases named Database1, Database2, and Database3. You have permissions on both Database1 and Database2.
You plan to write and deploy a stored procedure named dbo.usp_InsertEvent in Database3. dbo.usp_InsertEvent must execute other stored procedures in the other databases.
You need to ensure that callers that do not have permissions on Database1 or Database2 can execute the stored procedure.
Which Transact-SQL statement should you use?

• A.USE Database2
• B.EXECUTE AS OWNER
• C.USE Database1
• D.EXECUTE AS CALLER

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Explanation:
Reference: http://msdn.microsoft.com/en-us/library/ms188354.aspx
Reference: http://blog.sqlauthority.com/2007/10/06/sql-server-executing-remote-stored-procedure­callingstored-procedure-on-linked-server/

Question No : 3

You administer a Microsoft SQL Server 2012 database that includes a table named Products. The Products table has columns named ProductId, ProductName, and CreatedDateTime.
The table contains a unique constraint on the combination of ProductName and CreatedDateTime.
You need to modify the Products table to meet the following requirements:
-Remove all duplicates of the Products table based on the ProductName column. -Retain only the newest Products row.
Which Transact-SQL query should you use?

• A.WITH CTEDupRecords AS ( SELECT MAX(CreatedDateTime) AS CreatedDateTime, ProductName FROM Products GROUP BY ProductName HAVING COUNT(*) > 1 ) DELETE p FROM Products p JOIN CTEDupRecords cte ON
• B.ProductName = cte.ProductName AND p.CreatedDateTime > cte.CreatedDateTime
• C.WITH CTEDupRecords AS ( SELECT MAX(CreatedDateTime) AS CreatedDateTime, ProductName FROM Products GROUP BY ProductName HAVING COUNT(*) > 1 ) DELETE p FROM Products p JOIN CTEDupRecords cte ON cte.ProductName = p.ProductName AND cte.CreatedDateTime > p.CreatedDateTime
• D.WITH CTEDupRecords AS ( SELECT MIN(CreatedDateTime) AS CreatedDateTime, ProductName FROM Products GROUP BY ProductName ) DELETE p FROM Products p JOIN CTEDupRecords cte ON
• E.ProductName = cte.ProductName
• F.WITH CTEDupRecords AS ( SELECT MAX(CreatedDateTime) AS CreatedDateTime, ProductName FROM Products GROUP BY ProductName HAVING COUNT(*) > 1 ) DELETE p FROM Products p JOIN CTEDupRecords cte ON
• G.ProductName = cte.ProductName

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Question No : 4

You administer a Microsoft SQL Server 2012 database. The database contains a table named Employee.
Part of the Employee table is shown in the exhibit. (Click the Exhibit button.)






Unless stated above, no columns in the Employee table reference other tables.
Confidential information about the employees is stored in a separate table named EmployeeData. One record exists within EmployeeData for each record in the Employee table.
You need to assign the appropriate constraints and table properties to ensure data integrity and visibility.
On which column in the Employee table should you use an identity specification to include a seed of 1,000 and an increment of 1?

• A.DateHired
• B.DepartmentID
• C.EmployeeID
• D.EmployeeNum
• E.FirstName
• F.JobTitle
• G.LastName
• H.MiddleName
• I.ReportsToID

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Question No : 5

You administer a Microsoft SQL Server 2012 database. The database contains a table named Employee.
Part of the Employee table is shown in the exhibit. (Click the Exhibit button.)







Confidential information about the employees is stored in a separate table named EmployeeData. One record exists within EmployeeData for each record in the Employee table. You need to assign the appropriate constraints and table properties to ensure data integrity and visibility.
On which column in the Employee table should you create a unique constraint?

• A.DateHired
• B.DepartmentID
• C.EmployeeID
• D.EmployeeNum
• E.FirstName
• F.JobTitle
• G.LastName
• H.MiddleName
• I.ReportsToID

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Question No : 6

You administer a Microsoft SQL Server database that supports a banking transaction management application.
You need to retrieve a list of account holders who live in cities that do not have a branch location.
Which Transact-SQL query or queries should you use? (Each correct answer presents a complete solution. Choose all that apply.)

• A.SELECT AccountHolderID FROM AccountHolder WHERE CityID NOT IN (SELECT CityID FROM BranchMaster)
• B.SELECT AccountHolderID FROM AccountHolder WHERE CityID <> ALL (SELECT CityID FROM BranchMaster)
• C.SELECT AccountHolderID FROM AccountHolder WHERE CityID <> SOME (SELECT CityID FROM BranchMaster)
• D.SELECT AccountHolderID FROM AccountHolder WHERE CityID <> ANY (SELECT CityID FROM BranchMaster)

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Explanation:
Verified the answers as correct. Reference: http://msdn.microsoft.com/en-us/library/ms188047.aspx
Reference: http://msdn.microsoft.com/en-us/library/ms177682.aspx
Reference: http://msdn.microsoft.com/en-us/library/ms173545.aspx

Question No : 7

You are developing a database that will contain price information.
You need to store the prices that include a fixed precision and a scale of six digits.
Which data type should you use?

• A.Float
• B.Money
• C.Smallmoney
• D.Numeric

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Explanation:
Numeric is the only one in the list that can give a fixed precision and scale. Reference: http://msdn.microsoft.com/en-us/library/ms179882.aspx

Question No : 8

You support a database structure shown in the exhibit. (Click the Exhibit button.)



You need to write a query that displays the following details:
• Total sales made by sales people, year, city, and country
• Sub totals only at the city level and country level
• A grand total of the sales amount
Which Transact-SQL query should you use?

• A.SELECT SalesPerson.Name, Country, City, DatePart(yyyy, SaleDate) AS Year, Sum(Amount) AS Total FROM Sale INNER JOIN SalesPerson ON Sale.SalesPersonID = SalesPerson.SalesPersonID GROUP BY GROUPING SETS((SalesPerson.Name, Country, City, DatePart(yyyy, SaleDate)), (Country, City), (Country), ())
• B.SELECT SalesPerson.Name, Country, City, DatePart(yyyy, SaleDate) AS Year, Sum(Amount) AS Total FROM Sale INNER JOIN SalesPerson ON Sale.SalesPersonID = SalesPerson.SalesPersonID GROUP BY CUBE(SalesPerson.Name, Country, City, DatePart(yyyy, SaleDate))
• C.SELECT SalesPerson.Name, Country, City, DatePart(yyyy, SaleDate) AS Year, Sum(Amount) AS Total FROM Sale INNER JOIN SalesPerson ON Sale.SalesPersonID = SalesPerson.SalesPersonID GROUP BY CUBE(SalesPerson.Name, DatePart(yyyy, SaleDate), City, Country)
• D.SELECT SalesPerson.Name, Country, City, DatePart(yyyy, SaleDate) AS Year, Sum(Amount) AS Total FROM Sale INNER JOIN SalesPerson ON Sale.SalesPersonID = SalesPerson.SalesPersonID GROUP BY ROLLUP(SalesPerson.Name, DatePart(yyyy, SaleDate), City, Country)

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Explanation:
Be careful with this question, because on exam can be different options for answer.
And none of them is correct: D You should report this question.
Reference: http://www.grapefruitmoon.net/diving-into-t-sql-grouping-sets/
Reference: http://msdn.microsoft.com/en-us/library/ms177673.aspx

Question No : 9

You administer a Microsoft SQL Server database that supports a shopping application.
You need to retrieve a list of customers who live in territories that do not have a sales person.
Which Transact- SQL query or queries should you use? (Each correct answer presents a complete solution. Choose all that apply.)

• A.SELECT CustomerID FROM Customer WHERE TerritoryID <> SOME(SELECT TerritoryID FROM Salesperson)
• B.SELECT CustomerID FROM Customer WHERE TerritoryID <> ALL(SELECT TerritoryID FROM Salesperson)
• C.SELECT CustomerID FROM Customer WHERE TerritoryID <> ANY(SELECT TerritoryID FROM Salesperson)
• D.SELECT CustomerID FROM Customer WHERE TerritoryID NOT IN(SELECT TerritoryID FROM Salesperson)

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Question No : 10

You use Microsoft SQL Server 2012 database to develop a shopping cart application.
You need to rotate the unique values of the ProductName field of a table-valued expression into multiple columns in the output.
Which Transact-SQL operator should you use?

• A.CROSS JOIN
• B.CROSS APPLY
• C.PIVOT
• D.UNPIVOT

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Explanation:
http://technet.microsoft.com/en-us/library/ms177634.aspx

Question No : 11

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

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

Question No : 12

You develop a Microsoft SQL Server 2012 database that contains a table named Products.
The Products table has the following definition:



You need to create an audit record only when either the RetailPrice or WholeSalePrice column is updated.
Which Transact-SQL query should you use?

• A.CREATE TRIGGER TrgPriceChange ON Products FOR UPDATE AS IF CCLUMNS_CHANGED(RetailPrice, WholesalePrice) - - Create Audit Records
• B.CREATE TRIGGER TrgPriceChange ON Products FOR UPDATE AS IF EXISTS(SELECT RetailPrice from inserted) OR EXISTS (SELECT WholeSalePnce FROM inserted) - - Create Audit Records
• C.CREATE TRIGGER TrgPriceChange ON Products FOR UPDATE AS IF COLUMNS_UPDATED(RetailPrice, WholesalePrice) - - Create Audit Records
• D.CREATE TRIGGER TrgPriceChange ON Products FOR UPDATE AS IF UPDATE(RetailPrice) OR UPDATE(WholeSalePrice) - - Create Audit Records

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Explanation:
Reference: http://msdn.microsoft.com/en-us/library/bb510663.aspx
Reference: http://msdn.microsoft.com/en-us/library/ms186329.aspx

Question No : 13

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

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Question No : 14

You have three tables that contain data for vendors, customers, and agents. You create a view that is used to look up telephone numbers for these companies.
The view has the following definition:



You need to ensure that users can update only the phone numbers by using this view.
What should you do?

• A.Alter the view. Use the EXPAND VIEWS query hint along with each SELECT statement.
• B.Drop the view. Re-create the view by using the SCHEMABINDING clause, and then create an index on the view.
• C.Create an AFTER UPDATE trigger on the view.
• D.Create an INSTEAD OF UPDATE trigger on the view.

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Explanation:
Reference: http://msdn.microsoft.com/en-us/library/ms187956.aspx

Question No : 15

You are a database developer of a Microsoft SQL Server 2012 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.



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 IDENTITY, CustomerID int NOT NULL IDENTITY, CustomerName varchar(255) NOT NULL);
• B.CREATE TABLE Customer (SourceID int NOT NULL, CustomerID int NOT NULL PRIMARY KEY CLUSTERED, 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));

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