70-461 - Introducing Microsoft® SQL Server 2012, Exams of Database Programming

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 Vendor: Microsoft

 Exam Code: 70- 461

 Exam Name: Querying Microsoft SQL Server 2012

 Question 101 – The End

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QUESTION 101

You want to add a new GUID column named BookGUID to a table named dbo.Book that already contains data. BookGUID will have a constraint to ensure that it always has a value when new rows are inserted into dbo.Book. You need to ensure that the new column is assigned a GUID for existing rows. Which four Transact-SQL statements should you use? (To answer, move the appropriate SQL statements from the list of statements to the answer area and arrange them in the correct order.)

Answer:

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Explanation: Actually, in the real world, you don't have to use WITH VALUES at the end of the statement and it works just as well. But because the question specifically states which FOUR TSQL statements to use, we have to include it. http://msdn.microsoft.com/en-us/library/ms190273.aspx

QUESTION 102

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.)

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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 a create a self-reference foreign key constraint?

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

Answer: I

QUESTION 103

You need to create a table named OrderDetails on a new server. OrderDetails must meet the following requirements:

• Contain a new column named LineltemTotal that stores the product of ListPrice and Quantity for each row.
• The calculation for a line item total must not be run every time the

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table is queried.

• The code must NOT use any object delimiters. The solution must ensure that LineltemTotal is stored as the last column in the table. Part of the correct T- SQL statement has been provided in the answer area. Provide the complete code.

Answer: CREATE TABLE OrderDetails ( ListPrice money NOT NULL, Quantity int NOT NULL, LineItemTotal AS (ListPrice * Quantity) PERSISTED )

QUESTION 104

You have a database named Sales that contains the tables shown in the exhibit. (Click the Exhibit button.)

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You have an application named Appl. You have a parameter named @Count that uses the int data type. App1 is configured to pass @Count to a stored procedure. You need to create a stored procedure named usp_Customers for App1 that returns only the number of rows specified by the @Count parameter. The solution must NOT use BEGIN and END statements. Part of the correct T-SQL statement has been provided in the answer area. Provide the complete code.

Answer: CREATE PROCEDURE usp_Customers @Count int SELECT TOP(@Count) Customers.LastName FROM Customers ORDER BY Customers.LastName

QUESTION 105

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You need to create a query that calculates the total sales of each OrderlD from a table named Sales.Details. The table contains two columns named OrderlD and ExtendedAmount. The solution must meet the following requirements:

• Use one-part names to reference columns.
• Start the order of the results from OrderlD.
• NOT depend on the default schema of a user.
• Use an alias of TotalSales for the calculated ExtendedAmount.
• Display only the OrderlD column and the calculated TotalSales column. Provide the correct code in the answer area.

Answer: ……

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