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QUESTION 91
You use Microsoft SQL Server 2012 database to develop a shopping cart application. You need to invoke a table-valued function for each row returned by a query. Which Transact-SQL operator should you use?
A. CROSS JOIN
B. UNPIVOT
C. PIVOT
D. CROSS APPLY
Answer: D
Explanation:
http://msdn.microsoft.com/en-us/library/ms175156.aspx
QUESTION 92
You develop a database application for a university. You need to create a view that will be indexed that meets the following requirements:
– Displays the details of only students from Canada.
– Allows insertion of details of only students from Canada.
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:
Explanation:
http://msdn.microsoft.com/en-us/library/ms187956.aspx
QUESTION 93
What is the difference between the simple CASE expression and the searched CASE expression?
A. The simple CASE expression is used when the database recovery model is simple, and the searched CASE expression is used when it’s full or bulk logged.
B. The simple CASE expression compares an input expression to multiple possible expressions in the WHEN clauses, and the searched CASE expression uses independent predicates in the WHEN clauses.
C. The simple CASE expression can be used anywhere in a query, and the searched CASE expression can be used only in the WHERE clause.
D. The simple CASE expression can be used anywhere in a query, and the searched CASE expression can be used only in query filters (ON, WHERE, HAVING).
Answer: B
QUESTION 94
You use Microsoft SQL Server 2012 to develop a database application. You create two tables by using the following table definitions.
Which five 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:
QUESTION 95
You create the following stored procedure. (Line numbers are included for reference only.)
You need to ensure that the stored procedure performs the following tasks:
– If a record exists, update the record.
– If no record exists, insert a new record.
Which four Transact-SQL statements should you insert at line 07? (To answer, move the appropriate statements from the list of statements to the answer area and arrange them in the correct order.)
Answer:
Explanation:
http://technet.microsoft.com/en-us/library/bb510625.aspx
QUESTION 96
You use Microsoft SQL Server 2012 to develop a database that has two tables named Div1Cust and Div2Cust. Each table has columns named DivisionID and CustomerId . None of the rows in Div1Cust exist in Div2Cust. You need to write a query that meets the following requirements:
– The rows in Div1Cust must be combined with the rows in Div2Cust.
– The result set must have columns named Division and Customer.
– Duplicates must be retained.
Which three Transact-SQL statements should you use? (To answer, move the appropriate statements from the list of statements to the answer area and arrange them in the correct order.)
Answer:
Explanation:
http://msdn.microsoft.com/en-us/library/ms180026.aspx
http://msdn.microsoft.com/en-us/library/ms188055.aspx
QUESTION 97
You create a view based on the following statement.
You grant the Select permission to User1 for this view. You need to change the view so that it displays only the records that were processed in the month prior to the current month. You need to ensure that after the changes, the view functions correctly for User1. 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:
Explanation:
http://msdn.microsoft.com/en-us/library/hh213020.aspx
http://msdn.microsoft.com/en-us/library/ms186819.aspx
http://msdn.microsoft.com/en-us/library/ms173846.aspx
QUESTION 98
You use Microsoft SQL Server 2012 to develop a database application. You create a table by using the following definition:
CREATE TABLE Prices ( PriceId int IDENTITY(1,1) PRIMARY KEY,
ActualPrice NUMERIC(16,9), PredictedPrice
NUMERIC(16,9))
You need to create a computed column based on a user-defined function named udf_price_index.
You also need to ensure that the column supports an index. Which three 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:
QUESTION 99
You use a Microsoft SQL Server 2012 database. You need to create an indexed view within the database for a report that displays Customer Name and the total revenue for that customer. Which four T-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:
Explanation:
http://msdn.microsoft.com/en-us/library/ms191432.aspx
QUESTION 100
You administer a Microsoft SQL Server 2012 database. You use an OrderDetail table that has the following definition.
You need to create a non-clustered index on the SalesOrderID column in the OrderDetail table to include only rows that contain a value in the SpecialOfferID column. Which four Transact-SQL statements should you use? (To answer, move the appropriate statements from the list of statements to the answer area and arrange them in the correct order.)
Answer:
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:
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.
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 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.
You have an application named App1. 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, END, or DECLARE 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
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. Key Words:
Answer:
SELECT OrderID,
SUM(ExtendedAmount) AS TotalSales
FROM Sales.Details
GROUP BY OrderID
ORDER BY OrderID
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