Microsoft Querying Microsoft SQL Server 2012 Set 1

Question - 15 Maximum mark : - 27

Home
All Exams
Microsoft Querying Microsoft SQL Server 2012 Online Practice Exams
Microsoft Querying Microsoft SQL Server 2012 Set 1

You develop a Microsoft SQL Server database. You need to create a batch process that meets the following requirements: Returns a result set based on supplied parameters. Enables the returned result set to perform a join with a table. Which object should you use?

Inline user-defined function ✘ Stored procedure ✘ Table-valued user-defined function ✘ Scalar user-defined function ✔

Answer & Solution Discuss in Board Save for Later

Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

You develop a Microsoft SQL Server database. You need to create and call a stored procedure that meets the following requirements: Accepts a single input parameter for CustomerID. Returns a single integer to the calling application. Which Transact-SQL statement or statements should you use? (Each correct answer presents part of the solution. Choose all that apply.)

CREATE PROCEDURE dbo.GetCustomerRating @CustomerID INT, @CustomerRating INT OUTPUT AS SET NOCOUNT ON SELECT @CustomerRating = CustomerOrders/CustomerValue FROM Customers WHERE CustomerID = @CustomerID RETURN GO EXECUTE dbo.GetCustomerRating 1745 DECLARE @CustomerRatingByCustomer INTDECLARE @Result INT EXECUTE @Result = dbo.GetCustomerRating 1745, @CustomerRatingByCustomer CREATE PROCEDURE dbo.GetCustomerRating@CustomerID INT, @CustomerRating INT OUTPUT AS SET NOCOUNT ON SELECT @Result = CustomerOrders/CustomerValue FROM Customers WHERE CustomerID = @CustomerID RETURN @Result GO DECLARE @CustomerRatingByCustomer INTEXECUTE dbo.GetCustomerRating @CustomerID = 1745, @CustomerRating = @CustomerRatingByCustomer OUTPUT

Answer & Solution Discuss in Board Save for Later

Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

You develop a Microsoft SQL Server database that contains a heap named OrdersHistorical. You write the following Transact-SQL query:

INSERT INTO OrdersHistorical
SELECT * FROM CompletedOrders

You need to optimize transaction logging and locking for the statement. Which table hint should you use?

HOLDLOCK ✘ ROWLOCK ✘ XLOCK ✘ UPDLOCK ✔ TABLOCK ✔

Answer & Solution Discuss in Board Save for Later

Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Your database contains a table named Purchases. The table includes a DATETIME column named PurchaseTime that stores the date and time each purchase is made. There is a non-clustered index on the PurchaseTime column. The business team wants a report that displays the total number of purchases made on the current day. You need to write a query that will return the correct results in the most efficient manner. Which Transact-SQL query should you use?

SELECT COUNT(*) FROM Purchases
WHERE PurchaseTime = CONVERT(DATE, GETDATE())

✘

SELECT COUNT(*)FROM Purchases
WHERE PurchaseTime = GETDATE()

✘

SELECT COUNT(*)FROM Purchases
WHERE CONVERT(VARCHAR, PurchaseTime, 112) = CONVERT(VARCHAR, GETDATE(),
112)

✘

SELECT COUNT(*)FROM Purchases
WHERE PurchaseTime >= CONVERT(DATE, GETDATE())
AND PurchaseTime < DATEADD(DAY, 1, CONVERT(DATE, GETDATE()))

✔

Answer & Solution Discuss in Board Save for Later

Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

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

CREATE TABLE Customer
( SourceID int NOT NULL IDENTITY,
CustomerID int NOT NULL IDENTITY,
CustomerName varchar(255) NOT NULL );

✘

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

✘

CREATE TABLE Customer(
SourceID int NOT NULL PRIMARY KEY CLUSTERED, CustomerID int NOT NULL UNIQUE, CustomerName varchar(255) NOT NULL );

✘

CREATE TABLE Customer(
SourceID int NOT NULL, CustomerID int NOT NULL, CustomerName varchar(255) NOT NULL,
CONSTRAINT PK_Customer PRIMARY KEY CLUSTERED
(SourceID, CustomerID) );

✔

CREATE TABLE Customer(
SourceID int NOT NULL UNIQUE,
CustomerID int NOT NULL UNIQUE,
CustomerName varchar(255) NOT NULL );

✔

Answer & Solution Discuss in Board Save for Later

Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

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?

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

Answer & Solution Discuss in Board Save for Later

Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

You develop a Microsoft SQL Server 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?

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

✘

CREATE TRIGGER TrgVwEmployeeON 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

✘

CREATE TRIGGER TrgVwEmployeeON 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

✘ CREATE TRIGGER TrgVwEmployeeON 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 & Solution Discuss in Board Save for Later

Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

You develop a Microsoft SQL Server 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?

CREATE TRIGGER TrgPriceChange
ON Products FOR UPDATE
AS IF COLUMNS_CHANGED(RetailPrice, WholesalePrice) - - Create Audit Records

✘

CREATE TRIGGER TrgPriceChangeON Products FOR UPDATE AS IF EXISTS(SELECT RetailPrice from inserted) OR
EXISTS(SELECT WholeSalePrice FROM inserted) - - Create Audit Records

✘

CREATE TRIGGER TrgPriceChangeON Products FOR UPDATE AS IF COLUMNS_UPDATED(RetailPrice, WholesalePrice) - - Create Audit Records

✘

CREATE TRIGGER TrgPriceChangeON Products FOR UPDATE
AS IF UPDATE(RetailPrice) OR UPDATE(WholeSalePrice) - - Create Audit Records

✔

Answer & Solution Discuss in Board Save for Later

Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

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?

SELECT Territory, Year, Profit,
LEAD(Profit, 1, 0) OVER (PARTITION BY Territory ORDER BY Year) AS PreviousYearProfit FROM Profits

✘

SELECT Territory, Year, Profit,LAG(Profit, 1, 0) OVER (PARTITION BY Year ORDER BY Territory) AS PreviousYearProfit FROM Profits

✘

SELECT Territory, Year, Profit,LAG(Profit, 1, 0) OVER (PARTITION BY Territory ORDER BY Year) AS PreviousYearProfit
FROM Profits

✘

SELECT Territory, Year, Profit,LEAD(Profit, 1, 0) OVER (PARTITION BY Year ORDER BY Territory) AS PreviousYearProfit FROM Profits

✔

Answer & Solution Discuss in Board Save for Later

Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

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?

CROSS JOIN ✘ CROSS APPLY ✘ PIVOT ✘ UNPIVOT ✔

Answer & Solution Discuss in Board Save for Later

Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Prev Next

Congratulations

you have successfully completed the test

Back to Question View Result

Detail Form

We will send your result on your email id and phone no. please fill detail

Name

Email ID Note: Report will be send to the above Email ID

Phone No

Microsoft Querying Microsoft SQL Server 2012 Set 1

Answer & Solution

Answer: Option B

Solution:

Answer & Solution

Answer: Option B

Solution:

Answer & Solution

Answer: Option B

Solution:

Answer & Solution

Answer: Option B

Solution:

Answer & Solution

Answer: Option B

Solution:

Answer & Solution

Answer: Option B

Solution:

Answer & Solution

Answer: Option B

Solution:

Answer & Solution

Answer: Option B

Solution:

Answer & Solution

Answer: Option B

Solution:

Answer & Solution

Answer: Option B

Solution:

Congratulations

COMPANY

Products

OTHERS

Partner