Microsoft MCSA 070-457

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Microsoft 070-457 Exam Syllabus Topics:

Microsoft Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 1 Sample Questions:

Question #1
You have a database that contains the tables as shown below:

You have a stored procedure named Procedure1. Procedure1 retrieves all order ids after a specific date. The rows for Procedure1 are not sorted. Procedure1 has a single parameter named Parameter1. Parameter1 uses the varchar type and is configured to pass the specific date to Procedure1. A database administrator discovers that OrderDate is not being compared correctly to Parameter1 after the data type of the column is changed to datetime. You need to update the SELECT statement to meet the following requirements:
The code must NOT use aliases.
The code must NOT use object delimiters.
The objects called in Procedure1 must be able to be resolved by all users.
OrderDate must be compared to Parameter1 after the data type of Parameter1 is changed to datetime.
Which SELECT statement should you use?
To answer, type the correct code in the answer area.

A. SELECT Orders.OrderID FROM Orders WHERE Orders.OrderDate>CONVERT(datetime,@Parameter1)
B. SELECT OrderID FROM Orders WHERE OrderDate>CONVERT(datetime,@Parameter1)

Question #2
You are developing a database application by using Microsoft SQL Server 2012. You have a query that runs slower than expected. You need to capture execution plans that will include detailed information on missing indexes recommended by the query optimizer. What should you do?

A. Include a SET STATISTICS PROFILE ON statement before you run the query.
B. Include a SET TRANSACTION ISOLATION LEVEL SNAPSHOT statement before you run the query.
C. Include a SET FORCEPLAN ON statement before you run the query.
D. Add a HASH hint to the query.
E. Include a SET STATISTICS SHOWPLAN_XML ON statement before you run the query.
F. Add a FORCESEEK hint to the query.
G. Include a SET TRANSACTION ISOLATION LEVEL REPEATABLE READ statement before you run the query.
H. Add a columnstore index to cover the query.
I. Add a LOOP hint to the query.
J. Enable the optimize for ad hoc workloads option.
K. Include a SET TRANSACTION ISOLATION LEVEL SERIALIZABLE statement before you run the query.
L. Add an INCLUDE clause to the index.
M. Cover the unique clustered index with a columnstore index.
N. Add a FORCESCAN hint to the Attach query.

Question #3
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.)
Build List and Reorder:

Question #4
You use Microsoft SQL Server 2012 to develop a database application. You create a stored procedure named DeleteJobCandidate. You need to ensure that if DeleteJobCandidate encounters an error, the execution of the stored procedure reports the error number. Which Transact-SQL statement should you use?

A. DECLARE @ErrorVar INT; DECLARE @RowCountVar INT;
EXEC DeleteJobCandidate
SELECT @ErrorVar = ERROR_STATE(), @RowCountVar = @@ROWCOUNT;
IF (@ErrorVar <> 0)
PRINT N'Error = ' + CAST(ERRORSTATE() AS NVARCHAR(8)) +
N', Rows Deleted = ' + CAST(@@RowCountVar AS NVARCHAR(8));
GO
B. DECLARE @ErrorVar INT; DECLARE @RowCountVar INT;
EXEC DeleteJobCandidate
SELECT @ErrorVar = @@ERROR, @RowCountVar = @@ROWCOUNT;
IF (@ErrorVar <> 0)
PRINT N'Error = ' + CAST(@@ErrorVar AS NVARCHAR(8)) +
N', Rows Deleted = ' + CAST(@@RowCountVar AS NVARCHAR(8));
GO
C. EXEC DeleteJobCandidate
IF (ERROR_STATE() != 0)
PRINT N'Error = ' + CAST(@@ERROR AS NVARCHAR(8)) +
N', Rows Deleted = ' + CAST(@@ROWCOUNT AS NVARCHAR(8));
GO
D. EXEC DeleteJobCandidate
PRINT N'Error = ' + CAST(@@ERROR AS NVARCHAR(8)) +
N', Rows Deleted = ' + CAST(@@ROWCOUNT AS NVARCHAR(8));
GO

Question #5
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 ROLLUP(SalesPerson.Name, DatePart(yyyy, SaleDate), 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, DatePart(yyyy, SaleDate), City, Country)
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 GROUPING SETS((SalesPerson.Name, Country, City, DatePart(yyyy, SaleDate)), (Country, 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 CUBE(SalesPerson.Name, Country, City, DatePart(yyyy, SaleDate))

Solutions: