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Microsoft Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 1 Sample Questions:
1. You use Microsoft SQL Server 2012 to develop a database application. You create two tables by using the following table definitions.
Which six 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.)
Build List and Reorder:
2. You create a table that has the StudentCode, SubjectCode, and Marks columns to record mid-year marks for students. The table has marks obtained by 50 students for various subjects. You need to retrieve the students who scored the highest marks for each subject along with the marks. Which Transact-SQL query should you use?
A) SELECT StudentCode AS Code, Marks AS Value FROM ( SELECT StudentCode, Marks AS Marks, RANK() OVER(PARTITION BY SubjectCode ORDER BY Marks DESC) AS Rank
FROM StudentMarks) tmp
WHERE Rank = 1
B) SELECT StudentCode AS Code, Marks AS Value FROM ( SELECT StudentCode, Marks AS Marks, RANXO OVER(PARTITION BY StudentCode ORDER BY Marks DESC) AS Rank
FROM StudentMarks) tmp
WHERE Rank = 1
C) SELECT Id, Name, Marks, DENSE_RANK() OVER(ORDER BY Marks DESC) AS Rank FROM StudentMarks
D) SELECT StudentCode as Code, RANK() OVER(ORDER BY AVG(Marks) DESC) AS Value FROM StudentMarks GROUP BY StudentCode
E) SELECT StudentCode AS Code, Marks AS Value FROM ( SELECT StudentCode, Marks AS Marks, RANK() OVER(PARTITION BY SubjectCode ORDER BY Marks ASC) AS Rank
FROM StudentMarks) tmp
WHERE Rank = 1
F) SELECT StudentCode as Code, DENSE_RANK() OVER(ORDER BY AVG(Marks) DESC) AS Value FROM StudentMarks GROUP BY StudentCode
G) SELECT StudentCode AS Code, Marks AS Value FROM ( SELECT StudentCode, Marks AS Marks, RANK() OVER(PARTITION BY StudentCode ORDER BY Marks ASC) AS Rank
FROM StudentMarks) tmp
WHERE Rank = 1
H) SELECT StudentCode as Code, NTILE(2) OVER(ORDER BY AVG(Marks) DESC) AS Value FROM StudentMarks GROUP BY StudentCode
3. You have a view that was created by using the following code:
You need to create an inline table-valued function named Sales.fn_OrdersByTerritory, which must meet the following requirements:
Accept the @T integer parameter.
Use one-part names to reference columns.
Filter the query results by SalesTerritoryID.
Return the columns in the same order as the order used in OrdersByTerritoryView.
Which code segment should you use?
To answer, type the correct code in the answer area.
A) CREATE FUNCTION Sales.fn_OrdersByTerritory (@T int) RETURNS TABLE AS RETURN ( SELECT OrderID,OrderDate,SalesTerrirotyID,TotalDue FROM Sales.OrdersByTerritory WHERE SalesTerritoryID = @T )
4. You administer two Microsoft SQL Server 2012 servers. Each server resides in a different, untrusted domain. You plan to configure database mirroring. You need to be able to create database mirroring endpoints on both servers. What should you do?
A) Use a server certificate.
B) Configure the SQL Server service account to use Local System.
C) Use a database certificate.
D) Configure the SQL Server service account to use Network Service.
5. You are developing a database application by using Microsoft SQL Server 2012. An application that uses a database begins to run slowly. You discover that during reads, the transaction experiences blocking from concurrent updates. You need to ensure that throughout the transaction the data maintains the original version. What should you do?
A) Add a FORCESEEK hint to the query.
B) Add an INCLUDE clause to the index.
C) Include a SET STATISTICS PROFILE ON statement before you run the query.
D) Enable the optimize for ad hoc workloads option.
E) Include a SET TRANSACTION ISOLATION LEVEL SERIALIZABLE statement before you run the query.
F) Include a SET TRANSACTION ISOLATION LEVEL SNAPSHOT statement before you run the query.
G) Add a HASH hint to the query.
H) Cover the unique clustered index with a columnstore index.
I) Include a SET FORCEPLAN ON statement before you run the query.
J) Add a FORCESCAN hint to the Attach query.
K) Add a LOOP hint to the query.
L) Add a columnstore index to cover the query.
M) Include a SET STATISTICS SHOWPLAN_XML ON statement before you run the query.
N) Include a SET TRANSACTION ISOLATION LEVEL REPEATABLE READ statement before you run the query.
Solutions:
| Question # 1 Answer: Only visible for members | Question # 2 Answer: A | Question # 3 Answer: A | Question # 4 Answer: A | Question # 5 Answer: F |
