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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:

1. You develop a Microsoft SQL Server 2012 database that contains a heap named OrdersHistoncal. 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?

A) HOLDLOCK
B) ROWLOCK
C) TABLOCK
D) XLOCK
E) UPDLOCK

2. You develop a Microsoft SQL Server 2012 database that contains tables named Customers and Orders. The tables are related by a column named CustomerId . You need to create a query that meets the following requirements:
Returns the CustomerName for all customers and the OrderDate for any orders that they have placed.
Results must not include customers who have not placed any orders. Which Transact-SQL query should you use?

A) SELECT CustomerName, OrderDate FROM Customers JOIN Orders ON Customers.CustomerId = Orders.CustomerId
B) SELECT CustomerName, OrderDate FROM Customers LEFT OUTER JOIN Orders ON Customers.CuscomerlD = Orders.CustomerId
C) SELECT CustomerName, OrderDate FROM Customers CROSS JOIN Orders ON Customers.CustomerId = Orders.CustomerId
D) SELECT CustomerName, OrderDate FROM Customers RIGHT OUTER JOIN Orders ON Customers.CustomerID = Orders.CustomerId

3. 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 preceding year. Which Transact-SQL query should you use?

A) SELECT Territory, Year, Profit,
LEAD(Profit, 1, 0) OVER (PARTITION BY Territory ORDER BY Year) AS
NextProfit
FROM Profits
B) SELECT Territory, Year, Profit,
LEAD(Profit, 1, 0) OVER (PARTITION BY Year ORDER BY Territory) AS
NextProfit
FROM Profits
C) SELECT Territory, Year, Profit,
LAG(Profit, 1, 0) OVER (PARTITION BY Year ORDER BY Territory) AS
NextProfit
FROM Profits
D) SELECT Territory, Year, Profit, LAG(Profit, 1, 0) OVER (PARTITION BY Territory ORDER BY Year) AS
NextProfit
FROM Profits

4. 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.)
Build List and Reorder:

5. You administer a Microsoft SQL Server 2012 instance that contains a financial database hosted on a storage area network (SAN). The financial database has the following characteristics:
A data file of 2 terabytes is located on a dedicated LUN (drive D).
A transaction log of 10 GB is located on a dedicated LUN (drive E).
Drive D has 1 terabyte of free disk space.
Drive E has 5 GB of free disk space.
The database is continually modified by users during business hours from Monday through Friday between
09:00
hours and 17:00 hours. Five percent of the existing data is modified each day. The Finance department loads large CSV files into a number of tables each business day at 11:15 hours and 15:15 hours by using the BCP or BULK INSERT commands. Each data load adds 3 GB of data to the database. These data load operations must occur in the minimum amount of time. A full database backup is performed every Sunday at 10:00 hours. Backup operations will be performed every two hours (11:00, 13:00, 15:00, and 17:00) during business hours. On Wednesday at 10:00 hours, the development team requests you to refresh the database on a development server by using the most recent version. You need to perform a full database backup that will be restored on the development server. Which backup option should you use?

A) 8ULK_LOGGED
B) NO_CHECKSUM
C) SIMPLE
D) SKIP
E) CHECKSUM
F) Transaction log
G) NORECOVERY
H) FULL
I) DBO ONLY
J) RESTART
K) Differential
L) CONTINUE AFTER ERROR
M) STANDBY
N) COPY_ONLY

Solutions: