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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 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. You need to ensure that your backup will continue if any invalid checksum is encountered. Which backup option should you use?

A. CONTINUE_AFTER_ERROR
B. BULK_LOGGED
C. SKIP
D. CHECKSUM
E. STANDBY
F. SIMPLE
G. FULL
H. COPY_ONLY
I. RESTART
J. Differential
K. Transaction log
L. NORECOVERY
M. NO_CHECKSUM
N. DBO_ONLY

Question 2

You have 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 include customers who have not placed any orders.
Which Transact-SQL query should you use?

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

Question 3

You use a contained database named ContosoDb within a domain. You need to create a user who can log on to the ContosoDb database. You also need to ensure that you can port the database to different database servers within the domain without additional user account configurations. Which type of user should you create?

A. User mapped to a certificate
B. Domain user
C. SQL user with login
D. SQL user without login

Question 4

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

Question 5

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.)
Build List and Reorder:

Solutions: