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

2. You are a database administrator of a Microsoft SQL Server 2012 environment. The environment contains two servers named SQLServer01 and SQLServer02. The database Contoso exists on SQLServer01. You plan to mirror the Contoso database between SQLServer01 and SQLServer02 by using database mirroring. You need to prepare the Contoso database for database mirroring. Which three actions should you perform in sequence? (To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.)
Build List and Reorder:

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

4. You develop a database for a travel application. You need to design tables and other database objects. You create a view that displays the dates and times of the airline schedules on a report. You need to display dates and times in several international formats. What should you do?

A) Use a user-defined table type.
B) Use the VARBINARY data type.
C) Use the DATETIME data type.
D) Use the TODATETIMEOFFSET function.
E) Use the DATETIME2 data type.
F) Use the DATETIMEOFFSET data type.
G) Use the DATE data type.
H) Use the CAST function.
I) Use the FORMAT function.
J) Use an appropriate collation.

5. You develop a Microsoft SQL Server 2012 database that contains a table named Customers. The Customers table has the following definition:

You need to create an audit record only when either the MobileNumber or HomeNumber column is updated. Which Transact-SQL query should you use?

A) CREATE TRIGGER TrgPhoneNumberChange ON Customers FOR UPDATE AS IF COLUMNS_UPDATED (HomeNumber, MobileNumber)
- - Create Audit Records
B) CREATE TRIGGER TrgPhoneNumberChange ON Customers FOR UPDATE AS IF EXISTS( SELECT HomeNumber FROM inserted) OR EXISTS (SELECT MobileNumber FROM inserted)
- - Create Audit Records
C) CREATE TRIGGER TrgPhoneNumberChange ON Customers FOR UPDATE AS IF COLUMNS_CHANGED (HomeNumber, MobileNumber)
- - Create Audit Records
D) CREATE TRIGGER TrgPhoneNumberChange ON Customers FOR UPDATE AS IF UPDATE (HomeNumber) OR UPDATE (MobileNumber)
- - Create Audit Records

Solutions: