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Microsoft 70-457 Exam Syllabus Topics:

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 need to implement a computed
column that references a lookup table by using an INNER JOIN against another table.
What should you do?

A) Reference a user-defined function within the computed column.
B) Add a default constraint to the computed column that implements hard-coded values.
C) Add a default constraint to the computed column that implements hard-coded CASE statements.
D) Create a BEFORE trigger that maintains the state of the computed column.

2. You administer a Microsoft SQL Server 2012 server. You plan to deploy new features to an application. You need to evaluate existing and potential clustered and non-clustered indexes that will improve performance. What should you do?

A) Query the sys.dm_db_missing_index_columns DMV.
B) Query the sys.dm_db_index_usage_stats DMV.
C) Query the sys.dm_db_missing_index_details DMV.
D) Use the Database Engine Tuning Advisor.

3. 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:

4. You administer all the deployments of Microsoft SQL Server 2012 in your company. A database contains a large product catalog that is updated periodically. You need to be able to send the entire product catalog to all branch offices on a monthly basis. Which configuration should you use?

A) Two servers configured in the same data center A primary server configured to perform log-shipping every 10 minutes A backup server configured as a warm standby
B) Two servers configured in the same data center SQL Server Availability Group configured in Asynchronous-Commit Availability Mode One server configured as an Active Secondary
C) SQL Server that includes an application database configured to perform snapshot replication
D) Two servers configured in different data centers SQL Server Availability Group configured in Synchronous-Commit Availability Mode
One server configured as an Active Secondary
E) Two servers configured on the same subnet SQL Server Availability Group configured in Synchronous-Commit Availability Mode
F) SQL Server that includes an application database configured to perform transactional replication
G) Two servers configured in a Windows Failover Cluster in the same data center SQL Server configured as a clustered instance
H) Two servers configured in different data centers SQL Server Availability Group configured in Asynchronous-Commit Availability Mode

5. You administer a Microsoft SQL Server 2012 instance named SQL2012 that hosts an OLTP database of 1 terabyte in size. The database is modified by users only from Monday through Friday from 09:00 hours to
17:00 hours. Users modify more than 30 percent of the data in the database during the week. Backups are performed as shown in the following schedule:

The Finance department plans to execute a batch process every Saturday at 09:00 hours. This batch process will take a maximum of 8 hours to complete. The batch process will update three tables that are 10 GB in size. The batch process will update these tables multiple times. When the batch process completes, the Finance department runs a report to find out whether the batch process has completed correctly. You need to ensure that if the Finance department disapproves the batch process, the batch operation can be rolled back in the minimum amount of time. What should you do on Saturday?

A) Record the LSN of the transaction log at 08:59 hours. Perform a transaction log backup at 08:59 hours.
B) Create a marked transaction in the transaction log at 08:59 hours. Perform a transaction log backup at
17:01 hours.
C) Create a database snapshot at 08:59 hours.
D) Perform a differential backup at 08:59 hours.
E) Record the LSN of the transaction log at 08:59 hours. Perform a transaction log backup at 17:01 hours.
F) Create a marked transaction in the transaction log at 08:59 hours. Perform a transaction log backup at
08:59 hours.

Solutions: