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Microsoft 070-457 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Manage and Maintain Databases | 20-25% | - Manage backups and restores - Implement security principles - Implement high availability features - Configure SQL Server instances - Monitor SQL Server activity |
| Topic 2: Work with Data | 28-33% | - Manage transactions and error handling - Modify data using INSERT, UPDATE, DELETE - Query data using SELECT statements - Apply built-in functions and aggregate functions - Implement subqueries and joins |
| Topic 3: Create Database Objects | 27-32% | - Create stored procedures - Create and alter indexes - Design and implement tables - Create functions and triggers - Create and modify views |
| Topic 4: Troubleshoot and Optimize Queries | 15-20% | - Analyze execution plans - Identify and resolve performance issues - Use query hints and execution plans - Optimize indexes and statistics |
Microsoft Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 1 Sample Questions:
You administer a Microsoft SQL Server 2012 server that has a database named Contoso. The Contoso database has a table named ProductPrices in a schema named Sales. You need to create a script that writes audit events into the application log whenever data in the ProductPrices table is updated. Which four Transact-SQL statements should you use? (To answer, move the appropriate statements from the list of statements to the answer area and arrange them in the correct order.)
Build List and Reorder:
Correct Answer:
Explanation:
--Burgos - YES (but with different's blocks of commands) Reference: http://msdn.microsoft.com/en-us/library/cc280386.aspx Reference: http://msdn.microsoft.com/en-us/library/cc280448.aspx Reference: http://msdn.microsoft.com/en-us/library/cc280404.aspx
You create a view based on the following statement:
You grant the Select permission to User1 for this view. You need to change the view so that it displays only the records that were processed in the month prior to the current month. You need to ensure that after the changes, the view functions correctly for User1. 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:
Correct Answer:
Explanation:
--Burgos - NO
Reference: http://msdn.microsoft.com/en-us/library/hh213020.aspx Reference: http://msdn.microsoft.com/en-us/library/ms186819.aspx Reference: http://msdn.microsoft.com/en-us/library/ms173846.aspx
HOTSPOT You administer a Microsoft SQL Server 2012 database. The database contains a table that has the following definition: You want to export data from the table to a flat file by using the SQL Server Import and Export Wizard. You need to ensure that the following requirements are met:
The first row of the file contains the first row of data.
Each record is of the same length.
The date follows the U.S. date format.
The file supports international characters.
What should you do? (To answer, simply select the option or options in the answer area that you would configure.)
Hot Area:
Correct Answer:
Explanation:
--Burgos - NO
Reference: http://msdn.microsoft.com/en-us/library/ms178804.aspx Reference: http://msdn.microsoft.com/en-us/library/ms187828.aspx
You develop a Microsoft SQL Server 2012 database. You need to create a batch process that meets the following requirements:
Returns a result set based on supplied parameters.
Enables the returned result set to perform a join with a table.
Which object should you use?
- A. Inline user-defined function
- B. Stored procedure
- C. Scalar user-defined function
- D. Table-valued user-defined function
Correct Answer: D 🗳️
Explanation: Only visible for PassCollection members. You can sign-up / login (it's free).
You use Microsoft SQL Server 2012 to develop a database application. You create a stored procedure named dbo.ModifyData that can modify rows. You need to ensure that when the transaction fails, dbo. ModifyData meets the following requirements:
Does not return an error
Closes all opened transactions
Which Transact-SQL statement should you use?
- A. BEGIN TRANSACTION
BEGIN TRY
EXEC dbo.ModifyData
COMMIT TRANSACTION
END TRY
BEGIN CATCH
IF @@ERROR != 0
ROLLBACK TRANSACTION;
THROW;
END CATCH - B. BEGIN TRANSACTION
BEGIN TRY
EXEC dbo.ModifyData
COMMIT TRANSACTION
END TRY
BEGIN CATCH
IF @@TRANCOUNT = 0
ROLLBACK TRANSACTION;
THROW;
END CATCH - C. BEGIN TRANSACTION
BEGIN TRY
EXEC dbo.ModifyData
COMMIT TRANSACTION
END TRY
BEGIN CATCH
IF @@ERROR != 0
ROLLBACK TRANSACTION;
END CATCH - D. BEGIN TRANSACTION
BEGIN TRY
EXEC dbo.ModifyData
COMMIT TRANSACTION
END TRY
BEGIN CATCH
IF @@ TRANCOUNT = 0
ROLLBACK TRANSACTION;
END CATCH
Correct Answer: C 🗳️
Explanation: Only visible for PassCollection members. You can sign-up / login (it's free).
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