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Microsoft 070-457 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Create Database Objects | 27-32% | - Create and alter indexes - Create functions and triggers - Design and implement tables - Create and modify views - Create stored procedures |
| Troubleshoot and Optimize Queries | 15-20% | - Use query hints and execution plans - Optimize indexes and statistics - Identify and resolve performance issues - Analyze execution plans |
| Manage and Maintain Databases | 20-25% | - Implement high availability features - Implement security principles - Manage backups and restores - Configure SQL Server instances - Monitor SQL Server activity |
| Work with Data | 28-33% | - Implement subqueries and joins - Query data using SELECT statements - Manage transactions and error handling - Modify data using INSERT, UPDATE, DELETE - Apply built-in functions and aggregate functions |
Microsoft Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 1 Sample Questions:
You are a database developer at an independent software vendor. You create stored procedures that contain proprietary code. You need to protect the code from being viewed by your customers. Which stored procedure option should you use?
- A. ENCRYPTBYCERT
- B. ENCRYPTBYKEY
- C. ENCRYPTION
- D. ENCRYPTBYPASSPHRASE
Explanation: Only visible for TestPassed members. You can sign-up / login (it's free).
You administer a Microsoft SQL Server 2012 environment that contains a production SQL Server 2005 instance named SQL2005 and a development SQL Server 2012 instance named SQL2012. The development team develops a new application that uses the SQL Server 2012 functionality. You are planning to migrate a database from SQL2005 to SQL2012 so that the development team can test their new application. You need to migrate the database without affecting the production environment. 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:
Explanation:
--Burgos - YES
Reference: http://msdn.microsoft.com/en-us/library/ms177429.aspx
You administer a Microsoft SQL Server 2012 database named Contoso on a server named Server01. You need to be notified immediately when fatal errors occur on Server01. What should you create?
- A. a Policy
- B. an Extended Event session
- C. a Database Audit Specification
- D. an Alert
- E. a Resource Pool
- F. a Server Audit Specification
- G. a SQL Profiler Trace
Explanation: Only visible for TestPassed members. You can sign-up / login (it's free).
You create a table that has the StudentCode, SubjectCode, and Marks columns to record mid-year marks for students. The table has marks obtained by 50 students for various subjects. You need to retrieve the students who scored the highest marks for each subject along with the marks. Which Transact-SQL query should you use?
- A. SELECT StudentCode AS Code, Marks AS Value FROM ( SELECT StudentCode, Marks AS Marks, RANK() OVER(PARTITION BY StudentCode ORDER BY Marks ASC) AS Rank
FROM StudentMarks) tmp
WHERE Rank = 1 - B. SELECT StudentCode as Code, DENSE_RANK() OVER(ORDER BY AVG(Marks) DESC) AS Value FROM StudentMarks GROUP BY StudentCode
- C. SELECT StudentCode as Code, RANK() OVER(ORDER BY AVG(Marks) DESC) AS Value FROM StudentMarks GROUP BY StudentCode
- D. SELECT StudentCode AS Code, Marks AS Value FROM ( SELECT StudentCode, Marks AS Marks, RANK() OVER(PARTITION BY SubjectCode ORDER BY Marks ASC) AS Rank
FROM StudentMarks) tmp
WHERE Rank = 1 - E. SELECT StudentCode AS Code, Marks AS Value FROM ( SELECT StudentCode, Marks AS Marks, RANK() OVER(PARTITION BY SubjectCode ORDER BY Marks DESC) AS Rank
FROM StudentMarks) tmp
WHERE Rank = 1 - F. SELECT StudentCode AS Code, Marks AS Value FROM ( SELECT StudentCode, Marks AS Marks, RANXO OVER(PARTITION BY StudentCode ORDER BY Marks DESC) AS Rank
FROM StudentMarks) tmp
WHERE Rank = 1 - G. SELECT StudentCode as Code, NTILE(2) OVER(ORDER BY AVG(Marks) DESC) AS Value FROM StudentMarks GROUP BY StudentCode
- H. SELECT Id, Name, Marks, DENSE_RANK() OVER(ORDER BY Marks DESC) AS Rank FROM StudentMarks
Explanation: Only visible for TestPassed members. You can sign-up / login (it's free).
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 an appropriate collation.
- B. Use the CAST function.
- C. Use the DATETIME data type.
- D. Use a user-defined table type.
- E. Use the TODATETIMEOFFSET function.
- F. Use the DATETIME2 data type.
- G. Use the DATE data type.
- H. Use the FORMAT function.
- I. Use the DATETIMEOFFSET data type.
- J. Use the VARBINARY data type.
Explanation: Only visible for TestPassed members. You can sign-up / login (it's free).
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