Exam Code: 70-457
Exam Name: Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 1
Certification Provider: Microsoft
Corresponding Certification: MCSA
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Microsoft 70-457 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Troubleshoot and Optimize Queries15-20%- Analyze execution plans
- Identify and resolve performance issues
- Optimize indexes and statistics
- Use query hints and execution plans
Topic 2: Create Database Objects27-32%- Create functions and triggers
- Create and alter indexes
- Create stored procedures
- Design and implement tables
- Create and modify views
Topic 3: Work with Data28-33%- Modify data using INSERT, UPDATE, DELETE
- Query data using SELECT statements
- Implement subqueries and joins
- Apply built-in functions and aggregate functions
- Manage transactions and error handling
Topic 4: Manage and Maintain Databases20-25%- Manage backups and restores
- Implement security principles
- Implement high availability features
- Configure SQL Server instances
- Monitor SQL Server activity

Microsoft Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 1 Sample Questions:

You administer three Microsoft SQL Server 2012 servers named ServerA, ServerB, and ServerC. ServerA is the acting principal and ServerB is the mirror. You need to add ServerC as a witness to the existing mirroring session between ServerA and ServerB. You need to achieve this goal without delaying synchronization. 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:

Reveal Solution  Discussion  0

Correct Answer:


Explanation:
--Burgos - NO Verified answer as correct. Reference: http://msdn.microsoft.com/en-us/library/ms190430.aspx

You are a database developer of a Microsoft SQL Server 2012 database. The database contains a table named Customers that has the following definition:

You need to ensure that the CustomerId column in the Orders table contains only values that exist in the CustomerId column of the Customer table. Which Transact-SQL statement should you use?

  • A. ALTER TABLE Customer ADD OrderID INT NOT NULL;
    ALTER TABLE Customer ADD CONSTRAINT FK_Customer_OrderID FOREIGN KEY (OrderID) REFERENCES Orders (OrderID);
  • B. ALTER TABLE Orders ADD CONSTRAINT PK_Orders_CustomerID PRIMARY KEY (CustomerID)
  • C. ALTER TABLE Orders ADD CONSTRAINT CK_Orders_CustomerID CHECK (CustomerID IN (SELECT CustomerId FROM Customer))
  • D. ALTER TABLE Orders ADD CONSTRAINT FK_Orders_CustomerID FOREIGN KEY (CustomerID) REFERENCES Customer (CustomerID)
  • E. ALTER TABLE Customer ADD CONSTRAINT FK_Customer_CustomerID FOREIGN KEY (CustomerID) REFERENCES
    Orders (CustomerID)
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Explanation: Only visible for ExamBoosts members. You can sign-up / login (it's free).

Your application contains a stored procedure for each country. Each stored procedure accepts an employee identification number through the @EmpID parameter. You plan to build a single process for each employee that will execute the stored procedure based on the country of residence. Which approach should you use?

  • A. The foreach SQLCLR statement
  • B. An UPDATE statement that includes CASE
  • C. a recursive stored procedure
  • D. Trigger
  • E. Cursor
Reveal Solution  Discussion  0

Correct Answer: E  🗳️

Explanation: Only visible for ExamBoosts members. You can sign-up / login (it's free).

You use Microsoft SQL Server 2012 to develop a database application. You create two tables by using the following table definitions.

Which six 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:

Reveal Solution  Discussion  0

Correct Answer:


Explanation:
--Burgos - NO

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:

Reveal Solution  Discussion  0

Correct Answer:


Explanation:
Verified answer as correct.
Reference: http://msdn.microsoft.com/en-us/library/ms187956.aspx

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