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Microsoft 070-457 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Manage and Maintain Databases | 20-25% | - Implement security principles - Monitor SQL Server activity - Implement high availability features - Configure SQL Server instances - Manage backups and restores |
| Topic 2: Work with Data | 28-33% | - Apply built-in functions and aggregate functions - Modify data using INSERT, UPDATE, DELETE - Implement subqueries and joins - Manage transactions and error handling - Query data using SELECT statements |
| Topic 3: Troubleshoot and Optimize Queries | 15-20% | - Optimize indexes and statistics - Analyze execution plans - Use query hints and execution plans - Identify and resolve performance issues |
| Topic 4: Create Database Objects | 27-32% | - Create stored procedures - Create and alter indexes - Create functions and triggers - Design and implement tables - Create and modify views |
Microsoft Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 1 Sample Questions:
1. 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 Orders ADD CONSTRAINT CK_Orders_CustomerID CHECK (CustomerID IN (SELECT CustomerId FROM Customer))
B) ALTER TABLE Orders ADD CONSTRAINT FK_Orders_CustomerID FOREIGN KEY (CustomerID) REFERENCES Customer (CustomerID)
C) ALTER TABLE Customer ADD CONSTRAINT FK_Customer_CustomerID FOREIGN KEY (CustomerID) REFERENCES
Orders (CustomerID)
D) ALTER TABLE Orders ADD CONSTRAINT PK_Orders_CustomerID PRIMARY KEY (CustomerID)
E) ALTER TABLE Customer ADD OrderID INT NOT NULL;
ALTER TABLE Customer ADD CONSTRAINT FK_Customer_OrderID FOREIGN KEY (OrderID) REFERENCES Orders (OrderID);
2. You administer a Microsoft SQL Server 2012 database. Your database is experiencing deadlock issues. You need to be able to monitor deadlocks. 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 use Microsoft SQL Server 2012 to develop a database application. You need to create an object that meets the following requirements:
Takes an input variable
Returns a table of values
Cannot be referenced within a view
Which object should you use?
A) Scalar-valued function
B) Inline function
C) User-defined data type
D) Stored procedure
4. You administer a Microsoft SQL Server 2012 database. Users report that an application that accesses the database displays an error, but the error does not provide meaningful information. No entries are found in the SQL Server log or Windows event logs related to the error. You need to identify the root cause of the issue by retrieving the error message. What should you do?
A) Flag all stored procedures for recompilation by using sp_recompile.
B) Execute sp_who.
C) Create a SQL Profiler session to capture all ErrorLog and EventLog events.
D) Create an Extended Events session by using the sqlserver.error_reported event.
5. You use Microsoft SQL Server 2012 database to develop a shopping cart application. You need to invoke a table-valued function for each row returned by a query. Which Transact-SQL operator should you use?
A) CROSS APPLY
B) UNPIVOT
C) CROSS JOIN
D) PIVOT
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: Only visible for members | Question # 3 Answer: D | Question # 4 Answer: D | Question # 5 Answer: A |
