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Microsoft 70-457 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Create Database Objects | 27-32% | - Create and modify views - Create and alter indexes - Design and implement tables - Create functions and triggers - Create stored procedures |
| Topic 2: Work with Data | 28-33% | - Manage transactions and error handling - Apply built-in functions and aggregate functions - Implement subqueries and joins - Modify data using INSERT, UPDATE, DELETE - Query data using SELECT statements |
| Topic 3: Troubleshoot and Optimize Queries | 15-20% | - Use query hints and execution plans - Optimize indexes and statistics - Analyze execution plans - Identify and resolve performance issues |
| Topic 4: Manage and Maintain Databases | 20-25% | - Manage backups and restores - Implement security principles - Configure SQL Server instances - Monitor SQL Server activity - Implement high availability features |
Microsoft Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 1 Sample Questions:
You administer a Microsoft SQL Server 2012 clustered instance that has two nodes named Node 1 and Node 2. Node 1 fails and the cluster fails over to Node 2. You need to replace Node 1 and add it to the cluster. Which four 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:
Correct Answer:
Explanation:
--Burgos - YES
Reference: http://technet.microsoft.com/en-us/library/ms181075.aspx
You develop a Microsoft SQL Server 2012 database that contains a heap named OrdersHistoncal. You write the following Transact-SQL query:
INSERT INTO OrdersHistorical SELECT * FROM CompletedOrders
You need to optimize transaction logging and locking for the statement. Which table hint should you use?
- A. HOLDLOCK
- B. XLOCK
- C. TABLOCK
- D. ROWLOCK
- E. UPDLOCK
Correct Answer: C 🗳️
Explanation: Only visible for Lead2PassExam members. You can sign-up / login (it's free).
You administer a Microsoft SQL Server 2012 database named ContosoDb. Tables are defined as shown in the exhibit. (Click the Exhibit button.)
You need to display rows from the Orders table for the Customers row having the CustomerId value set to 1 in the following XML format.
Which Transact-SQL query should you use?
- A. SELECT OrderId, OrderDate, Amount, Name, Country FROM Orders INNER JOIN Customers ON Orders.CustomerId = Customers. CustomerId WHERE Customers.CustomerId = 1 FOR XML RAW
- B. SELECT Name AS 'Customers/Name', Country AS 'Customers/Country', OrderId, OrderDate, Amount FROM Orders INNER JOIN Customers ON Orders.CustomerId = Customers. CustomerId WHERE Customers.CustomerId = 1 FOR XML PATH ('Customers')
- C. SELECT OrderId, OrderDate, Amount, Name, Country FROM Orders INNER JOIN Customers ON Orders.CustomerId = Customers. CustomerId WHERE Customers.CustomerId = 1 FOR XML RAW, ELEMENTS
- D. SELECT Name, Country, OrderId, OrderDate, Amount FROM Orders INNER JOIN Customers ON Orders.CustomerId = Customers.
CustomerId
WHERE Customers.CustomerId = 1
FOR XML AUTO - E. SELECT OrderId, OrderDate, Amount, Name, Country FROM Orders INNER JOIN Customers ON Orders.CustomerId = Customers. CustomerId WHERE Customers.CustomerId = 1 FOR XML AUTO
- F. SELECT OrderId, OrderDate, Amount, Name, Country FROM Orders INNER JOIN Customers ON Orders.CustomerId = Customers. CustomerId WHERE Customers.CustomerId = 1 FOR XML AUTO, ELEMENTS
- G. SELECT Name, Country, OrderId, OrderDate, Amount FROM Orders INNER JOIN Customers ON Orders.CustomerId = Customers. CustomerId WHERE Customers.CustomerId = 1 FOR XML AUTO, ELEMENTS
- H. SELECT Name AS '@Name', Country AS '@Country', OrderId, OrderDate, Amount FROM Orders INNER JOIN Customers ON Orders.CustomerId = Customers. CustomerId WHERE Customers.CustomerId = 1 FOR XML PATH ('Customers')
Correct Answer: F 🗳️
Explanation: Only visible for Lead2PassExam members. You can sign-up / login (it's free).
You have a view that was created by using the following code:
You need to create an inline table-valued function named Sales.fn_OrdersByTerritory, which must meet the following requirements:
Accept the @T integer parameter.
Use one-part names to reference columns.
Filter the query results by SalesTerritoryID.
Return the columns in the same order as the order used in OrdersByTerritoryView.
Which code segment should you use?
To answer, type the correct code in the answer area.
- A. CREATE FUNCTION Sales.fn_OrdersByTerritory (@T int) RETURNS TABLE AS RETURN ( SELECT OrderID,OrderDate,SalesTerrirotyID,TotalDue FROM Sales.OrdersByTerritory WHERE SalesTerritoryID = @T )
Correct Answer: A 🗳️
--Burgos -NO
CREATE FUNCTION Sales.fn_OrdersByTerritory (@T int) RETURNS TABLE AS RETURN (
SELECT OrderID,OrderDate,SalesTerrirotyID,TotalDue
FROM Sales.OrdersByTerritory
WHERE SalesTerritoryID = @T
)
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. UNPIVOT
- B. PIVOT
- C. CROSS APPLY
- D. CROSS JOIN
Correct Answer: C 🗳️
Explanation: Only visible for Lead2PassExam members. You can sign-up / login (it's free).
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