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Microsoft 070-457 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Manage and Maintain Databases | 20-25% | - Implement high availability features - Implement security principles - Monitor SQL Server activity - Configure SQL Server instances - Manage backups and restores |
| Topic 2: Troubleshoot and Optimize Queries | 15-20% | - Analyze execution plans - Use query hints and execution plans - Identify and resolve performance issues - Optimize indexes and statistics |
| Topic 3: Create Database Objects | 27-32% | - Create functions and triggers - Create and alter indexes - Create stored procedures - Design and implement tables - Create and modify views |
| Topic 4: Work with Data | 28-33% | - Implement subqueries and joins - Query data using SELECT statements - Modify data using INSERT, UPDATE, DELETE - Manage transactions and error handling - 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 use Microsoft SQL Server 2012 to create a stored procedure as shown in the following code segment. (Line numbers are included for reference only.)
The procedure can be called within other transactions. You need to ensure that when the DELETE statement from the HumanResourcesJobCandidate table succeeds, the modification is retained even if the insert into the Audit.Log table fails. Which code segment should you add to line 14?
- A. IF @@TRANCOUNT = 0
- B. IF @@TRANCOUNT = 1
- C. IF (XACT_STATE ( ) ) = 0
- D. IF (XACT_STATE ( ) ) = 1
Explanation: Only visible for TestPassed members. You can sign-up / login (it's free).
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:
Explanation:
Verified answer as correct.
Reference: http://msdn.microsoft.com/en-us/library/ms187956.aspx
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 CustomerIdvalue set to 1 in the following XML format.
Which Transact-SQL query should you use?
- A. 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')
- B. SELECT OrderId, OrderDate, Amount, Name, Country FROM Orders INNER JOIN Customers ON Orders.CustomerId = Customers. CustomerId WHERE Customers.CustomerId = 1 FOR XML RAW
- 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 OrderId, OrderDate, Amount, Name, Country FROM Orders INNER JOIN Customers ON Orders.CustomerId = Customers. CustomerId WHERE Customers.CustomerId = 1 FOR XML AUTO
- E. SELECT Name, Country, OrderId, OrderDate, Amount FROM Orders INNER JOIN Customers ON Orders.CustomerId = Customers. CustomerId WHERE Customers.CustomerId = 1 FOR XML AUTO, ELEMENTS
- 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 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')
- H. SELECT Name, Country, OrderId, OrderDate, Amount FROM Orders INNER JOIN Customers ON Orders.CustomerId = Customers. CustomerId WHERE Customers.CustomerId = 1 FOR XML AUTO
Explanation: Only visible for TestPassed members. You can sign-up / login (it's free).
You create the following stored procedure. (Line numbers are included for reference only.)
You need to ensure that the stored procedure performs the following tasks: If a record exists, update the record. If no record exists, insert a new record.
Which four Transact-SQL statements should you insert at line 07? (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:
Explanation:
--Burgos - NO
Reference: http://technet.microsoft.com/en-us/library/bb510625.aspx
You administer a Microsoft SQL Server 2012 instance that contains a financial database hosted on a storage area network (SAN). The financial database has the following characteristics:
A data file of 2 terabytes is located on a dedicated LUN (drive D).
A transaction log of 10 GB is located on a dedicated LUN (drive E).
Drive D has 1 terabyte of free disk space.
Drive E has 5 GB of free disk space.
The database is continually modified by users during business hours from Monday through Friday between
09:00
hours and 17:00 hours. Five percent of the existing data is modified each day. The Finance department loads large CSV files into a number of tables each business day at 11:15 hours and 15:15 hours by using the BCP or BULK INSERT commands. Each data load adds 3 GB of data to the database. These data load operations must occur in the minimum amount of time. A full database backup is performed every Sunday at 10:00 hours. Backup operations will be performed every two hours (11:00, 13:00, 15:00, and 17:00) during business hours. You need to ensure that the minimum amount of data is lost. Which recovery model should the database use?
- A. Transaction log
- B. SKIP
- C. CONTINUE_AFTER_ERROR
- D. Differential
- E. FULL
- F. NO_CHECKSUM
- G. RESTART
- H. DBO_ONLY
- I. SIMPLE
- J. COPY_ONLY
- K. NORECOVERY
- L. CHECKSUM
- M. BULK_LOGGED
- N. STANDBY
Explanation: Only visible for TestPassed members. You can sign-up / login (it's free).
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