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Microsoft 070-457 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Create Database Objects | 27-32% | - Create and modify views - Create functions and triggers - Create and alter indexes - Create stored procedures - Design and implement tables |
| Topic 2: Troubleshoot and Optimize Queries | 15-20% | - Optimize indexes and statistics - Identify and resolve performance issues - Use query hints and execution plans - Analyze execution plans |
| Topic 3: Work with Data | 28-33% | - Query data using SELECT statements - Manage transactions and error handling - Apply built-in functions and aggregate functions - Modify data using INSERT, UPDATE, DELETE - Implement subqueries and joins |
| Topic 4: Manage and Maintain Databases | 20-25% | - Configure SQL Server instances - Implement security principles - Monitor SQL Server activity - Implement high availability features - Manage backups and restores |
Microsoft Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 1 Sample Questions:
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. User-defined data type
- B. Inline function
- C. Scalar-valued function
- D. Stored procedure
Correct Answer: D 🗳️
Explanation: Only visible for DumpsFree members. You can sign-up / login (it's free).
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. Execute sp_who.
- B. Flag all stored procedures for recompilation by using sp_recompile.
- 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.
Correct Answer: D 🗳️
Explanation: Only visible for DumpsFree members. You can sign-up / login (it's free).
You create a view based on the following statement:
You grant the Select permission to User1 for this view. You need to change the view so that it displays only the records that were processed in the month prior to the current month. You need to ensure that after the changes, the view functions correctly for User1. 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:
Correct Answer:
Explanation:
--Burgos - NO
Reference: http://msdn.microsoft.com/en-us/library/hh213020.aspx Reference: http://msdn.microsoft.com/en-us/library/ms186819.aspx Reference: http://msdn.microsoft.com/en-us/library/ms173846.aspx
You develop a Microsoft SQL Server 2012 database that contains a table named Customers. The Customers table has the following definition:
You need to create an audit record only when either the MobileNumber or HomeNumber column is updated. Which Transact-SQL query should you use?
- A. CREATE TRIGGER TrgPhoneNumberChange ON Customers FOR UPDATE AS IF EXISTS( SELECT HomeNumber FROM inserted) OR EXISTS (SELECT MobileNumber FROM inserted)
- - Create Audit Records - B. CREATE TRIGGER TrgPhoneNumberChange ON Customers FOR UPDATE AS IF UPDATE (HomeNumber) OR UPDATE (MobileNumber)
- - Create Audit Records - C. CREATE TRIGGER TrgPhoneNumberChange ON Customers FOR UPDATE AS IF COLUMNS_CHANGED (HomeNumber, MobileNumber)
- - Create Audit Records - D. CREATE TRIGGER TrgPhoneNumberChange ON Customers FOR UPDATE AS IF COLUMNS_UPDATED (HomeNumber, MobileNumber)
- - Create Audit Records
Correct Answer: B 🗳️
Explanation: Only visible for DumpsFree members. You can sign-up / login (it's free).
HOTSPOT You administer a Microsoft SQL Server 2012 database. The database contains a table that has the following definition: You want to export data from the table to a flat file by using the SQL Server Import and Export Wizard. You need to ensure that the following requirements are met:
The first row of the file contains the first row of data.
Each record is of the same length.
The date follows the U.S. date format.
The file supports international characters.
What should you do? (To answer, simply select the option or options in the answer area that you would configure.)
Hot Area:
Correct Answer:
Explanation:
--Burgos - NO
Reference: http://msdn.microsoft.com/en-us/library/ms178804.aspx Reference: http://msdn.microsoft.com/en-us/library/ms187828.aspx
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