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Microsoft 70-457 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Create Database Objects	27-32%	- Create stored procedures - Create functions and triggers - Design and implement tables - Create and modify views - Create and alter indexes
Topic 2: Troubleshoot and Optimize Queries	15-20%	- Use query hints and execution plans - Identify and resolve performance issues - Optimize indexes and statistics - Analyze execution plans
Topic 3: Work with Data	28-33%	- Apply built-in functions and aggregate functions - Query data using SELECT statements - Manage transactions and error handling - Modify data using INSERT, UPDATE, DELETE - Implement subqueries and joins
Topic 4: Manage and Maintain Databases	20-25%	- Implement security principles - Implement high availability features - Monitor SQL Server activity - Manage backups and restores - Configure SQL Server instances

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

Question 1

You develop a Microsoft SQL Server 2012 database that contains tables named Customers and Orders. The tables are related by a column named CustomerId . You need to create a query that meets the following requirements:
Returns the CustomerName for all customers and the OrderDate for any orders that they have placed.
Results must not include customers who have not placed any orders. Which Transact-SQL query should you use?

A. SELECT CustomerName, OrderDate FROM Customers CROSS JOIN Orders ON Customers.CustomerId = Orders.CustomerId
B. SELECT CustomerName, OrderDate FROM Customers LEFT OUTER JOIN Orders ON Customers.CuscomerlD = Orders.CustomerId
C. SELECT CustomerName, OrderDate FROM Customers JOIN Orders ON Customers.CustomerId = Orders.CustomerId
D. SELECT CustomerName, OrderDate FROM Customers RIGHT OUTER JOIN Orders ON Customers.CustomerID = Orders.CustomerId

Question 2

You are developing a database that will contain price information. You need to store the prices that include a fixed precision and a scale of six digits. Which data type should you use?

A. Smallmoney
B. Numeric
C. Money
D. Float

Question 3

You administer a Microsoft SQL Server 2012 server. When transaction logs grow, SQL Server must send an email message to the database administrators. You need to configure SQL Server to send the email messages. What should you configure?

A. Policies under Policy-Based Management
B. SQL Mail
C. Alerts and operators in SQL Server Agent
D. An Extended Events session

Question 4

You have an XML schema collection named Sales.InvoiceSchema. You need to declare a variable of the
XML type named XML1. The solution must ensure that XML1 is validated by using Sales.InvoiceSchema.
Which code segment should you use?
To answer, type the correct code in the answer area.

A. Declare @XML1=XML(Sales.InvoiceSchema)
B. DECLARE @XML1 XML @XML1 = Sales.InvoiceSchema CREATE XML SCHEMA COLLECTION XML1 AS @XML1

Question 5

You administer a Microsoft SQL Server 2012 instance named SQL2012 that hosts an OLTP database of 1 terabyte in size. The database is modified by users only from Monday through Friday from 09:00 hours to
17:00 hours. Users modify more than 30 percent of the data in the database during the week. Backups are performed as shown in the following schedule:

The Finance department plans to execute a batch process every Saturday at 09:00 hours. This batch process will take a maximum of 8 hours to complete. The batch process will update three tables that are 10 GB in size. The batch process will update these tables multiple times. When the batch process completes, the Finance department runs a report to find out whether the batch process has completed correctly. You need to ensure that if the Finance department disapproves the batch process, the batch operation can be rolled back in the minimum amount of time. What should you do on Saturday?

A. Create a database snapshot at 08:59 hours.
B. Create a marked transaction in the transaction log at 08:59 hours. Perform a transaction log backup at
17:01 hours.
C. Create a marked transaction in the transaction log at 08:59 hours. Perform a transaction log backup at
08:59 hours.
D. Perform a differential backup at 08:59 hours.
E. Record the LSN of the transaction log at 08:59 hours. Perform a transaction log backup at 17:01 hours.
F. Record the LSN of the transaction log at 08:59 hours. Perform a transaction log backup at 08:59 hours.