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Microsoft PRO: Designing Database Solutions and Data Access Using Microsoft SQL Server 2008 70-451
Exam Number/Code : 70-451
Exam Name : PRO: Designing Database Solutions and Data Access Using Microsoft SQL Server 2008
One year free update
Once failed,100% refund
Questions and Answers : 139Q&As
Update Time : 2012-11-1
Price :$89.00

Free 70-451 VCE Demo Download
QUESTION NO: 6
You have a database that contains two tables named Table1 and Table1_Details. Table1_Details contains details about items in Table1.
You need to ensure that when an item is removed from Table1, all related items are removed from
Table1_Details. You must achieve this goal by using the minimum amount of Transact-SQL code.
What should you do?
A. Create a foreign key relationship. Set Cascade Delete to Null.
B. Create a foreign key relationship. Set Cascade Delete to True.
C. Create a trigger on Table1_Details that fires on the Delete action.
D. Create a stored procedure that deletes all related items from Table1_Details.
Answer: B

QUESTION NO: 7
You need to provide a developer the ability to create and modify database diagrams from an existing database by using SQL Server Management Studio. The solution must minimize the amount of permissions assigned to the developer.
What should you do?
A. Add the developer to the sysadmin role.
B. Add the developer to the db_owner role.
C. Grant the developer the CREATE TABLE permission only.
D. Grant the developer the CREATE SCHEMA permission only.
Answer: B

Exam 70-451 ebook : PRO: Designing Database Solutions and Data Access Using Microsoft SQL Server 2008
Designing an XML Strategy (8 percent)
•Design XML storage.
This objective may include but is not limited to: determining when to use XML for storage, untyped vs. typed (XML schema collection)
•Design a strategy to query and modify XML data.
This objective may include but is not limited to: when to use appropriate XPath and XQuery expressions, .query vs. .value, XML indexes for performance, typed vs. untyped, .exist, .modify
•Design a query strategy by using FOR XML.
This objective may include but is not limited to: views, FOR XML PATH and EXPLICIT, FOR XML…TYPE
•Design a strategy to transform XML into relational data.
This objective may include but is not limited to: .nodes, .value, .query, XQuery and XPath

Exam 70-451: PRO: Designing Database Solutions and Data Access Using Microsoft SQL Server 2008
Designing Queries for Performance (17 percent)
•Optimize and tune queries.
This objective may include but is not limited to: optimizer hints, common table expressions (CTEs), search conditions, temporary storage, GROUP BY [GROUPING SETS|CUBE|ROLLUP]
•Analyze execution plans.
This objective may include but is not limited to: execution order, logical and physical operators, join operators, minimize resource costs, compare query costs
•Evaluate the use of row-based operations vs. set-based operations.
This objective may include but is not limited to: row-based logic vs. set-based logic, batching, splitting implicit transactions

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