Exam 70-451
PRO: Designing Database Solutions and Data Access Using Microsoft SQL Server 2008Exam news
This Microsoft Certified Professional (PRO) exam, Exam 70-451: PRO: Designing Database Solutions and Data Access Using Microsoft SQL Server 2008, became available in November 2008.
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Audience profile
Candidates for this exam typically work in an enterprise environment that has more than 500 personal computers and more than 100 servers and mostly create solutions for all types of enterprise issues. Candidates should have experience with the following:
• Writing transact SQL queries
• Programming the database
• Troubleshooting programming objects (for example, stored procedures, triggers, user-defined functions [UDFs], user-defined types [UDTs], and queries)
• Database performance tuning and optimization
• Designing databases at both the conceptual and logical levels
• Implementing databases at the physical level
• Might be involved in designing and troubleshooting the data access layer of the application
• Gathering business requirements
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Credit toward certification
When you pass Exam 70-451: PRO: Designing Database Solutions and Data Access Using Microsoft SQL Server 2008, you earn credit toward the following certification:
• Microsoft Certified IT Professional (MCITP): Database Developer 2008
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Preparation tools and resources
To help you prepare for this exam, Microsoft Learning recommends that you have hands-on experience with the product and that you use the following training resources. These training resources do not necessarily cover all of the topics listed in the “Skills measured” section.
Classroom training Microsoft E-Learning Microsoft Press books Practice tests
Training resources are in development. Please revisit this page for updated information.
Training resources are in development. Please revisit this page for updated information.
Training resources are in development. Please revisit this page for updated information.
Training resources are in development. Please revisit this page for updated information.
Microsoft online resources
• Microsoft SQL Server 2008 – Learning Portal: Find special offers and information on training and certification.
• Product information: Visit the SQL Server 2008 Web site for detailed product information.
• Microsoft Learning Community: Join newsgroups and visit community forums to connect with your peers for suggestions on training resources and advice on your certification path and studies.
• TechNet: Designed for IT professionals, this site includes how-to instructions, best practices, downloads, technical resources, newsgroups, and chats.
• MSDN: Designed for developers, the Microsoft Developer Network (MSDN) features code samples, technical articles, downloads, newsgroups, and chats.
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Skills measured
This exam measures your ability to accomplish the technical tasks listed in the following table. The percentages indicate the relative weight of each major topic area on the exam.
Skills measured by Exam 70-451
Designing a Database Strategy (13 percent)
Identify which SQL Server components to use to support business requirements.
This objective may include but is not limited to: SQL Server Agent, DB mail, Service Broker, Full-Text Search, Distributed Transaction Coordinator (DTC), linked servers
Design a database model.
This objective may include but is not limited to: normalization, entities, entity relationships
Design a data model by using the Entity Framework.
This objective may include but is not limited to: defining and maintaining mapping (query vs. stored proc), defining a data model, entity SQL
Design an application strategy to support security.
This objective may include but is not limited to: application roles, schema ownership, execution context, Windows vs. SQL authentication, permissions and database roles
Design a solution by using Service Broker.
This objective may include but is not limited to: designing services, contracts, activation, routes, message types, queues, remote service binding, priorities
Design a Full-Text Search strategy.
This objective may include but is not limited to: CONTAINS, CONTAINSTABLE, FREETEXT, FREETEXTTABLE
Designing Database Tables (16 percent)
Identify the appropriate usage of new data types.
This objective may include but is not limited to: geography, geometry, hierarchyid, date, time, datetime2, datetimeoffset, varbinary (max) filestream
Design tables.
This objective may include but is not limited to: table width, sizing data types, IN_ROW_DATA (BLOBs), overflow data, sparse columns, computed columns, persisted computed columns
Design data integrity.
This objective may include but is not limited to: primary key, foreign key, check constraint, default constraint, NULL/NOT NULL, unique constraint, DML triggers
Designing Programming Objects (17 percent)
Design T-SQL stored procedures.
This objective may include but is not limited to: execution context (EXECUTE AS), table-valued parameters, determining appropriate way to return data, WITH RECOMPILE/OPTION (RECOMPILE), error handling, TRY/CATCH
Design views.
This objective may include but is not limited to: common table expressions, partitioned views, WITH CHECK OPTION, WITH SCHEMABINDING
Design T-SQL table-valued and scalar functions.
This objective may include but is not limited to: inline table-valued functions vs. views, multi-statement table-valued functions, determinism
Design Common Language Runtime (CLR) table-valued and scalar functions.
This objective may include but is not limited to: assembly PERMISSION_SET, CLR vs. T-SQL, ordered vs. non-ordered
Design CLR stored procedures, aggregates, and types.
This objective may include but is not limited to: assembly PERMISSION_SET, CLR vs. T-SQL, ordered vs. non-ordered, executing static methods on user-defined types, multi-parameter aggregations
Evaluate special programming constructs.
This objective may include but is not limited to: dynamic vs. prepared SQL (CREATE PROCEDURE… WITH EXECUTE AS) procedure, protecting against SQL injection
Designing a Transaction and Concurrency Strategy (14 percent)
Design the locking granularity level.
This objective may include but is not limited to: locking hints, memory consumption
Design for implicit and explicit transactions.
This objective may include but is not limited to: nested transactions, savepoints, TRY/CATCH
Design for concurrency.
This objective may include but is not limited to: hints, transaction isolation level, effect of database option READ_COMMITTED_SNAPSHOT, rowversion and timestamp datatypes
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
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
Designing a Database for Optimal Performance (15 percent)
Optimize indexing strategies.
This objective may include but is not limited to: table-valued function, views, filtered indexes, indexed views, clustered and non-clustered, unique
Design scalable database solutions.
This objective may include but is not limited to: scale up vs. scale out, federated databases, distributed partitioned views, scalable shared databases, replication, offloading read-only query (database mirroring)
Resolve performance problems by using plan guides.
This objective may include but is not limited to: object plan guides, SQL plan guides, templates plan guides, dynamic management views
Design a table and index compression strategy.
This objective may include but is not limited to: row vs. page, update frequency, page compression implementation, compressing individual partitions
Design a table and index partitioning strategy.
This objective may include but is not limited to: switching partitions, merging, splitting, staging, creating, schemes and functions
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