Contents xv Chapter 11 SQL Server XML Support 479 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .480 Working with XML Data 480 Understanding XML Indexing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .480 HTTP Endpoints 484 Http Endpoints Defined 484 Endpoint Can Interface to a Stored Procedure . . . . . . . . . . . . . . . .485 How to Create the Endpoint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .485 Web Services 496 XQuery Explained 497 Xpath . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .504 Summary of Exam Objectives 509 Exam Objectives Fast Track . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .509 Exam Objectives Frequently Asked Questions 511 Self Test 512 Self Test Quick Answer Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .517 Chapter 12 Service Broker 519 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .520 The Queuing Concept Explained 520 Service Broker Defined . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .521 Message Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .525 Contracts 527 Queues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .529 Services 533 Endpoints 535 Routes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .538 Sending a Message 540 Summary of Exam Objectives 544 Exam Objectives Fast Track . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .544 Exam Objectives Frequently Asked Questions 547 Self Test 548 Self Test Quick Answer Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .557 Chapter 13 Performance Tuning 559 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .560 Tracing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .561 Trace Templates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .562 Trace Events 565 Trace Filters 566 Server-Side Tracing 567 xvi Contents Combining System Monitor and Profiler Traces 568 Replaying Traces 569 Using SQLDiag to Collect Performance Data . . . . . . . . . . . . . . . . . . .570 Locks, Blocking, and Deadlocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .571 Locking 572 Blocking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .572 Deadlocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .573 Transaction Isolation Levels 573 Lock Escalation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .574 Lock Compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .574 Detecting and Resolving Locking Problems 575 Guide to the DYNAMIC Management Views (DMVs) . . . . . . . . . . . . . . .578 Partitioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .581 Horizontal Partitioning 581 Vertical Partitioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .582 Filegroups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .582 Selecting a Partition Key and Number of Partitions 583 Partition Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .584 Partition Scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .584 Moving Data between Partitions 585 Performance Data Collection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .586 Performance Data Collection Explained . . . . . . . . . . . . . . . . . . . . . . .586 Management Data Warehouse 587 Configuring MDW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .587 Configuring Data Collection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .593 Data Collection Caching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .594 Management Data Warehouse Reports . . . . . . . . . . . . . . . . . . . . . . . .595 Resource Governor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .596 Resource Governor Concepts 597 Resource Pools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .597 Workload Groups 599 Classification Function 599 Validate Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .600 Resource Governor Summary 600 Summary of Exam Objectives 601 Exam Objectives Fast Track . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .601 Exam Objectives Frequently Asked Questions 603 Self Test 604 Self Test Quick Answer Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .609 Contents xvii Chapter 14 Implementing Objects . . . . . . . . . . . . . . . . . . . . . . . . . . . . 611 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .612 Understanding DDL and DML Language Elements 613 Working with Tables and Views 619 Creating Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .619 Creating User-Defined Data Types . . . . . . . . . . . . . . . . . . . . . . . . .621 Working with Constraints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .623 Creating Indexes 625 Working with Full-Text Indexes 630 Viewing and Modifying Data 634 Creating Views 634 Creating Stored Procedures 637 Creating Functions 640 Creating Triggers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .641 Summary of Exam Objectives 646 Exam Objectives Fast Track . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .646 Exam Objectives Frequently Asked Questions 648 Self Test 650 Self Test Quick Answer Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .658 Index 659 Companion Web Site: A more detailed answer key for the Self Test questions in this book is available on the Web. Go to www.elsevierdirect.com/companions/9781597494205. This page intentionally left blank 1 Exam objectives review: ˛ Summary of Exam Objectives ˛ Exam Objectives Fast Track ˛ Exam Objectives Frequently Asked Questions ˛ Self Test ˛ Self Test Quick Answer Key Exam objectives in this chapter: New Feature Overview  Reporting Services  New Features in SQL Server 2008 Chapter 1 MCTS SQL Server 2008 Exam 432 . chapter: New Feature Overview  Reporting Services  New Features in SQL Server 2008 Chapter 1 MCTS SQL Server 2008 Exam 432 . objectives review: ˛ Summary of Exam Objectives ˛ Exam Objectives Fast Track ˛ Exam Objectives Frequently Asked Questions ˛ Self Test ˛ Self Test Quick Answer Key Exam objectives in this chapter: New. .600 Resource Governor Summary 600 Summary of Exam Objectives 601 Exam Objectives Fast Track . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .601 Exam Objectives Frequently Asked Questions