SQL SERVER 2008

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PROFESSIONAL <strong>SQL</strong> Server ® 2012 Internals and Troubleshooting Christian Bolton Justin Langford Glenn Berry Gavin Payne Amit Banerjee Rob Farley John Wiley & Sons, Inc.
Page 3: PROFESSIONAL SQL SERVER® 2012 INTE
Page 8 and 9: Professional SQL Server® 2012 Inte
Page 11 and 12: ABOUT THE AUTHORS CHRISTIAN BOLTON
Page 13: ABOUT THE CONTRIBUTORS MICHAEL ANDE
Page 16 and 17: papers for Microsoft and posts his
Page 19 and 20: ACKNOWLEDGMENTS WE ALL HAVE SQL SER
Page 21 and 22: CONTENTS INTRODUCTION xxix PART I:
Page 23 and 24: CHAPTER 5: QUERY PROCESSING AND EXE
Page 25 and 26: Inserts When the Clustered Index Ke
Page 27 and 28: Gearing Up for Long-Term Data Colle
Page 29 and 30: System Center Advisor 461 System Ce
Page 31 and 32: INTRODUCTION IF YOU’RE TROUBLESHO
Page 33 and 34: Troubleshooting Tools and Lessons f
Page 35 and 36: Chapter 5: Query Processing and Exe
Page 37 and 38: INTRODUCTION Chapter 13: Diagnosing
Page 39 and 40: SOURCE CODE INTRODUCTION As you wor
Page 41: PART I Internals ⊲ CHAPTER 1: SQL
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16 ❘ CHAPTER 1 SQL SERVER ARCHITE
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2Demystifying Hardware WHAT’S IN
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OLTP Workloads How Workload Aff ect
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How Workload Aff ects Hardware and
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Processor Vendor Selection ❘ 35 G
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Processor Vendor Selection ❘ 37 c
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Classic Intel Processor Numbering P
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Processor Vendor Selection ❘ 41 a
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Processor Vendor Selection ❘ 43 H
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2011 32nm 4200, 6200 Valencia, Inte
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Choosing and Confi guring Hardware
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Hardware Comparison Tools ❘ 49 TP
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SUMMARY Summary ❘ 51 As you go th
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3Understanding Memory WHAT’S IN T
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Physical and Virtual Memory ❘ 55
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Virtual Memory Manager Physical and
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Sizing the Page File Physical and V
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Physical and Virtual Memory ❘ 61
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SQL SERVER MEMORY SQL Server Memory
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Caches SQL Server Memory ❘ 65 SQL
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SQL Server Memory ❘ 67 NOTE DBCC
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Memory Grants Pending Memory Grants
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Each of these options is covered in
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Optimizing SQL Server Memory Confi
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For example, recall this script use
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4Storage Systems WHAT’S IN THIS C
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Storage Technology ❘ 79 server, i
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Storage Technology ❘ 81 RAID defi
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Storage Technology ❘ 83 The stora
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Block-Based Storage vs. File-Based
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Storage Technology ❘ 87 his stora
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Storage Technology ❘ 89 Because t
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Storage Technology ❘ 91 A hardwar
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Storage Technology ❘ 93 Several s
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Measuring Performance ❘ 95 The pr
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TABLE 4-1: Windows Storage Performa
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Measuring Performance ❘ 99 A sequ
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Measuring Performance ❘ 101 64KB
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Measuring Performance ❘ 103 In SQ
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Measuring Performance ❘ 105 is ma
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FIGURE 4-13 Measuring Performance
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Measuring Performance ❘ 109 This
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5Query Processing and Execution WHA
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QUERY OPTIMIZATION Query Optimizati
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Query Optimization ❘ 115 ➤ the
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FIGURE 5-3 Query Optimization ❘ 1
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Query Optimization ❘ 119 compilat
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Compiled Plan Prepared 20 Compiled
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select * from sys.dm_exec_plan_attr
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Query Optimization ❘ 125 To see h
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Query Optimization ❘ 127 The Phys
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Plan Guides Query Plans ❘ 129 Pla
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set showplan_all off go Some of the
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TABLE 5-1: SQL Server Join Types JO
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Query Plans ❘ 135 ➤ Seek operat
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Query Plans ❘ 137 Starting at the
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Query Plans ❘ 139 When you run th
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Executing Your Queries ❘ 141 grou
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Executing Your Queries ❘ 143 whic
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Tasks Executing Your Queries ❘ 14
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Summary ❘ 147 the initial setup h
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150 ❘ CHAPTER 6 LOCKING AND CONCU
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7Latches and Spinlocks WHAT’S IN
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In order for spinlock contention to
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FIGURE 7-5 The sys.dm_os_spinlock_s
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Understanding Latches and Spinlocks
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The noteworthy elements for this ex
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HEADER INFORMATION m_slotCnt=1 m_fr
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PAGE HEADER: Page @0x00000002F39940
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NL KP SH UP EX DT Latch Modes ❘ 1
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Latch Modes ❘ 197 fi rst latch in
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FIGURE 7-18 Monitoring Latches and
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Monitoring Latches and Spinlocks
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Latch Contention Examples ❘ 203 N
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Latch Contention Examples ❘ 205 O
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Latch Contention Examples ❘ 207 P
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Summary ❘ 209 The storage used by
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212 ❘ CHAPTER 8 KNOWING TEMPDB Th
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214 ❘ CHAPTER 8 KNOWING TEMPDB A
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216 ❘ CHAPTER 8 KNOWING TEMPDB TA
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220 ❘ CHAPTER 8 KNOWING TEMPDB FI
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224 ❘ CHAPTER 8 KNOWING TEMPDB SE
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226 ❘ CHAPTER 8 KNOWING TEMPDB GO
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228 ❘ CHAPTER 8 KNOWING TEMPDB GO
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230 ❘ CHAPTER 8 KNOWING TEMPDB
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232 ❘ CHAPTER 8 KNOWING TEMPDB sy
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234 ❘ CHAPTER 8 KNOWING TEMPDB ex
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236 ❘ CHAPTER 8 KNOWING TEMPDB If
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9Troubleshooting Methodology and Pr
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Approaching Problems ❘ 243 versus
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Success Criteria Approaching Proble
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Engaging External Help Approaching
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Defi ning the Problem ❘ 249 ➤ U
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Defi ning the Problem ❘ 251 In ma
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Focused Data Collection Data Collec
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Data Analysis ❘ 255 ➤ Managemen
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Implementing Resolution Summary ❘
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260 ❘ CHAPTER 10 VIEWING SERVER P
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11 Consolidating Data Capture with
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Getting Friendly with SQLdiag ❘ 2
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➤ Insight into the instance’s m
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The above message signifi es that a
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Diag Manager is a 32-bit tool whose
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Using SQLdiag Confi guration Manage
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General Custom Diagnostics Using SQ
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Analysis Services Custom Collectors
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Capturing Extended Events Using SQL
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Using SQLdiag Confi guration Manage
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Gearing Up for Long-Term Data Colle
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Employing Best Practices ❘ 321
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SUMMARY Summary ❘ 323 SQLdiag, co
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326 ❘ CHAPTER 12 BRINGING IT ALL
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350 ❘ CHAPTER 13 DIAGNOSING SQL S
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14 Enhancing Your Troubleshooting T
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Getting Started with PowerShell ❘
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Getting Started with PowerShell ❘
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$PSCulture Culture of the current W
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function Get-SQLProcess { [CmdletB
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PS > get-module -listavailable sql*
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What’s New in SQL Server 2012 Get
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Using PowerShell to Investigate Ser
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Using PowerShell to Investigate Ser
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Proactively Tuning SQL Server Perfo
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Proactively Tuning SQL Server Perfo
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} Proactively Tuning SQL Server Per
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} Scheduling Script Execution Proac
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15 Delivering a SQL Server Health C
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Running DMV and DMF Queries ❘ 407
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SQL Server Builds ❘ 409 Making th
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SQL Server Builds ❘ 411 even web
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SQL Server Builds ❘ 413 SQL Serve
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LISTING 15-14: SQL Server memory du
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SQL Server Builds ❘ 417 not being
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DatabaseName, [CPU_Time_Ms], CAST([
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LISTING 15-22: Login count informat
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SQL Server Builds ❘ 423 Server. I
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LISTING 15-29: Memory Grants Pendin
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Database-Level Queries ❘ 427 This
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qs.total_worker_time AS [TotalWorke
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LISTING 15-41: Top cached stored pr
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Database-Level Queries ❘ 435 Next
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-- and zero or very low numbers of
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ORDER BY cp.usecounts DESC OPTION (
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Summary ❘ 443 The purpose behind
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446 ❘ CHAPTER 16 DELIVERING MANAG
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17 Running SQL Server in a Virtual
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An Overview of Virtualization ❘ 4
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Why Virtualize a Server? ❘ 473 Ea
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Why Virtualize a Server? ❘ 475 ph
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Limitations of Virtualization Commo
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Common Virtualization Products ❘
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Virtualization Concepts ❘ 481 The
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Extended Features of Virtualization
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Managing Contention ❘ 489 Where d
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Identifying Candidates for Virtuali
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Identifying Candidates for Virtuali
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Arrows indicate the physical locati
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CPU Architecting Successful Virtual
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Architecting Successful Virtual Dat
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Architecting Successful Virtual Dat
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Monitoring Virtualized Database Ser
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Monitoring Virtualized Database Ser
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On the SQL Server Instance Summary
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architecture - BLG Blaster architec
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Client Access License (CAL) - count
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data source names - design data sou
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Enterprise Policy Management Framew
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health checks for SQL Server - hype
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Keep (KP) latches - locks K Keep (K
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MB (Min Server Memory) - MSSSQL (Mi
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object naming conventions - Perfmon
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plans - Profi ler plans (continued)
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query processing - release to manuf
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SA (Software Assurance) - sessions
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SQL Server 2012 - statistics SQL Se
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targets - Transactions event catego
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variables, table - VLANs (virtual l
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