SQL Server Execution Plans - Grant Fritchey - SQLServerCentral.com

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Querying the XML__________________________________________________ 135Summary_________________________________________________________ 137Chapter 4: Understanding More Complex Query Plans_______138Stored procedures__________________________________________________ 138Using a sub-select __________________________________________________ 141Derived tables using APPLY__________________________________________ 145Common table expressions___________________________________________149MERGE__________________________________________________________ 154Views____________________________________________________________ 159Indexes___________________________________________________________ 164Summary_________________________________________________________ 176Chapter 5: Controlling Execution Plans with Hints__________ 177Query Hints__________________________________________________________178HASH|ORDER GROUP_____________________________________________ 178MERGE |HASH |CONCAT UNION____________________________________ 182LOOP|MERGE|HASH JOIN__________________________________________ 185FAST n___________________________________________________________190FORCE ORDER____________________________________________________ 191MAXDOP_________________________________________________________196OPTIMIZE FOR___________________________________________________199PARAMETERIZATION SIMPLE|FORCED______________________________205RECOMPILE______________________________________________________205ROBUST PLAN ___________________________________________________ 208KEEP PLAN______________________________________________________ 209KEEPFIXED PLAN__________________________________________________ 210EXPAND VIEWS___________________________________________________ 210MAXRECURSION__________________________________________________ 212USE PLAN________________________________________________________ 212Join Hints____________________________________________________________ 212LOOP____________________________________________________________ 213MERGE__________________________________________________________ 216
Table Hints__________________________________________________________218Table hint syntax___________________________________________________ 218NOEXPAND______________________________________________________ 219INDEX()__________________________________________________________ 221FASTFIRSTROW __________________________________________________ 223Summary____________________________________________________________226Chapter 6: Cursor Operations____________________________227Simple cursors________________________________________________________227Logical operators___________________________________________________229Physical operators__________________________________________________ 237More cursor operations________________________________________________238Static cursor_______________________________________________________ 238Keyset cursor______________________________________________________ 243READ_ONLY cursor________________________________________________246Cursors and performance______________________________________________247Summary____________________________________________________________254Chapter 7: Special Datatypes and Execution Plans__________255XML________________________________________________________________ 255FOR XML_________________________________________________________ 257OPENXML________________________________________________________266XQuery___________________________________________________________ 271Hierarchical Data_____________________________________________________279Spatial Data__________________________________________________________282Summary___________________________________________________________ 286Chapter 8: Advanced Topics____________________________ 287Reading Large-scale Execution Plans____________________________________ 288Parallelism in Execution Plans__________________________________________295Max degree of parallelism____________________________________________296Cost threshold for parallelism_________________________________________297Are parallel plans good or bad?________________________________________298Examining a parallel execution plan___________________________________ 299
Page 1 and 2: SQL HandbooksSQL ServerExecution Pl
Page 3 and 4: First Edition 2008Copyright Grant F
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Page 9 and 10: About the AuthorGrant Fritchey is a
Page 11 and 12: ForewordI have attended many SQL Se
Page 13 and 14: IntroductionEvery day, out in the v
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SQL Server Execution Plans - Grant Fritchey - SQLServerCentral.com

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