sql server 2008 r2 performance tuning pdf

Tài liệu Apress - SQL Server 2008 Query Performance Tuning Distilled (2009)02 ppt

... ĩ>èấấii]ấịếấV>ấ`ièvịấèiấĩ>èấèịôiấ>`ấLi}ấèếLiè}ấ"iấvấèiấèấ CHAPTER 2 N SYSTEM PERFORMANCE ANALYSIS22 SQL Server Memory Management-+Ê-iÀÛiÀÊ>>}iÃ memory for databases, including ... -đấấèấèiấiịấv`iấvấèiấ-iiấ*ôièiấ`>}ấLí]ấ>ấĩấấ}ếiấểẻFigure 2-3. SQL Server memory configuration/iấ`ị>Vấiịấ>}iấấVèi`ấèế}ấèĩấVv}ế>èấôôièi\ấIejeiqi$I>% and I]teiqi$I>%. CHAPTER 2 N SYSTEM PERFORMANCE ANALYSIS28Figure ... faultấVVếấĩiấ>ấôViấiàếiấV`iấấ`>è>ấè>èấấèấấèấĩ}ấièấấiiĩiiấấôịV>ấiịấ>`ấếèấLiấièii`ấvấ`/iấôii`ấvấ>ấ`ấ>VViấấấèiấ`iấvấiV`]ấĩii>ấ>ấiịấ>VViấấấèiấ`iấvấ>iV`ấ/ấế}iấ`vviiViấấèiấôii`ấLièĩiiấ>ấ`ấ>VViấ>`ấ>ấi-ịấ>VViấ>iấèiấivviVèấvấ>`ấô>}iấv>ếèấ}vV>èấVô>i`ấèấè>èấvấvèấô>}iấv>ếè/iấL]cao+oa_ấVếèiấiôiièấèiấếLiấvấô>}iấi>`ấvấấĩèèiấèấ`ấôiấiV`ấèấiiấ>`ấô>}iấv>ếèấ/iấL]caB]qhpo+oa_ performance counter indicates the total page faults per second—soft page faults plus hard page faults—handled by the system. CHAPTER 2 N SYSTEM PERFORMANCE ANALYSIS19Dynamic...

Tài liệu Apress - SQL Server 2008 Query Performance Tuning Distilled (2009)01 pptx

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... xxvCHAPTER 1 SQL Query Performance Tuning 1The Performance- Tuning Process 2The Core Process 2Iterating the Process 4 Performance vs. Price 7 Performance Targets 7“Good Enough” Tuning 7 Performance ... CHAPTER 1 N SQL QUERY PERFORMANCE TUNING 15SummaryIn this introductory chapter, you have seen that SQL Server performance tuning is an itera-tive process, consisting of identifying performance ... xxvCHAPTER 1 SQL Query Performance Tuning 1CHAPTER 2 System Performance Analysis 17CHAPTER 3 SQL Query Performance Analysis 61CHAPTER 4 Index Analysis 101CHAPTER 5 Database Engine Tuning Advisor...

Microsoft SQL Server 2008 R2 Unleashed- P11 pdf

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... of SQL Server ImplementationsNetworkDatabase Mirroring Topology with Snapshots SQL Server 2008 SQL Server 2008 Mirror Server Principal Server Role: PARTNERRole: PARTNER SQL Server 2008 ... Advanced Server Windows 2003 Advanced Server SQL Server 2008 (Virtual SQL Server) SCSILocal BinariesLocal BinariesASPProd1E:C:C:Master DBTempDBHOE DBASPProd2 SQL Server 2008 (physical) SQL ... develop-ment tasks on SQL Server 2008. SSMS was introduced with SQL Server 2005 and replaced the Enterprise Manager, Query Analyzer, and Analysis Manager that were available in SQL Server 2000. Microsoft...

Microsoft SQL Server 2008 R2 Unleashed- P18 pdf

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... displayed next to the column in the column list.The filtering options in SQL Server 2008 are similar to those available in SQL Server 2005. Which options are available depends on the type of column ... are not complet-ing successfully.TSQL_Duration Traces the total execution time for each completed SQL statement or RPC.TSQL_Grouped Traces the star t of SQL statements and RPCs, g rou ped ... General tab of the Trace Properties window, are listed in Table 6.1.CHAPTER 6 SQL Server ProfilerTABLE 6.1 SQL Profiler TemplatesTemplate DescriptionSP_Counts Tracks all the stored procedures...

Microsoft SQL Server 2008 R2 Unleashed- P33 pdf

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... the latest SQL Server 2008 functionality through this provider.. Microsoft OLE DB provider for SQL Server This OLE DB provider, known as SQLOLEDB, is specialized for accessing SQL Server data ... to SQL Server 2008 using ODBC, you use a connec-tion string or a DSN that is accessible to the client application at runtime. The ODBC driver used with SQL Server 2000 (simply called SQL Server) ... Microsoft ODBC driver for SQL Server This is the ODBC driver distributed with MDAC for accessing SQL Server databases. COM applications can continue to use it to access SQL Server 2008, or they can...

Microsoft SQL Server 2008 R2 Unleashed- P61 pdf

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... 2008 Reporting Server Rpt DB SQL Server 2008 North America RegionRegionalization(multiple owners) xyz DB SQL Server 2008 Europe Regionxyz DB SQL Server 2008 Primary Failoverxyz DB SQL Server 2008 Hot ... 2008 Hot Spare (Fail-over)xyz DB SQL Server 2008 USA (Headquarters)Enabling/Partitioningxyz DB SQL Server 2008 Europe Server xyz DB SQL Server 2008 Asia Server xyz DBFIGURE 19.2 Data replication ... of SQL statements being replicated across the network versus standard DML statements. Download from www.wowebook.com ptg548 SQL Server 2008 Primary OLTPReporting/ODSOLTP DB SQL Server 2008 Reporting Server Rpt...

Microsoft SQL Server 2008 R2 Unleashed- P64 pdf

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... with the ROWGUIDCOL prop-erty, SQL Server automatically uses that column for the row identifier. If not, SQL Server adds a column called rowguid to the table. SQL Server also places an index on ... member of the sysadmin server role, so you should ensure that now. Then you use the following steps to configure a server as a distributor (remote distributor):1. In SQL Server Management Studio, ... options:. Configure this server to be a distributor.. Configure this server to be both a publisher and distributor.. Configure this server to be a publisher that uses another server as its distributor.2....

Microsoft SQL Server 2008 R2 Unleashed- P86 pdf

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... candidates. SQL Profiler is discussed in more detail in Chapter 6, SQL Server Profiler.” In addition, Chapter 34 discusses the use of the SQL Server Profiler and Database Engine Tuning Advisor ... essential to creating nonclustered indexes. Fortunately, SQL Server comes with tools such as the SQL Server Profiler and Database Engine Tuning Advisor that can help you evaluate your data access ... advantages.Creating Indexes with T -SQL Transact -SQL (T -SQL) is the most fundamental means for creating an index. This method was available in all previous versions of SQL Server. It is a very powerful...

Microsoft SQL Server 2008 R2 Unleashed- P87 pdf

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... remained the same in SQL Server 2008. Several features that were added in SQL Server 2005, such as cascading integrity constraints, are still supported in SQL Server 2008. The lack of change ... comprehensive in 2005 and remain so in 2008. Keep in mind that bound defaults, which were deprecated in SQL Server 2005, are still available in SQL Server 2008. For now, you can still use this ... as DBCC DBREINDEX, are still available in SQL Server 2008 for backward compatibility.For more information and guidelines on managing indexes for performance, such as why and when to rebuild...

Microsoft SQL Server 2008 R2 Unleashed- P94 pdf

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... versions of SQL Server that did not support the reuse of execution plans for T -SQL statements or batches. Applications connecting to SQL Server 2000 and higher should use the sp_executesql system ... quite simple. SQL Server parses the commands sent to it in a batch by searching for keywords. Stored procedure names aren’t keywords. If SQL Server finds a procedure name among the SQL statements, ... statements, chances are that SQL Server will return an error message because it tries to treat it as part of the preceding command. Sometimes the execution is successful, but SQL Server doesn’t execute...

Microsoft SQL Server 2008 R2 Unleashed- P97 pdf

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... Using SQL Server Management StudioOne of the great tools available in the SQL Server 2000 Query Analyzer, the built-in SQL Debugger, was left out of SQL Server Management Studio (SSMS) in SQL Server ... usernames, and so on. SQL Server Profiler stored proceduresUsed by SQL Server Profiler to monitor performance and activity. SQL Server Agent stored proceduresUsed by SQL Server Agent to manage ... C:\MSSQL2008\MSSQL10 .SQL2 008UNLEASHED\MSSQL\DATA\master.mdf PRIMARY 4096 KB Unlimited 10% data only mastlog 2 C:\MSSQL2008\MSSQL10 .SQL2 008UNLEASHED\MSSQL\DATA\mastlog.ldf NULL 512 KB Unlimited 10% log onlyexec bigpubs2008...

Microsoft SQL Server 2008 R2 Unleashed- P132 pdf

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... Caching35Although SQL Server can also match query plans for ad hoc SQL statements, there are some limitations as to when a plan can be reused. For SQL Server to match SQL state-ments to existing ... subsequent SQL statements, the Database Engine first checks to see whether an existing execution plan for the same SQL statement already resides in the plan cache. If it finds one, SQL Server attempts ... Here’s an example:sp_executesql N’select t.title, pubdate from bigpubs2008.dbo.authors a join bigpubs2008.dbo.titleauthor ta on a.au_id = ta.au_id join bigpubs2008.dbo.titles t on ta.title_id...

Microsoft SQL Server 2008 R2 Unleashed- P133 pdf

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... processor in SQL Server 2008 includes parallel query processing—an execution strategy that can improve the performance of complex queries on computers with more than one processor. SQL Server inserts ... simply states that if A=B and B=C, then A=C. SQL Server supports the transitive property in its query predicates. Predicate transitivity enables SQL Server to infer a join equality from two given ... SQL Server can eliminate duplicate rows by the sorting the result set in a worktable to identify and remove the duplicates, similar to how a worktable is used for GROUP BY queries. In SQL Server...

Microsoft SQL Server 2008 R2 Unleashed- P135 pdf

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... is to capture the batch or statement text from SQL Server Profiler. (See Chapter 6 for more information on using SQL Server Profiler to capture SQL queries.) Also, as with the XML query plans ... (<> or !=) comparisons. References to functions SQL Server 2008 enables you to override the default simple parameterization behavior of SQL Server and provide parameterization for more complex ... the normal con-catenation is likely to still take place.Forced ParameterizationIn SQL Server 2008, if a SQL statement is executed without parameters, the Query Optimizer parameterizes the...

Microsoft SQL Server 2008 R2 Unleashed- P139 pdf

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... SQL Server activity to evaluate the SQL Server memory configuration, use the Performance Monitor, which is discussed in Chapter 39, “Monitoring SQL Server Performance. ”STATISTICS TIMEYou can ... version of SQL Server. It is recommended that you switch to using the SET SHOWPLAN_XML option instead.Query StatisticsIn addition to the new dynamic management objects, SQL Server 2008 still ... of other SQL Server activity. Generally speaking, the queries with the fewest logical reads are the fastest queries. If you want to monitor the overall cache hit ratio for all SQL Server activity...