... of SQLServer ImplementationsNetworkDatabase Mirroring Topology with Snapshots SQL Server2008 SQL Server2008 Mirror Server Principal Server Role: PARTNERRole: PARTNER SQL Server2008 ... Advanced Server Windows 2003 Advanced Server SQL Server2008 (Virtual SQL Server) SCSILocal BinariesLocal BinariesASPProd1E:C:C:Master DBTempDBHOE DBASPProd2 SQL Server2008 (physical) SQL ... Application Server nDatabase TierSAP DB SQL Server2008 FIGURE 3.1 SAP multitier architecture with SQLServer as the database layer.the most selected platform for R/3 and SAP application deployments:...
... completion of SQL statements and Remote Procedure Calls (RPCs) as well as key connection information.TSQL Traces the star t of SQL statements and RPCs. This template is useful for debugging ... 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 ... CHAPTER 6 SQLServer ProfilerFIGURE 6.4 Help for data columns on the Events Selection tab.information a column is going to return, you can simply mouse over the column, and Help for that item...
... the latest SQLServer2008 functionality through this provider.. Microsoft OLE DB provider forSQLServer This OLE DB provider, known as SQLOLEDB, is specialized for accessing SQLServer data ... Microsoft ODBC driver forSQLServer This is the ODBC driver distributed with MDAC for accessing SQLServer databases. COM applications can continue to use it to access SQLServer 2008, or they can ... use it to access SQLServer 2008, or they can switch to SQLNCLI for the latest functionality.. Microsoft OLE DB provider for ODBC—This deprecated OLE DB provider, known as MSDASQL, is distributed...
... 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.comptg548 SQL Server 2008 Primary OLTPReporting/ODSOLTP DB SQL Server 2008 Reporting Server Rpt...
... with the ROWGUIDCOL prop-erty, SQLServer automatically uses that column for the row identifier. If not, SQLServer adds a column called rowguid to the table. SQLServer also places an index on ... all changes made on all the servers, based on the rules you configure.Preparing for Merge ReplicationWhen you set up a table for merge replication, SQLServer performs three schema changes to ... possible for conflicts to occur, but they can be resolved. SQL Server Replication TypesMicrosoft has narrowed the field to three major types of data replication approaches within SQL Server: ...
... 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 option for creat-ing ... maintenance of these indexes make up the bulk of this effort.Managing Indexes with T -SQL One of the T -SQL features available with SQLServer2008 is the ALTER INDEX statement. This statement simplifies ... of your data access is essential to creating nonclustered indexes. Fortunately, SQLServer comes with tools such as the SQLServer Profiler and Database Engine Tuning Advisor that can help you...
... as DBCC DBREINDEX, are still available in SQLServer2008for backward compatibility. For more information and guidelines on managing indexes for performance, such as why and when to rebuild ... remained the same in SQLServer2008. Several features that were added in SQLServer 2005, such as cascading integrity constraints, are still supported in SQLServer2008. The lack of change ... enforce data integrity were comprehensive in 2005 and remain so in 2008. Keep in mind that bound defaults, which were deprecated in SQLServer 2005, are still available in SQLServer2008. For...
... provided for backward compatibility with earlier versions of SQLServer that did not support the reuse of execution plans for T -SQL statements or batches. Applications connecting to SQLServer ... quite simple. SQLServer 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, ... system tables in tempdb, which can adversely affect overall system per-formance. For more information on using sp_executesql, see Chapter 44, "Advanced Stored Procedure Programming and Optimization."Executing...
... usage master 1 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 ... Using SQLServer Management StudioOne of the great tools available in the SQLServer 2000 Query Analyzer, the built-in SQL Debugger, was left out of SQLServer Management Studio (SSMS) in SQLServer ... Server 2005. Fortunately, SQLServer2008 brings the T -SQL debugger back to SSMS.The Transact -SQL debugger in SQLServer Management Studio enables you to step through Transact -SQL scripts,...
... Caching35Although SQLServer can also match query plans for ad hoc SQL statements, there are some limitations as to when a plan can be reused. ForSQLServer to match SQL state-ments to existing ... plan for each ad hoc SQL state-ment issued. If no matching execution plan is found, SQLServer is forced to generate a new execution plan for the query.The ability to reuse query plans for ... Caching35The query_hash and query_plan_hash values are new forSQLServer2008. You can use these values to determine the aggregate resource usage for queries that differ only by literal values or...
... processor in SQLServer2008 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 ... partitioned objects.In addition to the performance improvements, query plan information has been improved as well in SQLServer 2008, now providing the following information related to parti-tioned ... streams and gather streams.Parallel Queries on Partitioned Objects SQL Server2008 provides improved query processing performance for partitioned objects when running parallel plans including changes...
... is to capture the batch or statement text from SQLServer Profiler. (See Chapter 6 for more information on using SQLServer Profiler to capture SQL queries.) Also, as with the XML query plans ... “Transact -SQL Programming Guidelines, Tips, and Tricks.”. RECOMPILE—This hint forces SQLServer not to keep the execution plan generated for the query in the plan cache after it executes. This forces ... comparisons. References to functions SQL Server2008 enables you to override the default simple parameterization behavior of SQL Server and provide parameterization for more complex queries by specifying...
... cache hit ratio for all SQL Server activity to evaluate the SQLServer memory configuration, use the Performance Monitor, which is discussed in Chapter 39, “Monitoring SQLServer Performance.”STATISTICS ... does not execute the query but returns execution information for each T -SQL batch as an XML document. The execution plan information for each T -SQL batch is contained in a single XML document. ... 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, SQLServer2008 still...
... later in this chapter. For more information on using Windows Performance Monitor for monitoring SQL Server performance, see Chapter 39, “Monitoring SQLServer Performance.” SQL Server Lock TypesLocking ... Lock Activity in SQL Server 37Viewing Locking Activity with SQLServer ProfilerAnother tool to help you monitor locking activity in SQLServer2008 is SQL Server Profiler. SQLServer Profiler ... you are monitoring a SQLServer2008 named instance rather than a defaultinstance of SQLServer 2008, the SQLServer performance counters are listed underthe name of the SQLServer instance rather...
... Warehouse Wizard, perform the followingtasks on the SQLServer instance where you want to host the MDW:1. Ensure that SQLServer Agent is running (for information on starting SQL Server Agent, see ... for AdventureWorks200 8R2 database.If you want to run reports for any of the monitored servers without having navigate to theData Collection node for each server instance, you can open the server ... bringup that corresponding report for that server. For example, if you click on the link below Server Activity for the LATITUDED830-W7 server, it displays the Server Activity Historyreport, as...