http://blogs.technet.com/francesco_diaz/archive/tags/Tuning/default.aspxTags: Tuningen-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.technet.com/francesco_diaz/archive/2009/04/08/trace-flags.aspxWed, 08 Apr 2009 18:49:35 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3224057Francesco Diaz0http://blogs.technet.com/francesco_diaz/comments/3224057.aspxhttp://blogs.technet.com/francesco_diaz/commentrss.aspx?PostID=3224057<p>Esistono due tipi di trace flags : </p> <ol> <li>di sessione : validi solo per la sessione utente specifica</li> <li>globali : visibili per le tutte le connessioni aperte su quell’istanza</li> </ol> <p>A questo <a href="http://msdn.microsoft.com/en-us/library/ms188396.aspx" target="_blank">link</a> è possibile trovare la lista dei trace flags disponibili per Sql Server 2008 con relativo scope</p><img src="http://blogs.technet.com/aggbug.aspx?PostID=3224057" width="1" height="1">T-SQLSql Server 2008Tuninghttp://blogs.technet.com/francesco_diaz/archive/2009/04/08/sql-server-database-engine-tuning-advisor-funzionalit-non-supportate.aspxWed, 08 Apr 2009 14:23:40 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3223943Francesco Diaz0http://blogs.technet.com/francesco_diaz/comments/3223943.aspxhttp://blogs.technet.com/francesco_diaz/commentrss.aspx?PostID=3223943<p>Il <a href="http://msdn.microsoft.com/en-us/library/ms173494.aspx" target="_blank">Database Engine Tuning Advisor</a> può essere utilizzato per ottimizzare i database di Sql Server. Non tutte le funzionalità sono però supportate a seconda della versione di Sql utilizzata. Di seguito trovate la tabella e il link al documento che ne descrive i dettagli.</p> <form id="aspnetForm" method="post" name="aspnetForm" action="http://msdn.microsoft.com/ms345360.aspx"> <div id="contents"> <div style="height: 514px" id="ctl00_rs1_ra1" class="resizableArea"> <div id="ctl00_rs1_raRight" class="rightSection"> <div class="RightPanel"> <div class="ContentArea"> <div class="topic"> <div id="mainSection"> <div id="mainBody"> <div id="ctl00_rs1_mainContentContainer_cpe607949" class="MTPS_CollapsibleRegion"> <div id="ctl00_rs1_mainContentContainer_cpe607949_h" class="CollapseRegionLink"><strong><font color="#ff0000">Tuning Options Not Supported by Database Engine Tuning Advisor </font></strong></div> <div style="display: block" id="ctl00_rs1_mainContentContainer_cpe607949_c" class="MTPS_CollapsibleSection"><a id="sectionToggle0"></a> <p>The following table lists the unsupported options in detail for Database Engine Tuning Advisor.</p> <h3 class="subHeading"></h3> <table><tbody> <tr> <th>Option </th> <th>SQL Server 2008 Standard edition </th> <th>SQL Server 2005 and SQL Server 2000 Standard editions </th> <th>SQL Server 2000 Enterprise, Developer, and Enterprise Evaluation editions </th> </tr> <tr> <td> <p>Indexes and indexed views <span class="sup">1</span></p> </td> <td> <p>Not supported</p> </td> <td> <p>Not supported</p> </td> <td> <p>Supported</p> </td> </tr> <tr> <td> <p>Indexed views <span class="sup">1</span></p> </td> <td> <p>Not supported</p> </td> <td> <p>Not supported</p> </td> <td> <p>Supported</p> </td> </tr> <tr> <td> <p>Include filtered indexes <span class="sup">2</span></p> </td> <td> <p>Supported</p> </td> <td> <p>Not supported</p> </td> <td> <p>Not supported</p> </td> </tr> <tr> <td> <p>Full partitioning</p> </td> <td> <p>Not supported</p> </td> <td> <p>Not supported</p> </td> <td> <p>Not supported</p> </td> </tr> <tr> <td> <p>Aligned partitioning</p> </td> <td> <p>Not supported</p> </td> <td> <p>Not supported</p> </td> <td> <p>Not supported</p> </td> </tr> <tr> <td> <p>Keep aligned partitioning</p> </td> <td> <p>Not supported</p> </td> <td> <p>Not supported</p> </td> <td> <p>Not supported</p> </td> </tr> <tr> <td> <p>Generate online recommendations where possible</p> </td> <td> <p>Not supported</p> </td> <td> <p>Not supported</p> </td> <td> <p>Not supported</p> </td> </tr> <tr> <td> <p>Generate only online recommendations</p> </td> <td> <p>Not supported</p> </td> <td> <p>Not supported</p> </td> <td> <p>Not supported</p> </td> </tr> </tbody></table> <p><span class="sup">1</span> These options are disabled in the user interface.</p> <p><span class="sup">2</span> Filtered indexes are not supported on any edition before SQL Server 2008.</p> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </form> <p>&#160;</p> <p><strong><font color="#ff0000">Riferimenti utili:</font></strong></p> <p><a title="http://msdn.microsoft.com/en-us/library/ms345360.aspx" href="http://msdn.microsoft.com/en-us/library/ms345360.aspx">http://msdn.microsoft.com/en-us/library/ms345360.aspx</a></p><img src="http://blogs.technet.com/aggbug.aspx?PostID=3223943" width="1" height="1">Sql Server 2008Sql Server 2005Sql Server 2000Tuning