1 <html xmlns:MSHelp="http://msdn.microsoft.com/mshelp" xmlns:mshelp="http://msdn.microsoft.com/mshelp" xmlns:ddue="http://ddue.schemas.microsoft.com/authoring/2003/5" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:msxsl="urn:schemas-microsoft-com:xslt"><head><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=UTF-8" /><META NAME="save" CONTENT="history" /><title>FastStats Method </title><link rel="stylesheet" type="text/css" href="../styles/presentation.css" /><link rel="stylesheet" type="text/css" href="ms-help://Hx/HxRuntime/HxLink.css" /><script type="text/javascript" src="../scripts/EventUtilities.js"> </script><script type="text/javascript" src="../scripts/SplitScreen.js"> </script><script type="text/javascript" src="../scripts/Dropdown.js"> </script><script type="text/javascript" src="../scripts/script_manifold.js"> </script><script type="text/javascript" src="../scripts/script_feedBack.js"> </script><script type="text/javascript" src="../scripts/CheckboxMenu.js"> </script><script type="text/javascript" src="../scripts/CommonUtilities.js"> </script><meta name="container" content="BerkeleyDB" /><meta name="file" content="Overload_BerkeleyDB_HeapDatabase_FastStats" /><meta name="guid" content="Overload_BerkeleyDB_HeapDatabase_FastStats" /><xml><MSHelp:Attr Name="AssetID" Value="Overload:BerkeleyDB.HeapDatabase.FastStats" /><MSHelp:TOCTitle Title="FastStats Method " /><MSHelp:RLTitle Title="HeapDatabase.FastStats Method (BerkeleyDB)" /><MSHelp:Keyword Index="A" Term="Overload:BerkeleyDB.HeapDatabase.FastStats" /><MSHelp:Keyword Index="A" Term="frlrfBerkeleyDBHeapDatabaseClassFastStatsTopic" /><MSHelp:Keyword Index="K" Term="FastStats method" /><MSHelp:Keyword Index="K" Term="HeapDatabase.FastStats method" /><MSHelp:Keyword Index="F" Term="FastStats" /><MSHelp:Keyword Index="F" Term="HeapDatabase.FastStats" /><MSHelp:Keyword Index="F" Term="BerkeleyDB.HeapDatabase.FastStats" /><MSHelp:Attr Name="DevLang" Value="CSharp" /><MSHelp:Attr Name="DevLang" Value="VB" /><MSHelp:Attr Name="DevLang" Value="C++" /><MSHelp:Attr Name="Locale" Value="en-us" /><MSHelp:Attr Name="TopicType" Value="kbSyntax" /><MSHelp:Attr Name="TopicType" Value="apiref" /><MSHelp:Attr Name="AssemblyVersion" Value="5.3.21.0" /></xml></head><body><input type="hidden" id="userDataCache" class="userDataStyle" /><input type="hidden" id="hiddenScrollOffset" /><img id="collapseImage" style="display:none; 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8 </td></tr></table><table id="gradientTable"><tr><td class="nsrBottom" background="../icons/gradient.gif" /></tr></table></div><div id="mainSection"><div id="mainBody"><div id="allHistory" class="saveHistory" onsave="saveAll()" onload="loadAll()" /><span style="color: DarkGray"> </span><div class="summary">
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10 Among other things, this method makes it possible for applications
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11 to request key and record counts without incurring the performance
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12 penalty of traversing the entire database.
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15 The statistical information is described by the
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16 <a href="T_BerkeleyDB_BTreeStats.htm">BTreeStats</a>, <a href="T_BerkeleyDB_HashStats.htm">HashStats</a>,
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17 <a href="T_BerkeleyDB_HeapStats.htm">HeapStats</a>, <a href="T_BerkeleyDB_QueueStats.htm">QueueStats</a>, and
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18 <a href="T_BerkeleyDB_RecnoStats.htm">RecnoStats</a> classes.
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20 </div><h1 class="heading"><span onclick="ExpandCollapse(overloadMembersTableToggle)" style="cursor:default;" onkeypress="ExpandCollapse_CheckKey(overloadMembersTableToggle, event)" tabindex="0"><img id="overloadMembersTableToggle" class="toggle" name="toggleSwitch" src="../icons/collapse_all.gif" />Overload List</span></h1><div id="overloadMembersTableSection" class="section" name="collapseableSection" style=""><table id="memberList" class="members" frame="lhs" cellpadding="2"><col width="10%" /><tr><th class="iconColumn">
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22 </th><th class="nameColumn">Name</th><th class="descriptionColumn">Description</th></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_HeapDatabase_FastStats.htm">FastStats<span class="languageSpecificText"><span class="cs">()</span><span class="cpp">()</span><span class="nu">()</span></span></a></td><td><div class="summary">
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23 Return the database statistical information which does not require
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24 traversal of the database.
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25 </div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_HeapDatabase_FastStats_1.htm">FastStats(Transaction)</a></td><td><div class="summary">
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26 Return the database statistical information which does not require
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27 traversal of the database.
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28 </div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" title="Public method" /></td><td><a href="M_BerkeleyDB_HeapDatabase_FastStats_2.htm">FastStats(Transaction, Isolation)</a></td><td><div class="summary">
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29 Return the database statistical information which does not require
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30 traversal of the database.
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31 </div></td></tr></table></div><h1 class="heading"><span onclick="ExpandCollapse(seeAlsoToggle)" style="cursor:default;" onkeypress="ExpandCollapse_CheckKey(seeAlsoToggle, event)" tabindex="0"><img id="seeAlsoToggle" class="toggle" name="toggleSwitch" src="../icons/collapse_all.gif" />See Also</span></h1><div id="seeAlsoSection" class="section" name="collapseableSection" style=""><div class="seeAlsoStyle"><a href="T_BerkeleyDB_HeapDatabase.htm">HeapDatabase Class</a></div><div class="seeAlsoStyle"><a href="AllMembers_T_BerkeleyDB_HeapDatabase.htm">HeapDatabase Members</a></div><div class="seeAlsoStyle"><a href="N_BerkeleyDB.htm">BerkeleyDB Namespace</a></div></div></div><div id="footer"><div class="footerLine"><img width="100%" height="3px" src="../icons/footer.gif" title="Footer image" /></div><A NAME="feedback"></A><span id="fb" class="feedbackcss"> </span>
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