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Yasuhiro KIMURA 923a4cd4e6 Update to 18.1.32
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Specify the degree of isolation for transactional operations
</div><p />
<b>Namespace:</b>
 <a href="N_BerkeleyDB.htm">BerkeleyDB</a><br />
<b>Assembly:</b>
 <span sdata="assembly">libdb_dotnet181</span> (in libdb_dotnet181.dll) Version: 18.1.32.0<h1 class="heading"><span onclick="ExpandCollapse(syntaxToggle)" style="cursor:default;" onkeypress="ExpandCollapse_CheckKey(syntaxToggle, event)" tabindex="0"><img id="syntaxToggle" class="toggle" name="toggleSwitch" src="../icons/collapse_all.gif" />Syntax</span></h1><div id="syntaxSection" class="section" name="collapseableSection" style=""><div id="syntaxCodeBlocks" class="code"><span codeLanguage="CSharp"><table><tr><th>C#</th></tr><tr><td><pre xml:space="preserve"><span class="keyword">public</span> <span class="keyword">enum</span> <span class="identifier">Isolation</span></pre></td></tr></table></span><span codeLanguage="VisualBasicDeclaration"><table><tr><th>Visual Basic (Declaration)</th></tr><tr><td><pre xml:space="preserve"><span class="keyword">Public</span> <span class="keyword">Enumeration</span> <span class="identifier">Isolation</span></pre></td></tr></table></span><span codeLanguage="ManagedCPlusPlus"><table><tr><th>Visual C++</th></tr><tr><td><pre xml:space="preserve"><span class="keyword">public</span> <span class="keyword">enum class</span> <span class="identifier">Isolation</span></pre></td></tr></table></span></div></div><div id="enumerationSection"><h1 class="heading"><span onclick="ExpandCollapse(membersToggle)" style="cursor:default;" onkeypress="ExpandCollapse_CheckKey(membersToggle, event)" tabindex="0"><img id="membersToggle" class="toggle" name="toggleSwitch" src="../icons/collapse_all.gif" />Members</span></h1><div id="membersSection" class="section" name="collapseableSection" style=""><table class="members" id="memberList" frame="lhs" cellpadding="2"><col width="10%" /><tr><th class="iconColumn" /><th class="nameColumn">Member name</th><th class="descriptionColumn">Description</th></tr><tr><td /><td target="F:BerkeleyDB.Isolation.DEGREE_ONE"><span class="selflink">DEGREE_ONE</span></td><td><div class="summary">
Read operations on the database may request the return of modified
but not yet committed data.
</div></td></tr><tr><td /><td target="F:BerkeleyDB.Isolation.DEGREE_TWO"><span class="selflink">DEGREE_TWO</span></td><td><div class="summary">
Provide for cursor stability but not repeatable reads. Data items
which have been previously read by a transaction may be deleted or
modified by other transactions before the original transaction
completes.
</div></td></tr><tr><td /><td target="F:BerkeleyDB.Isolation.DEGREE_THREE"><span class="selflink">DEGREE_THREE</span></td><td><div class="summary">
For the life of the transaction, every time a thread of control
reads a data item, it is unchanged from its previous value
(assuming, of course, the thread of control does not itself modify
the item). This is Berkeley DB's default degree of isolation.
</div></td></tr></table></div></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="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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