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<td colspan="3"><h1>SAConnection::setIsolationLevel</h1></td>
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<p><font face="Arial"><b> void setIsolationLevel(SAIsolationLevel_t</b><STRONG>
</STRONG>eIsolationLevel<b> );</b><b> <BR>throw (SAException);</b></font></p>
<p>
Sets the transaction isolation
level.
</p>
<H3>Parameters</H3>
<P><EM>eIsolationLevel.</EM> One of the following
values from <STRONG>SAIsolationLevel_t</STRONG>
enum:</P>
<UL>
<LI><STRONG>SA_ReadUncommitted</STRONG>
Read uncommitted.
<LI><STRONG>SA_ReadCommitted</STRONG>
Read committed.
<LI><STRONG>SA_RepeatableRead</STRONG>
Repeatable read.
<LI><STRONG>SA_Serializable</STRONG>
Serializable.
</LI>
</UL>
<h3>Remarks</h3>
<P>Sets the transaction isolation level.</P>
<P>SQL-92 defines four isolation levels, all of
which are supported by SQLAPI++:</P>
<UL>
<LI>Read uncommitted (the lowest level
where transactions are isolated just enough to ensure that
physically corrupt data is not read)
<LI>Read committed
<LI>Repeatable read
<LI>Serializable (the highest level, where transactions are
completely isolated from one another)</LI></UL>
<P>See <STRONG>Server specific notes</STRONG> for information about
how SQLAPI++ maps different isolation levels on a specified
DBMS.</P>
<P>Note that if you change isolation level it causes implicit commit
for this connection. </P>
<h3>Server specific notes</h3>
<p>
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<p><STRONG><A
href="../ServerSpecific/Oracle.html" title="Oracle server specific information">Oracle</A></STRONG></p></td>
<td>
<P><STRONG>SA_ReadUncommitted</STRONG> = 'READ
COMMITTED'<BR><STRONG>SA_ReadCommitted</STRONG> = 'READ
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