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]]>- ORACLE门事�/title><link>http://www.aygfsteel.com/javajohn/archive/2008/05/09/199526.html</link><dc:creator>javajohn</dc:creator><author>javajohn</author><pubDate>Fri, 09 May 2008 07:58:00 GMT</pubDate><guid>http://www.aygfsteel.com/javajohn/archive/2008/05/09/199526.html</guid><wfw:comment>http://www.aygfsteel.com/javajohn/comments/199526.html</wfw:comment><comments>http://www.aygfsteel.com/javajohn/archive/2008/05/09/199526.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/javajohn/comments/commentRss/199526.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/javajohn/services/trackbacks/199526.html</trackback:ping><description><![CDATA[
<div style="BORDER-RIGHT: #cccccc 1px solid; PADDING-RIGHT: 5px; BORDER-TOP: #cccccc 1px solid; PADDING-LEFT: 4px; FONT-SIZE: 13px; PADDING-BOTTOM: 4px; BORDER-LEFT: #cccccc 1px solid; WIDTH: 98%; WORD-BREAK: break-all; PADDING-TOP: 4px; BORDER-BOTTOM: #cccccc 1px solid; BACKGROUND-COLOR: #eeeeee">
<img id="Codehighlighter1_0_58_Open_Image" onclick="this.style.display='none'; Codehighlighter1_0_58_Open_Text.style.display='none'; Codehighlighter1_0_58_Closed_Image.style.display='inline'; Codehighlighter1_0_58_Closed_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedBlockStart.gif" align="top" />
<img id="Codehighlighter1_0_58_Closed_Image" style="DISPLAY: none" onclick="this.style.display='none'; Codehighlighter1_0_58_Closed_Text.style.display='none'; Codehighlighter1_0_58_Open_Image.style.display='inline'; Codehighlighter1_0_58_Open_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ContractedBlock.gif" align="top" />
<span id="Codehighlighter1_0_58_Closed_Text" style="BORDER-RIGHT: #808080 1px solid; BORDER-TOP: #808080 1px solid; DISPLAY: none; BORDER-LEFT: #808080 1px solid; BORDER-BOTTOM: #808080 1px solid; BACKGROUND-COLOR: #ffffff">/**/</span>
<span id="Codehighlighter1_0_58_Open_Text">
<span style="COLOR: #008080">/*</span>
<span style="COLOR: #008080"> Formatted on 2008/05/31 12:29 (Formatter Plus v4.8.8) </span>
<span style="COLOR: #008080">*/</span>
</span>
<span style="COLOR: #000000">
<br />
<img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />MERGEÂ </span>
<span style="COLOR: #0000ff">INTO</span>
<span style="COLOR: #000000"> copy_emp a<br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />   USING employees b<br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />   </span>
<span style="COLOR: #0000ff">ON</span>
<span style="COLOR: #000000"> (b.employee_id </span>
<span style="COLOR: #808080">=</span>
<span style="COLOR: #000000">Â a.employee_id)<br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />Â Â Â </span>
<span style="COLOR: #0000ff">WHEN</span>
<span style="COLOR: #000000">Â MATCHEDÂ </span>
<span style="COLOR: #0000ff">THEN</span>
<span style="COLOR: #000000">
<br />
<img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />Â Â Â Â Â Â </span>
<span style="COLOR: #0000ff">UPDATE</span>
<span style="COLOR: #000000">
<br />
<img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />Â Â Â Â Â Â Â Â Â </span>
<span style="COLOR: #0000ff">SET</span>
<span style="COLOR: #000000"> a.employee_id </span>
<span style="COLOR: #808080">=</span>
<span style="COLOR: #000000"> b.employee_id, a.first_name </span>
<span style="COLOR: #808080">=</span>
<span style="COLOR: #000000"> b.first_name,<br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />             a.last_name </span>
<span style="COLOR: #808080">=</span>
<span style="COLOR: #000000"> b.last_name, a.email </span>
<span style="COLOR: #808080">=</span>
<span style="COLOR: #000000"> b.email,<br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />             a.phone_number </span>
<span style="COLOR: #808080">=</span>
<span style="COLOR: #000000"> b.phone_number, a.hire_date </span>
<span style="COLOR: #808080">=</span>
<span style="COLOR: #000000"> b.hire_date,<br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />             a.job_id </span>
<span style="COLOR: #808080">=</span>
<span style="COLOR: #000000"> b.job_id, a.salary </span>
<span style="COLOR: #808080">=</span>
<span style="COLOR: #000000"> b.salary,<br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />             a.commission_pct </span>
<span style="COLOR: #808080">=</span>
<span style="COLOR: #000000"> b.commission_pct, a.manager_id </span>
<span style="COLOR: #808080">=</span>
<span style="COLOR: #000000"> b.manager_id,<br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />             a.department_id </span>
<span style="COLOR: #808080">=</span>
<span style="COLOR: #000000">Â b.department_id<br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />Â Â Â </span>
<span style="COLOR: #0000ff">WHEN</span>
<span style="COLOR: #000000">Â </span>
<span style="COLOR: #808080">NOT</span>
<span style="COLOR: #000000">Â MATCHEDÂ </span>
<span style="COLOR: #0000ff">THEN</span>
<span style="COLOR: #000000">
<br />
<img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />Â Â Â Â Â Â </span>
<span style="COLOR: #0000ff">INSERT</span>
<span style="COLOR: #000000">
<br />
<img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />Â Â Â Â Â Â </span>
<span style="COLOR: #0000ff">VALUES</span>
<span style="COLOR: #000000"> (b.employee_id, b.first_name, b.last_name, b.email,<br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />              b.phone_number, b.hire_date, b.job_id, b.salary,<br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />              b.commission_pct, b.manager_id, b.department_id);</span>
</div>
<p>Â </p>
<div style="BORDER-RIGHT: #cccccc 1px solid; PADDING-RIGHT: 5px; BORDER-TOP: #cccccc 1px solid; PADDING-LEFT: 4px; FONT-SIZE: 13px; PADDING-BOTTOM: 4px; BORDER-LEFT: #cccccc 1px solid; WIDTH: 98%; WORD-BREAK: break-all; PADDING-TOP: 4px; BORDER-BOTTOM: #cccccc 1px solid; BACKGROUND-COLOR: #eeeeee">
<img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />
<span style="COLOR: #000000">故事ž®Þp¿™æ ·å‘生了åQ?br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" /></span>
<span style="FONT-WEIGHT: bold; COLOR: #800000">1</span>
<span style="COLOR: #000000">.åˆ é™¤é‡å¤è®°å½•<br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />查出é‡å¤è®°å½•<br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />SQL</span>
<span style="COLOR: #808080">></span>
<span style="COLOR: #000000">Â </span>
<span style="COLOR: #0000ff">select</span>
<span style="COLOR: #000000"> rowid,bm,mc </span>
<span style="COLOR: #0000ff">from</span>
<span style="COLOR: #000000"> a </span>
<span style="COLOR: #0000ff">where</span>
<span style="COLOR: #000000">Â a.rowid</span>
<span style="COLOR: #808080">!=</span>
<span style="COLOR: #000000">(</span>
<span style="COLOR: #0000ff">select</span>
<span style="COLOR: #000000">Â </span>
<span style="COLOR: #ff00ff">max</span>
<span style="COLOR: #000000">(rowid)Â </span>
<span style="COLOR: #0000ff">from</span>
<span style="COLOR: #000000"> a b </span>
<span style="COLOR: #0000ff">where</span>
<span style="COLOR: #000000">Â a.bm</span>
<span style="COLOR: #808080">=</span>
<span style="COLOR: #000000">b.bm </span>
<span style="COLOR: #808080">and</span>
<span style="COLOR: #000000">Â a.mc</span>
<span style="COLOR: #808080">=</span>
<span style="COLOR: #000000">b.mc);<br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />åˆ é™¤é‡å¤è®°å½•<br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />SQL</span>
<span style="COLOR: #808080">></span>
<span style="COLOR: #000000">Â </span>
<span style="COLOR: #0000ff">delete</span>
<span style="COLOR: #000000">Â </span>
<span style="COLOR: #0000ff">from</span>
<span style="COLOR: #000000"> a a </span>
<span style="COLOR: #0000ff">where</span>
<span style="COLOR: #000000">Â a.rowid</span>
<span style="COLOR: #808080">!=</span>
<span style="COLOR: #000000">(</span>
<span style="COLOR: #0000ff">select</span>
<span style="COLOR: #000000">Â </span>
<span style="COLOR: #ff00ff">max</span>
<span style="COLOR: #000000">(rowid)Â </span>
<span style="COLOR: #0000ff">from</span>
<span style="COLOR: #000000"> a b </span>
<span style="COLOR: #0000ff">where</span>
<span style="COLOR: #000000">Â a.bm</span>
<span style="COLOR: #808080">=</span>
<span style="COLOR: #000000">b.bm </span>
<span style="COLOR: #808080">and</span>
<span style="COLOR: #000000">Â a.mc</span>
<span style="COLOR: #808080">=</span>
<span style="COLOR: #000000">b.mc);<br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" /></span>
</div>
<div style="BORDER-RIGHT: #cccccc 1px solid; PADDING-RIGHT: 5px; BORDER-TOP: #cccccc 1px solid; PADDING-LEFT: 4px; FONT-SIZE: 13px; PADDING-BOTTOM: 4px; BORDER-LEFT: #cccccc 1px solid; WIDTH: 98%; WORD-BREAK: break-all; PADDING-TOP: 4px; BORDER-BOTTOM: #cccccc 1px solid; BACKGROUND-COLOR: #eeeeee">
<img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />
<span style="COLOR: #000000">查找é‡å¤è®°å½•2åQ?/span>
<span style="COLOR: #0000ff">select</span>
<span style="COLOR: #000000">Â </span>
<span style="COLOR: #0000ff">column</span>
<span style="COLOR: #000000">Â </span>
<span style="COLOR: #0000ff">from</span>
<span style="COLOR: #000000">Â </span>
<span style="COLOR: #0000ff">table</span>
<span style="COLOR: #000000">Â </span>
<span style="COLOR: #0000ff">group</span>
<span style="COLOR: #000000">Â </span>
<span style="COLOR: #0000ff">by</span>
<span style="COLOR: #000000"> clolumn </span>
<span style="COLOR: #0000ff">having</span>
<span style="COLOR: #000000">Â </span>
<span style="COLOR: #ff00ff">count</span>
<span style="COLOR: #000000">(</span>
<span style="COLOR: #808080">*</span>
<span style="COLOR: #000000">)</span>
<span style="COLOR: #808080">></span>
<span style="FONT-WEIGHT: bold; COLOR: #800000">1</span>
</div>
<br />
<div style="BORDER-RIGHT: #cccccc 1px solid; PADDING-RIGHT: 5px; BORDER-TOP: #cccccc 1px solid; PADDING-LEFT: 4px; FONT-SIZE: 13px; PADDING-BOTTOM: 4px; BORDER-LEFT: #cccccc 1px solid; WIDTH: 98%; WORD-BREAK: break-all; PADDING-TOP: 4px; BORDER-BOTTOM: #cccccc 1px solid; BACKGROUND-COLOR: #eeeeee">
<strong>关于 FROM a,b �a LEFT JOIN b 的区�/strong>
<img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />
<span style="COLOR: #000000">
<br />
<img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />
<br />¾l™ä¸ªé€šä¿—的解释å§. <br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />例表a <br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />aid adate <br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" /></span>
<span style="COLOR: #000000">1</span>
<span style="COLOR: #000000">Â a1Â <br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" /></span>
<span style="COLOR: #000000">2</span>
<span style="COLOR: #000000">Â a2Â <br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" /></span>
<span style="COLOR: #000000">3</span>
<span style="COLOR: #000000"> a3 <br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />表b <br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />bid bdate <br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" /></span>
<span style="COLOR: #000000">1</span>
<span style="COLOR: #000000">Â b1Â <br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" /></span>
<span style="COLOR: #000000">2</span>
<span style="COLOR: #000000">Â b2Â <br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" /></span>
<span style="COLOR: #000000">4</span>
<span style="COLOR: #000000"> b4 <br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />两个表a,b相连æŽ?è¦å–出id相åŒçš„å—ŒDµÂ?br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />select </span>
<span style="COLOR: #000000">*</span>
<span style="COLOR: #000000"> from a ,b where a.aid </span>
<span style="COLOR: #000000">=</span>
<span style="COLOR: #000000"> b.bid˜q™æ˜¯ä»…å–出匹é…çš„æ•°æ®. <br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />æ¤æ—¶çš„å–出的æ˜? <br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" /></span>
<span style="COLOR: #000000">1</span>
<span style="COLOR: #000000">Â a1Â b1Â <br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" /></span>
<span style="COLOR: #000000">2</span>
<span style="COLOR: #000000"> a2 b2 <br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />那么left join � <br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />select </span>
<span style="COLOR: #000000">*</span>
<span style="COLOR: #000000"> from a left join b on a.aid </span>
<span style="COLOR: #000000">=</span>
<span style="COLOR: #000000"> b.bid <br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />首先å–出a表ä¸æ‰€æœ‰æ•°æ?然åŽå†åŠ 上与a,b匚w…çš„çš„æ•°æ®Â <br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />æ¤æ—¶çš„å–出的æ˜? <br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" /></span>
<span style="COLOR: #000000">1</span>
<span style="COLOR: #000000">Â a1Â b1Â <br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" /></span>
<span style="COLOR: #000000">2</span>
<span style="COLOR: #000000">Â a2Â b2Â <br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" /></span>
<span style="COLOR: #000000">3</span>
<span style="COLOR: #000000"> a3 ½Iºå—½W¦Â?br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />åŒæ ·çš„也有right join <br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />指的是首先å–出b表ä¸æ‰€æœ‰æ•°æ?然åŽå†åŠ 上与a,b匚w…çš„çš„æ•°æ®Â <br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />æ¤æ—¶çš„å–出的æ˜? <br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" /></span>
<span style="COLOR: #000000">1</span>
<span style="COLOR: #000000">Â a1Â b1Â <br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" /></span>
<span style="COLOR: #000000">2</span>
<span style="COLOR: #000000">Â a2Â b2Â <br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" /></span>
<span style="COLOR: #000000">4</span>
<span style="COLOR: #000000"> ½Iºå—½W¦Â b4<br /><br /><strong>left outer join=left join</strong></span>
</div>
<br />
<div style="BORDER-RIGHT: #cccccc 1px solid; PADDING-RIGHT: 5px; BORDER-TOP: #cccccc 1px solid; PADDING-LEFT: 4px; FONT-SIZE: 13px; PADDING-BOTTOM: 4px; BORDER-LEFT: #cccccc 1px solid; WIDTH: 98%; WORD-BREAK: break-all; PADDING-TOP: 4px; BORDER-BOTTOM: #cccccc 1px solid; BACKGROUND-COLOR: #eeeeee">获å–所有å节点<img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" /><br /><span style="COLOR: #0000ff">SELECT</span><span style="COLOR: #000000"> r_org.</span><span style="COLOR: #808080">*</span><span style="COLOR: #000000">, dor.dealer_id<br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />  </span><span style="COLOR: #0000ff">FROM</span><span style="COLOR: #000000"> (</span><span style="COLOR: #0000ff">SELECT</span><span style="COLOR: #000000"> connect_by_root org_id </span><span style="COLOR: #0000ff">AS</span><span style="COLOR: #000000"> root_org_id,<br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />               connect_by_root org_code </span><span style="COLOR: #0000ff">AS</span><span style="COLOR: #000000"> root_org_code,<br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />               connect_by_root org_name </span><span style="COLOR: #0000ff">AS</span><span style="COLOR: #000000"> root_org_name,<br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />               org_id,<br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />               org_code,<br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />               org_name<br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />          </span><span style="COLOR: #0000ff">FROM</span><span style="COLOR: #000000"> tm_org<br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />         START </span><span style="COLOR: #0000ff">WITH</span><span style="COLOR: #000000"> org_code </span><span style="COLOR: #808080">LIKE</span><span style="COLOR: #000000"> </span><span style="COLOR: #ff0000">'</span><span style="COLOR: #ff0000">NSC%</span><span style="COLOR: #ff0000">'</span><span style="COLOR: #000000"><br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />        CONNECT </span><span style="COLOR: #0000ff">BY</span><span style="COLOR: #000000"> PRIOR org_id </span><span style="COLOR: #808080">=</span><span style="COLOR: #000000"> parent_org_id) r_org,<br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />       tm_dealer_org_relation dor<br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" /> </span><span style="COLOR: #0000ff">WHERE</span><span style="COLOR: #000000"> r_org.org_id </span><span style="COLOR: #808080">=</span><span style="COLOR: #000000"> dor.org_id<br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" /></span></div>
<div style="BORDER-RIGHT: #cccccc 1px solid; PADDING-RIGHT: 5px; BORDER-TOP: #cccccc 1px solid; PADDING-LEFT: 4px; FONT-SIZE: 13px; PADDING-BOTTOM: 4px; BORDER-LEFT: #cccccc 1px solid; WIDTH: 98%; WORD-BREAK: break-all; PADDING-TOP: 4px; BORDER-BOTTOM: #cccccc 1px solid; BACKGROUND-COLOR: #eeeeee">
<img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />
<span style="COLOR: #000000">sybaseæ•°æ®åº“分™åµsqlåQ?br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" /></span>
<span style="COLOR: #808080">============================</span>
<span style="COLOR: #000000">
<br />
<img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />
</span>
<span style="COLOR: #0000ff">set</span>
<span style="COLOR: #000000">Â </span>
<span style="COLOR: #0000ff">rowcount</span>
<span style="COLOR: #000000">Â </span>
<span style="FONT-WEIGHT: bold; COLOR: #800000">3</span>
<span style="COLOR: #000000">(当å‰è®°å½•æ•?/span>
<span style="COLOR: #808080">=</span>
<span style="COLOR: #000000">当剙åëŠ </span>
<span style="COLOR: #808080">*</span>
<span style="COLOR: #000000">æ¯é¡µæ˜„¡¤ºæ¡æ•°)<br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" /></span>
<span style="COLOR: #0000ff">select</span>
<span style="COLOR: #000000"> id </span>
<span style="COLOR: #0000ff">into</span>
<span style="COLOR: #000000"> #lishi_operation </span>
<span style="COLOR: #0000ff">from</span>
<span style="COLOR: #000000"> operation a </span>
<span style="COLOR: #0000ff">order</span>
<span style="COLOR: #000000">Â </span>
<span style="COLOR: #0000ff">by</span>
<span style="COLOR: #000000"> a.id </span>
<span style="COLOR: #0000ff">asc</span>
<span style="COLOR: #000000">
<br />
<img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />
</span>
<span style="COLOR: #0000ff">set</span>
<span style="COLOR: #000000">Â </span>
<span style="COLOR: #0000ff">rowcount</span>
<span style="COLOR: #000000">Â </span>
<span style="FONT-WEIGHT: bold; COLOR: #800000">5</span>
<span style="COLOR: #000000">(æ¯é¡µæ˜„¡¤ºæ¡æ•°)<br /><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" /></span>
<span style="COLOR: #0000ff">select</span>
<span style="COLOR: #000000">Â </span>
<span style="COLOR: #808080">*</span>
<span style="COLOR: #000000">Â </span>
<span style="COLOR: #0000ff">from</span>
<span style="COLOR: #000000"> operation a </span>
<span style="COLOR: #0000ff">where</span>
<span style="COLOR: #000000"> a.id </span>
<span style="COLOR: #808080">not</span>
<span style="COLOR: #000000">Â </span>
<span style="COLOR: #808080">in</span>
<span style="COLOR: #000000">(</span>
<span style="COLOR: #0000ff">select</span>
<span style="COLOR: #000000"> id </span>
<span style="COLOR: #0000ff">from</span>
<span style="COLOR: #000000">Â #lishi_operation)Â </span>
<span style="COLOR: #0000ff">order</span>
<span style="COLOR: #000000">Â </span>
<span style="COLOR: #0000ff">by</span>
<span style="COLOR: #000000"> a.id </span>
<span style="COLOR: #0000ff">asc</span>
<span style="COLOR: #000000">
<br />
<img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />
</span>
<span style="COLOR: #0000ff">set</span>
<span style="COLOR: #000000">Â </span>
<span style="COLOR: #0000ff">rowcount</span>
<span style="COLOR: #000000">Â </span>
<span style="FONT-WEIGHT: bold; COLOR: #800000">0</span>
<span style="COLOR: #000000">
<br />
<img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" />
</span>
<span style="COLOR: #0000ff">drop</span>
<span style="COLOR: #000000">Â </span>
<span style="COLOR: #0000ff">table</span>
<span style="COLOR: #000000">Â #lishi_operation</span>
</div>
<img src ="http://www.aygfsteel.com/javajohn/aggbug/199526.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/javajohn/" target="_blank">javajohn</a> 2008-05-09 15:58 <a href="http://www.aygfsteel.com/javajohn/archive/2008/05/09/199526.html#Feedback" target="_blank" style="text-decoration:none;">å‘表评论</a></div>]]></description></item><item><title>apache dbcpæ•°æ®åº“è¿žæŽ¥æ± çš„ä‹Éç”?/title><link>http://www.aygfsteel.com/javajohn/archive/2006/07/17/58532.html</link><dc:creator>javajohn</dc:creator><author>javajohn</author><pubDate>Mon, 17 Jul 2006 03:19:00 GMT</pubDate><guid>http://www.aygfsteel.com/javajohn/archive/2006/07/17/58532.html</guid><wfw:comment>http://www.aygfsteel.com/javajohn/comments/58532.html</wfw:comment><comments>http://www.aygfsteel.com/javajohn/archive/2006/07/17/58532.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://www.aygfsteel.com/javajohn/comments/commentRss/58532.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/javajohn/services/trackbacks/58532.html</trackback:ping><description><![CDATA[ 摘è¦: 1
public
Â
class
 DaoUtilÂ
{
  2
  3
   Â
/**Â */
... <a href='http://www.aygfsteel.com/javajohn/archive/2006/07/17/58532.html'>阅读全文</a><img src ="http://www.aygfsteel.com/javajohn/aggbug/58532.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/javajohn/" target="_blank">javajohn</a> 2006-07-17 11:19 <a href="http://www.aygfsteel.com/javajohn/archive/2006/07/17/58532.html#Feedback" target="_blank" style="text-decoration:none;">å‘表评论</a></div>]]></description></item><item><title>Oracle新手指å—http://www.aygfsteel.com/javajohn/archive/2006/03/30/38204.htmljavajohnjavajohnThu, 30 Mar 2006 02:18:00 GMThttp://www.aygfsteel.com/javajohn/archive/2006/03/30/38204.htmlhttp://www.aygfsteel.com/javajohn/comments/38204.htmlhttp://www.aygfsteel.com/javajohn/archive/2006/03/30/38204.html#Feedback0http://www.aygfsteel.com/javajohn/comments/commentRss/38204.htmlhttp://www.aygfsteel.com/javajohn/services/trackbacks/38204.htmlhttp://www.ee82.com/htm/oracle/22.asp
1ã€ORAåQ?/span>12541åQšTNSåQšæ²¡æœ‰ç›‘å¬å™¨
ã€€ã€€åŽŸå› åQšæ²¡æœ‰å¯åŠ¨ç›‘å¬å™¨æˆ–者监å¬å™¨æŸå。如果是å‰è€…，使用命ä×onet start OracleOraHome81TNSListeneråQˆåå—å¯èƒ½æœ‰å‡ºå…¥åQ‰å³å¯ï¼›å¦‚果是åŽè€…，则ä‹É用“Net8 Configuration Assistantâ€å·¥å…·å‘å¯ég¹‹â€œç›‘å¬ç¨‹åºé…¾|®â€å¢žåŠ 一个监å¬å™¨å›_¯åQˆåŸºæœ¬ä¸ç”¨å†™ä»ÖM½•ä¿¡æ¯åQŒä¸€è·¯OK。在æ·ÕdŠ 之å‰å¯èƒ½éœ€è¦æŠŠæ‰€æœ‰çš„监å¬å™¨å…ˆåˆ 除åQ）
2ã€ORAåQ?/span>12500åQšTNSåQšç›‘å¬ç¨‹åºæ— 法å¯åŠ¨ä¸“用æœåŠ¡å™¨˜q›ç¨‹
　　æˆ?br />　 ORAåQ?/span>12560åQšTNSåQšå议适é…器错è¯?br />
ã€€ã€€åŽŸå› åQšORACLEçš„æ•°æ®åº“æœåŠ¡æ²¡æœ‰å¯åŠ¨ã€‚ä‹É用命令net start ORACLESERVICEORADBåQˆORADB为数æ®åº“åå—åQ‰å³å¯ã€‚如果ä»æ²¡æœ‰è§£å†³åQŒè¯·¾l§ç®‹å‘下看ã€?br />
3ã€å¦‚果数æ®åº“æœåŠ¡å¯åŠ¨å¤ÞpÓ|åQŒåˆ™å¾ˆæœ‰å¯èƒ½æ˜¯å…¶æ³¨å†Œè¡¨é¡¹å€¼æŸå，最好的åšæ³•æ˜¯ä»¥ä¸‹ä¸¤æ¥ï¼š
　　1åQ‰ORADIM -DELETE -SID oradbÂ åˆ é™¤æ•°æ®åº“æœåŠ¡é¡¹
　　2åQ‰ORADIM -NEW -SID oradb 新增数æ®åº“æœåŠ¡é¡¹
　　注：˜q™ä¸ª˜q‡ç¨‹ä¸å¦‚果出错，ž®±é‡å¯è®¡½Ž—机åQ?br />
4ã€ORAåQ?/span>12154åQšTNSåQšèƒ½è§£æžæœåŠ¡å?br />
ã€€ã€€åŽŸå› åQšORACLE的网¾lœæœåŠ¡å没有æ£ç¡®é…置。请使用“Net8 Configuration Assistantâ€å·¥å…·å‘å¯ég¹‹â€œæœ¬åœ°ç½‘¾lœæœåŠ¡åé…ç½®â€é…¾|®TNSå›_¯ã€‚如果ä»æ²¡æœ‰è§£å†³åQŒè¯·¾l§ç®‹å‘下看ã€?br />
5ã€ORAåQ?/span>1034 åQšTNSåQšORACLEä¸å¯ç”?br />
ã€€ã€€åŽŸå› åQšORACLEçš„æ•°æ®åº“æœåŠ¡æ£ç¡®å¯åŠ¨åQŒä½†æ˜¯æ•°æ®åº“没有打开åQ?br />
　　使用命ä×oåQ?br />
　　1åQ‰svrmgrl å¯åŠ¨æœåŠ¡½Ž¡ç†å™?br />　　2åQ‰connect internal 以internalíw«ä†¾ç™»é™†
　　3åQ‰startup 打开数æ®åº?br />
6ã€ORAåQ?/span>12560åQšTNSåQšå议适é…器错误（™å½å›ºæ€§çš„åQ?br />
ã€€ã€€åŽŸå› åQšæœªçŸ¥ã€?br />
　　解决åQšå¿…æ€æŠ€åQï¼æ‰“开“Windowsä»ÕdŠ¡½Ž¡ç†å™¨â€ï¼Œæ€æ»ORACLE.exeåŠORADIM.exe˜q›ç¨‹åQŒä¹¦å†™è‡ªå·Þqš„ora_startup.batåQŒæ‰§è¡Œä¹‹åQ?br />
PSåQ?br />
1ã€æˆ‘çš„ora_startup.batåQ?br />
net start OracleOraHome81TNSListener
net start ORACLESERVICEORADB
svrmgrl 一般情况下ä¸ç”¨åQŒä¸˜q‡æœ‰æ—¶å°‘ä¸äº†å®ƒçš„åQŒå…·ä½“æ¥éª¤è§½W?æ¥ã€?br />
2ã€æˆ‘çš„ora_shutdown.batåQ?br />
net stop OracleOraHome81TNSListener
net stop ORACLESERVICEORADB
3ã€ORACLE相关æœåŠ¡å请å‚è§â€œç®¡ç†å·¥å…·â€ä¹‹â€œæœåŠ¡â€ä¸ä»¥ORACLE开头的æœåŠ¡åã€?/span>
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