ï»??xml version="1.0" encoding="utf-8" standalone="yes"?>亚洲第一天堂,欧美日韩亚洲一区二区三区在线观看,夜夜爽夜夜爽精品视频http://www.aygfsteel.com/amenglai/category/48656.htmlž®Þp¿™æ ?é‚£åˆæ€Žä¹ˆæ ?..zh-cnThu, 09 Aug 2012 09:51:09 GMTThu, 09 Aug 2012 09:51:09 GMT60- Oracle é€çñ”汇æ€?/title><link>http://www.aygfsteel.com/amenglai/archive/2012/08/09/385137.html</link><dc:creator>amenglai</dc:creator><author>amenglai</author><pubDate>Thu, 09 Aug 2012 05:50:00 GMT</pubDate><guid>http://www.aygfsteel.com/amenglai/archive/2012/08/09/385137.html</guid><wfw:comment>http://www.aygfsteel.com/amenglai/comments/385137.html</wfw:comment><comments>http://www.aygfsteel.com/amenglai/archive/2012/08/09/385137.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/amenglai/comments/commentRss/385137.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/amenglai/services/trackbacks/385137.html</trackback:ping><description><![CDATA[<div> <p> CREATE TABLE report</p> <p> ( id NUMBER(2),</p> <p> year NUMBER(4),</p> <p> month NUMBER(2),</p> <p> amt NUMBER(3)) ;</p> <p> </p> <p> </p> <p>INSERT INTO report( id, year, month, amt ) VALUES(1, 2011, 1, 110 ) ;</p> <p>INSERT INTO report( id, year, month, amt ) VALUES(1, 2011, 2, 120) ;</p> <p>INSERT INTO report( id, year, month, amt ) VALUES(1, 2011, 3, 130) ;</p> <p>INSERT INTO report( id, year, month, amt ) VALUES(1, 2011, 4, 140) ;</p> <p>INSERT INTO report( id, year, month, amt ) VALUES(1, 2011, 5, 150) ;</p> <p>INSERT INTO report( id, year, month, amt ) VALUES(1, 2011, 6, 160) ;</p> <p>INSERT INTO report( id, year, month, amt ) VALUES(1, 2011, 7, 170) ;</p> <p>INSERT INTO report( id, year, month, amt ) VALUES(1, 2011, 8, 180) ;</p> <p>INSERT INTO report( id, year, month, amt ) VALUES(1, 2011, 9, 190) ;</p> <p>INSERT INTO report( id, year, month, amt ) VALUES(1, 2011, 10, 100) ;</p> <p>INSERT INTO report( id, year, month, amt ) VALUES(1, 2011, 11, 110) ;</p> <p>INSERT INTO report( id, year, month, amt ) VALUES(1, 2011, 12, 110) ;</p> <p>INSERT INTO report( id, year, month, amt ) VALUES(2, 2012, 1, 110 ) ;</p> <p>INSERT INTO report( id, year, month, amt ) VALUES(2, 2012, 2, 120) ;</p> <p>INSERT INTO report( id, year, month, amt ) VALUES(2, 2012, 3, 130) ;</p> <p>INSERT INTO report( id, year, month, amt ) VALUES(2, 2012, 4, 140) ;</p> <p>INSERT INTO report( id, year, month, amt ) VALUES(2, 2012, 5, 150) ;</p> <p>INSERT INTO report( id, year, month, amt ) VALUES(2, 2012, 6, 160) ;</p> <p>INSERT INTO report( id, year, month, amt ) VALUES(2, 2012, 7, 170) ;</p> <p>INSERT INTO report( id, year, month, amt ) VALUES(2, 2012, 8, 180) ;</p> <p>INSERT INTO report( id, year, month, amt ) VALUES(2, 2012, 9, 190) ;</p> <p>INSERT INTO report( id, year, month, amt ) VALUES(2, 2012, 10, 100) ;</p> <p>INSERT INTO report( id, year, month, amt ) VALUES(2, 2012, 11, 110) ;</p> <p>INSERT INTO report( id, year, month, amt ) VALUES(2, 2012, 12, 110) ;<br /> <br /> -- <span style="font-family:宋体;Times New Roman";Times New Roman"">é€çñ”汇æ€?/span></p> <p> </p> <p>select id, year, month, sum(amt) </p> <p> from report </p> <p> group by rollup( id, year, month ) ;</p> <p> </p> <p> ID YEAR MONTH SUM(AMT)</p> <p>---------- ---------- ---------- ----------</p> <p> 1 2011 1 220</p> <p> 1 2011 2 240</p> <p> 1 2011 3 260</p> <p> 1 2011 4 280</p> <p> 1 2011 5 300</p> <p> 1 2011 6 320</p> <p> 1 2011 7 340</p> <p> 1 2011 8 360</p> <p> 1 2011 9 380</p> <p> 1 2011 10 200</p> <p> 1 2011 11 220</p> <p> 1 2011 12 220</p> <p> 1 2011 3340 -- 1, 2011, <span style="font-family:宋体;Times New Roman";Times New Roman"">ž®è®¡</span></p> <p> 1 3340 -- 1, <span style="font-family:宋体;Times New Roman";Times New Roman"">ž®è®¡</span></p> <p> 2 2012 1 110</p> <p> 2 2012 2 120</p> <p> 2 2012 3 130</p> <p> 2 2012 4 140</p> <p> 2 2012 5 150</p> <p> 2 2012 6 160</p> <p> 2 2012 7 170</p> <p> 2 2012 8 180</p> <p> 2 2012 9 190</p> <p> 2 2012 10 100</p> <p> 2 2012 11 110</p> <p> 2 2012 12 110</p> <p> 2 2012 1670 -- 2, 2012, <span style="font-family:宋体;Times New Roman";Times New Roman"">ž®è®¡</span></p> <p> 2 1670 -- 2, <span style="font-family:宋体;Times New Roman";Times New Roman"">ž®è®¡</span></p> <p> 5010 -- 1+2, <span style="font-family:宋体;Times New Roman";Times New Roman"">总计</span></p> <p> </p> <p><span style="font-family:宋体;Times New Roman";Times New Roman"">如果åªè¦æ¯å¹´çš„å°è®?/span>, SQL<span style="font-family:宋体;Times New Roman";Times New Roman"">如下</span></p> <p> </p> <p>select *</p> <p> from (</p> <p>select id, year, month, sum(amt) </p> <p> from report </p> <p> group by rollup( id, year, month ) )</p> <p> where id is not null</p> <p> and year is not null ;</p> <p> </p> <p> ID YEAR MONTH SUM(AMT)</p> <p>---------- ---------- ---------- ----------</p> <p> 1 2011 1 220</p> <p> 1 2011 2 240</p> <p> 1 2011 3 260</p> <p> 1 2011 4 280</p> <p> 1 2011 5 300</p> <p> 1 2011 6 320</p> <p> 1 2011 7 340</p> <p> 1 2011 8 360</p> <p> 1 2011 9 380</p> <p> 1 2011 10 200</p> <p> 1 2011 11 220</p> <p> 1 2011 12 220</p> <p> 1 2011 3340</p> <p> 2 2012 1 110</p> <p> 2 2012 2 120</p> <p> 2 2012 3 130</p> <p> 2 2012 4 140</p> <p> 2 2012 5 150</p> <p> 2 2012 6 160</p> <p> 2 2012 7 170</p> <p> 2 2012 8 180</p> <p> 2 2012 9 190</p> <p> 2 2012 10 100</p> <p> 2 2012 11 110</p> <p> 2 2012 12 110</p> <p> 2 2012 1670</p> <p> </p> </div><img src ="http://www.aygfsteel.com/amenglai/aggbug/385137.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/amenglai/" target="_blank">amenglai</a> 2012-08-09 13:50 <a href="http://www.aygfsteel.com/amenglai/archive/2012/08/09/385137.html#Feedback" target="_blank" style="text-decoration:none;">å‘表评论</a></div>]]></description></item><item><title>代ç 釿ž„refactor的一ç‚ÒŽ„Ÿæƒ?/title><link>http://www.aygfsteel.com/amenglai/archive/2011/05/23/350823.html</link><dc:creator>amenglai</dc:creator><author>amenglai</author><pubDate>Mon, 23 May 2011 06:00:00 GMT</pubDate><guid>http://www.aygfsteel.com/amenglai/archive/2011/05/23/350823.html</guid><wfw:comment>http://www.aygfsteel.com/amenglai/comments/350823.html</wfw:comment><comments>http://www.aygfsteel.com/amenglai/archive/2011/05/23/350823.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/amenglai/comments/commentRss/350823.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/amenglai/services/trackbacks/350823.html</trackback:ping><description><![CDATA[最˜q‘一ŒD‰|—¶é—´åœ¨å?个模å—代ç çš„refactorã€‚ä¸€ä¸ªæ¨¡å—æ˜¯å› äØ“æ€§èƒ½çš„åŽŸå› ï¼Œå¦ä¸€ä¸ªæ¨¡å—æ˜¯å› äØ“å¾ˆçƒ‚çš„æ•°æ®åº“设计åQŒå¯¼è‡´æ•°æ®å¾ˆéš„¡»´æŠ¤ï¼Œòq¶ä¸”也会有潜在的性能问题ã€?br />有很多的感想åQ?br />1. 既然è¦åšrefactoråQŒå°±æ„味原æ¥çš„代ç 肯定有很大的缺陗÷€‚但是å³ä½¿è¿™æ øP¼Œä¹Ÿè¦å…ˆæ˜Ž¼‹®refactorçš„èŒƒå›´ã€‚è€Œä¸æ˜¯å…¨éƒ¨ä¸Šæ¥éƒ½åšrefactoråQŒé‚£æ ·ä¼šå¯ÆD‡´refactorä¸å¯æŽ§ã€‚åŒæ—¶è¿˜è¦åŒºåˆ†å“ªäº›æ˜¯refactoråQŒå“ªäº›æ˜¯new featureåQŒä¸è¦æØœåœ¨ä¸€èµ—÷€?br />2. test case很é‡è¦ã€?br />3. 详细的文档比代ç 实现更é‡è¦ã€‚时间上应该æ˜?åQ?<br />4. 文档应包括:<br /> A å¯ÒŽ—§¾pÈ»Ÿä¸šåŠ¡é€»è¾‘çš„åˆ†æžï¼Œä»¥åŠå˜åœ¨çš„é—®é¢?br /> B æ–°ç³»¾lŸä¸šåŠ¡é€»è¾‘çš„åˆ†æžï¼Œå¯¹åº”的改善方æ³?br /> C new designåQšDBåQ?architecture<br /> D 旧有¾pÈ»Ÿéœ€è¦æ”¹å–„的功能ç‚?br />5. å†çƒ‚的系¾lŸä¹Ÿä¸æ˜¯ä¸€æ— 是处,所以尽é‡ä¸è¦å…¨ç›˜å¦å®šã€?br /> <img src ="http://www.aygfsteel.com/amenglai/aggbug/350823.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/amenglai/" target="_blank">amenglai</a> 2011-05-23 14:00 <a href="http://www.aygfsteel.com/amenglai/archive/2011/05/23/350823.html#Feedback" target="_blank" style="text-decoration:none;">å‘表评论</a></div>]]></description></item><item><title> win7 下安è£?Microsoft Web Application Stress Tool http://www.aygfsteel.com/amenglai/archive/2011/04/22/348811.htmlamenglaiamenglaiFri, 22 Apr 2011 08:10:00 GMThttp://www.aygfsteel.com/amenglai/archive/2011/04/22/348811.htmlhttp://www.aygfsteel.com/amenglai/comments/348811.htmlhttp://www.aygfsteel.com/amenglai/archive/2011/04/22/348811.html#Feedback1http://www.aygfsteel.com/amenglai/comments/commentRss/348811.htmlhttp://www.aygfsteel.com/amenglai/services/trackbacks/348811.html在网上找了N多个版本åQŒå“ŽåQŒå®³äººå•Šã€?br />
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