锘??xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>&#20037;&#20037;&#20037;&#20037;&#19968;&#21306;&#44;&#22806;&#22269;&#31934;&#21697;&#35270;&#39057;&#22312;&#32447;&#35266;&#30475;&#44;&#26085;&#38889;&#20122;&#27954;&#31934;&#21697;&#35270;&#39057;</title><link>http://www.aygfsteel.com/ieclipse/category/29522.html</link><description /><language>zh-cn</language><lastBuildDate>Wed, 20 Feb 2008 22:17:49 GMT</lastBuildDate><pubDate>Wed, 20 Feb 2008 22:17:49 GMT</pubDate><ttl>60</ttl><item><title>SQL璇彞鏌ヨ緇撴灉鐢辮鍙樹負鍒?/title><link>http://www.aygfsteel.com/ieclipse/articles/180824.html</link><dc:creator>娌″灝遍粍浜?/dc:creator><author>娌″灝遍粍浜?/author><pubDate>Wed, 20 Feb 2008 05:33:00 GMT</pubDate><guid>http://www.aygfsteel.com/ieclipse/articles/180824.html</guid><wfw:comment>http://www.aygfsteel.com/ieclipse/comments/180824.html</wfw:comment><comments>http://www.aygfsteel.com/ieclipse/articles/180824.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/ieclipse/comments/commentRss/180824.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/ieclipse/services/trackbacks/180824.html</trackback:ping><description><![CDATA[Q:&nbsp;<br />
鐢⊿QL璇彞,鎶婅〃涓殑鏁版嵁鐢辮鍙樹負鍒?<br />
<br />
鏌ヨ鍓?<br />
<span style="color: #0000ff">ID 濮撳悕 縐戠洰 鍒嗘暟<br />
1&nbsp;寮犱笁&nbsp;璇枃&nbsp;65<br />
2&nbsp;寮犱笁&nbsp;鏁板&nbsp;85<br />
3&nbsp;寮犱笁&nbsp;澶栬&nbsp;75<br />
4&nbsp;鏉庡洓&nbsp;璇枃&nbsp;90<br />
5&nbsp;鏉庡洓&nbsp;鏁板&nbsp;60<br />
6&nbsp;鏉庡洓&nbsp;澶栬&nbsp;50</span><br />
<br />
鏌ヨ鍚?<br />
<span style="color: #0000ff">濮撳悕&nbsp;璇枃 鏁板 澶栬<br />
鏉庡洓&nbsp;90&nbsp;60&nbsp;50<br />
寮犱笁&nbsp;65&nbsp;85&nbsp;75</span><br />
<br />
A:<br />
1.鍏堝緩琛?<br />
<span style="color: #0000ff">create table SCORETABLE<br />
(<br />
&nbsp;ID int not null primary key,<br />
&nbsp;NAME varchar(50),<br />
&nbsp;SUBJECT varchar(50),<br />
&nbsp;SCORE int null<br />
); </span><br />
<br />
2.娣誨姞鏁版嵁.<br />
<span style="color: #0000ff">insert into scoretable(ID, NAME, SUBJECT, SCORE) values(1, '寮犱笁', '璇枃', 70);<br />
insert into scoretable(ID, NAME, SUBJECT, SCORE) values(2, '寮犱笁', '鏁板', 85);<br />
insert into scoretable(ID, NAME, SUBJECT, SCORE) values(3, '寮犱笁', '澶栬', 75);<br />
insert into scoretable(ID, NAME, SUBJECT, SCORE) values(4, '鏉庡洓', '璇枃', 90);<br />
insert into scoretable(ID, NAME, SUBJECT, SCORE) values(5, '鏉庡洓', '鏁板', 60);<br />
insert into scoretable(ID, NAME, SUBJECT, SCORE) values(6, '鏉庡洓', '澶栬', 50);</span><br />
<br />
3.鐢⊿QL瀹炵幇.<br />
<span style="color: #0000ff">select NAME as '濮撳悕',<br />
&nbsp;&nbsp;&nbsp;&nbsp;sum(case SUBJECT when '璇枃' then SCORE else 0 end) as '璇枃',<br />
&nbsp;&nbsp;&nbsp;&nbsp;sum(case SUBJECT when '鏁板' then SCORE else 0 end) as '鏁板',<br />
&nbsp;&nbsp;&nbsp;&nbsp;sum(case SUBJECT when '澶栬' then SCORE else 0 end) as '澶栬'<br />
from SCORETABLE<br />
group by NAME</span> <br />
<br />
榪欏氨鍋氬畬浜?涓昏灝辨槸榪欎釜SQL璇彞.鍏跺疄寰堢畝鍗?
<img src ="http://www.aygfsteel.com/ieclipse/aggbug/180824.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/ieclipse/" target="_blank">娌″灝遍粍浜?/a> 2008-02-20 13:33 <a href="http://www.aygfsteel.com/ieclipse/articles/180824.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item></channel></rss>            <footer>
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