# 求答案下面题

0

<p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 25.7pt; mso-char-indent-count: 2.45;"><span style="font-size: small;"><span style="color: #2a2a2a; font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体; mso-bidi-font-weight: bold;" lang="EN-US">1</span><span style="color: #2a2a2a; font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体; mso-bidi-font-weight: bold;">、</span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">有</span><span lang="EN-US"><span style="font-family: Times New Roman;">m</span></span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">个数，想从中取出</span><span lang="EN-US"><span style="font-family: Times New Roman;">n</span></span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">个数进行组合，试问可以组成多少任意组合</span><span lang="EN-US"><span style="font-family: Times New Roman;">.</span></span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">如</span><span lang="EN-US"><span style="font-family: Times New Roman;">m=(2,3,4,5) </span></span></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 25.7pt; mso-char-indent-count: 2.45;"><span style="font-size: small;"><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">取出</span><span lang="EN-US"><span style="font-family: Times New Roman;">(n=3)</span></span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">三个数字进行组合</span><span style="font-family: Times New Roman;"> </span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">得到组合如下</span><span lang="EN-US"><span style="font-family: Times New Roman;">{2,3,4},{2,3,5},{3,4,5},{2,4,5} </span></span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">得到</span><span lang="EN-US"><span style="font-family: Times New Roman;">4</span></span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">组请</span></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 25.7pt; mso-char-indent-count: 2.45;"><span style="font-size: small;"><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">问程序怎么实现</span><span lang="EN-US"><span style="font-family: Times New Roman;">.(C#</span></span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">实现</span><span lang="EN-US"><span style="font-family: Times New Roman;">)</span></span></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 25.7pt; mso-char-indent-count: 2.45;"><span style="font-size: small;"><span lang="EN-US"><span style="font-family: Times New Roman;">2</span></span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">、现有学生的课程成绩表</span><span lang="EN-US"><span style="font-family: Times New Roman;">(SCG)</span></span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">的包含学生</span><span lang="EN-US"><span style="font-family: Times New Roman;">ID(SID</span></span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">，</span><span lang="EN-US"><span style="font-family: Times New Roman;"> int)</span></span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">、课程</span><span lang="EN-US"><span style="font-family: Times New Roman;">ID(CID </span></span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">，</span><span lang="EN-US"><span style="font-family: Times New Roman;">int)</span></span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">、</span></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 25.7pt; mso-char-indent-count: 2.45;"><span style="font-size: small;"><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">成绩</span><span lang="EN-US"><span style="font-family: Times New Roman;">(grade </span></span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">，</span><span lang="EN-US"><span style="font-family: Times New Roman;">int)</span></span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">这几列</span><span lang="EN-US"><span style="font-family: Times New Roman;">,</span></span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">求这些学生成绩中每门学科成绩的前两名，按学号排序，</span></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 25.7pt; mso-char-indent-count: 2.45;"><span style="font-size: small;"><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">不考虑成绩并列情况</span><span lang="EN-US"><span style="font-family: Times New Roman;">(sql)</span></span></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 25.7pt; mso-char-indent-count: 2.45;"><span style="font-size: small;"><span lang="EN-US"><span style="font-family: Times New Roman;">3</span></span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">、</span></span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">一表</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">TB &nbsp; </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 35.6pt; mso-char-indent-count: 4.45;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; Id &nbsp; &nbsp; </span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">字段为编号</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">,</span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">递增不一定连续</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">. &nbsp; </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 35.6pt; mso-char-indent-count: 4.45;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; M &nbsp; &nbsp; &nbsp; </span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">字段为区段路费</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">,</span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">比如从家到哈尔滨是</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">60</span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">元</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">,</span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">从哈尔滨到长春是</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">70</span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">元</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">,</span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">数值类型</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">. &nbsp;</span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 35.6pt; mso-char-indent-count: 4.45;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; S &nbsp; &nbsp; &nbsp; </span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">字段站点名称</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">. &nbsp; </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 35.6pt; mso-char-indent-count: 4.45;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; </span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">现有</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">500</span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">元钱</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">,</span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">从家先经哈尔滨出发</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">,</span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">能走多远</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">? &nbsp; (sql)</span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 35.6pt; mso-char-indent-count: 4.45;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; (</span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">例</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">:60+70+80+50+90+75=425 &nbsp; 60+70+80+50+90+75+80=505 &nbsp; </span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">所以答案应该是</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">6</span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">武汉</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">) &nbsp; </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 35.6pt; mso-char-indent-count: 4.45;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; Id &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; M S &nbsp;</span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 35.6pt; mso-char-indent-count: 4.45;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; 1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 60 </span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">哈尔滨</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US"> &nbsp; </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 35.6pt; mso-char-indent-count: 4.45;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; 2 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 70 </span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">长春</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US"> &nbsp; </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 35.6pt; mso-char-indent-count: 4.45;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; 3 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 80 </span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">沈阳</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US"> &nbsp; </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 35.6pt; mso-char-indent-count: 4.45;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; 4 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 50 </span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">北京</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US"> &nbsp; </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 35.6pt; mso-char-indent-count: 4.45;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; 5 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 90 </span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">郑州</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US"> &nbsp; </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 35.6pt; mso-char-indent-count: 4.45;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; 6 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 75 </span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">武汉</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US"> &nbsp; </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 35.6pt; mso-char-indent-count: 4.45;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; 7 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 80 </span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">长沙</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US"> &nbsp; </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 35.6pt; mso-char-indent-count: 4.45;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; 8 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 90 </span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">广东</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US"> &nbsp; </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 35.6pt; mso-char-indent-count: 4.45;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; </span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">要求</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">,</span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">请用一句</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">SQL</span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">语句实现</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US"> &nbsp; </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 35.6pt; mso-char-indent-count: 4.45;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; */ &nbsp; </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 35.6pt; mso-char-indent-count: 4.45;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; --</span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">创建表</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US"> &nbsp; </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 35.6pt; mso-char-indent-count: 4.45;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; Create &nbsp; Table &nbsp; TB &nbsp; </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 35.6pt; mso-char-indent-count: 4.45;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; ( &nbsp; </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 35.6pt; mso-char-indent-count: 4.45;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Id &nbsp; &nbsp; Int &nbsp; Identity(1, &nbsp; 1) &nbsp; Not &nbsp; Null, &nbsp; &nbsp; </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 35.6pt; mso-char-indent-count: 4.45;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; M &nbsp; &nbsp; &nbsp; Int, &nbsp; </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 35.6pt; mso-char-indent-count: 4.45;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; S varchar(50) &nbsp; </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 35.6pt; mso-char-indent-count: 4.45;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; ) &nbsp; </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 35.6pt; mso-char-indent-count: 4.45;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; --</span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">测试数据</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US"> &nbsp; </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 35.6pt; mso-char-indent-count: 4.45;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; Insert &nbsp; Into &nbsp; TB &nbsp; Values(60, &nbsp; '</span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">哈尔滨</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">') &nbsp; </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 35.6pt; mso-char-indent-count: 4.45;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; Insert &nbsp; Into &nbsp; TB &nbsp; Values(70,'</span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">长春</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">') &nbsp;</span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 35.6pt; mso-char-indent-count: 4.45;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; Insert &nbsp; Into &nbsp; TB &nbsp; Values(80,'</span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">沈阳</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">') </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 35.6pt; mso-char-indent-count: 4.45;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; Insert &nbsp; Into &nbsp; TB &nbsp; Values(50,'</span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">北京</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">') &nbsp; </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 35.6pt; mso-char-indent-count: 4.45;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; Insert &nbsp; Into &nbsp; TB &nbsp; Values(90,'</span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">郑州</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">') &nbsp; </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 35.6pt; mso-char-indent-count: 4.45;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; Insert &nbsp; Into &nbsp; TB &nbsp; Values(75,'</span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">武汉</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">') &nbsp; </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 35.6pt; mso-char-indent-count: 4.45;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; Insert &nbsp; Into &nbsp; TB &nbsp; Values(80,'</span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">长沙</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">') &nbsp; </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 35.6pt; mso-char-indent-count: 4.45;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; Insert &nbsp; Into &nbsp; TB &nbsp; Values(90,'</span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">广东</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">') &nbsp;</span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 25.7pt; mso-char-indent-count: 2.45;"><span style="font-size: small;"><span lang="EN-US"><span style="font-family: Times New Roman;">4</span></span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">、用</span><span lang="EN-US"><span style="font-family: Times New Roman;">SQL</span></span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman';">判断今年或者某一年是否是闰年</span><span lang="EN-US"><span style="font-family: Times New Roman;">(sql)</span></span></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 20.65pt; mso-char-indent-count: 1.96;"><span style="font-size: small;"><strong><span style="color: #2a2a2a; font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;" lang="EN-US"><span style="mso-spacerun: yes;">&nbsp;</span></span></strong><span style="color: #2a2a2a; font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体; mso-bidi-font-weight: bold;" lang="EN-US">5</span><span style="color: #2a2a2a; font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体; mso-bidi-font-weight: bold;">、</span></span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">一张表里有两个字段</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">ShipQty,ShipDate &nbsp; (sql)</span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 39.7pt; mso-char-indent-count: 4.96;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; </span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">其中</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">shipqty</span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">的值都是</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">1,ShipDate</span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">是时间内容有不同的日期</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">,</span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">例如</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">: &nbsp; </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 39.7pt; mso-char-indent-count: 4.96;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; shipqty &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span style="mso-spacerun: yes;">&nbsp;&nbsp; </span><span style="mso-spacerun: yes;">&nbsp;</span>ShipDate &nbsp; </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 39.7pt; mso-char-indent-count: 4.96;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; &nbsp; 1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 2004-2-1 &nbsp; </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt 51.65pt; mso-para-margin-left: 4.92gd;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">1<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>2004-2-24 &nbsp; </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt 52pt;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">1<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>2004-3-5 &nbsp; </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt 52pt;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">1<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>2004-4-7 &nbsp; &nbsp; </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt 52pt;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">1<span style="mso-spacerun: yes;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>2004-4-28 &nbsp; </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 48pt; mso-char-indent-count: 6.0;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; </span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">要实现以下要求</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">: &nbsp;</span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 48pt; mso-char-indent-count: 6.0;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; &nbsp; &nbsp; Shipqty(2004-2</span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">月</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">) &nbsp; &nbsp; Shipqty(2004-3</span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">月</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">) &nbsp; Shipqty(2004-4</span><span style="font-size: 8pt; font-family: 宋体; mso-bidi-font-family: Tahoma; mso-ascii-font-family: Tahoma; mso-hansi-font-family: Tahoma;">月</span><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">) &nbsp; </span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-indent: 48pt; mso-char-indent-count: 6.0;"><span style="font-size: 8pt; font-family: Tahoma;" lang="EN-US">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 2 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span style="mso-spacerun: yes;">&nbsp; </span>&nbsp; &nbsp; 2 &nbsp;</span><strong><span style="color: #2a2a2a; font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体;" lang="EN-US"></span></strong></p>
sunlary | 小虾三级 | 园豆：934

您需要登录以后才能回答，未注册用户请先注册