{"id":1314,"date":"2022-11-06T15:00:03","date_gmt":"2022-11-06T07:00:03","guid":{"rendered":"https:\/\/aic.leexinghai.com\/?p=1314"},"modified":"2022-11-06T15:00:03","modified_gmt":"2022-11-06T07:00:03","slug":"h21106-%e5%ae%9e%e9%aa%8c5-%e6%95%b0%e6%8d%ae%e6%9f%a5%e8%af%a2%e7%9a%84%e6%93%8d%e4%bd%9c%e4%ba%8c","status":"publish","type":"post","link":"https:\/\/www.leexinghai.com\/aic\/h21106-%e5%ae%9e%e9%aa%8c5-%e6%95%b0%e6%8d%ae%e6%9f%a5%e8%af%a2%e7%9a%84%e6%93%8d%e4%bd%9c%e4%ba%8c\/","title":{"rendered":"H21102D-\u5b9e\u9a8c5-\u6570\u636e\u67e5\u8be2\u7684\u64cd\u4f5c(\u4e8c)"},"content":{"rendered":"\n

\u4e00\u3001\u5b9e\u9a8c\u76ee\u7684<\/strong><\/p>\n\n\n\n

\u901a\u8fc7\u672c\u5b9e\u9a8c\uff0c\u4f7f\u8bfb\u8005\u5b66\u4f1aSQL\u8bed\u8a00SELECT\u8bed\u53e5\u7684\u67e5\u8be2\u64cd\u4f5c\uff0c\u719f\u7ec3\u638c\u63e1\u4e24\u4e2a\u6216\u4e24\u4e2a\u4ee5\u4e0a\u7684\u8868\u7684\u57fa\u672c\u7684\u8fde\u63a5\u64cd\u4f5c\uff0c\u533a\u5206\u5185\u8fde\u63a5\u4e0e\u5916\u8fde\u63a5\u7684\u7279\u70b9\uff0c\u5b66\u4f1a\u5e94\u7528\u81ea\u8fde\u63a5\u8fdb\u884c\u67e5\u8be2\uff0c\u4f1a\u7ed9\u8868\u547d\u522b\u540d\u3002<\/p>\n\n\n\n

\u4e8c\u3001\u5b9e\u9a8c\u4eea\u5668\u8bbe\u5907\u3001\u8bd5\u5242\u6216\u6750\u6599<\/strong><\/strong><\/p>\n\n\n\n

\u4f7f\u7528SQL Server 2008\u8f6f\u4ef6\u8fdb\u884c\u5b9e\u9a8c\u64cd\u4f5c\u3002<\/p>\n\n\n\n

\u4e09\u3001\u5b9e\u9a8c\u8981\u6c42<\/strong><\/strong><\/p>\n\n\n\n

  <\/strong>  \u521b\u5efa\u4e00\u4e2a\u540d\u4e3alianxi2\u7684\u6570\u636e\u5e93\uff0c\u5728\u8be5\u6570\u636e\u5e93\u4e2d\u5bfc\u5165\u4ed3\u5e93\u8868\u3001\u804c\u5de5\u8868\u3001\u8ba2\u8d2d\u8868\u548c\u4f9b\u5e94\u5546\u8868\uff0c\u5e76\u5b8c\u6210\u6307\u5b9a\u7684\u67e5\u8be2\u64cd\u4f5c\uff0c\u719f\u7ec3\u638c\u63e1\u4e24\u4e2a\u4ee5\u4e0a\u7684\u8868\u7684\u5185\u8fde\u63a5\u67e5\u8be2\u3001\u5de6\u8fde\u63a5\u67e5\u8be2\u3001\u53f3\u8fde\u63a5\u67e5\u8be2\u3001\u5916\u8fde\u63a5\u67e5\u8be2\u3002<\/p>\n\n\n\n

\u56db\u3001\u5b9e\u9a8c\u5185\u5bb9\u4e0e\u6b65\u9aa4<\/strong><\/strong><\/p>\n\n\n\n

1<\/strong>\u3001\u521b\u5efa\u4ed3\u5e93\u8868<\/strong><\/p>\n\n\n\n

2<\/strong>\u3001\u521b\u5efa\u804c\u5de5\u8868<\/strong><\/p>\n\n\n\n

3<\/strong>\u3001\u521b\u5efa\u8ba2\u8d2d\u8868<\/strong><\/p>\n\n\n\n

4\u3001\u521b\u5efa\u4f9b\u5e94\u5546\u8868<\/strong><\/p>\n\n\n\n

\u4e0a\u8ff0\u56db\u4e2a\u8868\u53ef\u4ee5\u5728\u6587\u672b\u4e0b\u8f7d\u3002<\/mark><\/em><\/h2>\n\n\n\n

5<\/strong>\u3001\u7528SQL\u8bed\u53e5\u5b8c\u6210\u4ee5\u4e0b\u67e5\u8be2<\/strong><\/p>\n\n\n\n

\uff081\uff09\u3001\u67e5\u8be2\u6bcf\u4e2a\u57ce\u5e02\u7684\u4ed3\u5e93\u603b\u9762\u79ef\uff1b\u5982\u56fe1\u6240\u793a\u3002<\/strong><\/p>\n\n\n\n

select [\u57ce\u5e02],sum([\u9762\u79ef\uff08\u33a1\uff09]) as\"\u603b\u9762\u79ef\"<\/code> from [\u4ed3\u5e93\u8868] group by [\u57ce\u5e02]<\/code><\/p>\n\n\n

\n
\"\"
\u56fe1<\/figcaption><\/figure>\n<\/div>\n\n\n

\uff082\uff09\u3001\u67e5\u8be2\u6bcf\u4e2a\u4ed3\u5e93\u7684\u804c\u5de5\u4eba\u6570\uff0c\u5982\u679c\u8be5\u4ed3\u5e93\u6ca1\u6709\u804c\u5de5\uff0c\u4e5f\u8981\u5217\u51fa\u4eba\u6570\u4e3a0\uff08\u7528\u5de6\u5916\u8fde\u63a5\u5b9e\u73b0\uff09\uff1b\u5982\u56fe2\u6240\u793a\u3002<\/strong><\/p>\n\n\n\n

\n

select [\u4ed3\u5e93\u8868].\u4ed3\u5e93\u53f7,count([\u804c\u5de5\u53f7])as\"\u804c\u5de5\u4eba\u6570\", sum([\u9762\u79ef\uff08\u33a1\uff09]) as\"\u603b\u9762\u79ef\"<\/code><\/p>\n\n\n\n

from [\u4ed3\u5e93\u8868] left join [\u804c\u5de5\u8868] on  [\u4ed3\u5e93\u8868].\u4ed3\u5e93\u53f7=[\u804c\u5de5\u8868].\u4ed3\u5e93\u53f7<\/code><\/p>\n\n\n\n

group by<\/code><\/p>\n\n\n\n

[\u4ed3\u5e93\u8868].\u4ed3\u5e93\u53f7<\/code><\/p>\n<\/div><\/div>\n\n\n

\n
\"\"
\u56fe2<\/figcaption><\/figure>\n<\/div>\n\n\n

\uff083\uff09\u3001\u67e5\u8be2\u5728\u4e0a\u6d77\u5de5\u4f5c\u7684\u804c\u5de5\u6709\u591a\u5c11\u4e2a\uff1b\u5982\u56fe3\u6240\u793a\u3002<\/strong><\/p>\n\n\n\n

select count(\u804c\u5de5\u53f7) as \"\u5728\u4e0a\u6d77\u5de5\u4f5c\u7684\u804c\u5de5\u4eba\u6570\"<\/code><\/p>\n\n\n\n

from \u4ed3\u5e93\u8868 join \u804c\u5de5\u8868 on \u4ed3\u5e93\u8868.[\u4ed3\u5e93\u53f7]=\u804c\u5de5\u8868.[\u4ed3\u5e93\u53f7]<\/code><\/p>\n\n\n\n

where [\u57ce\u5e02]='\u4e0a\u6d77'<\/code><\/p>\n\n\n

\n
\"\"
\u56fe3<\/figcaption><\/figure>\n<\/div>\n\n\n

\uff084\uff09\u3001\u67e5\u8be2\u54ea\u4e9b\u804c\u5de5\u5728\u4e0a\u6d77\u5de5\u4f5c\uff0c\u5217\u51fa\u4ed6\u4eec\u7684\u804c\u5de5\u53f7\u3001\u4ed3\u5e93\u53f7\uff1b\u5982\u56fe4\u6240\u793a\u3002<\/strong><\/p>\n\n\n\n

select \u804c\u5de5\u53f7,[\u4ed3\u5e93\u8868].\u4ed3\u5e93\u53f7<\/code><\/p>\n\n\n\n

from \u4ed3\u5e93\u8868 join \u804c\u5de5\u8868 on \u4ed3\u5e93\u8868.[\u4ed3\u5e93\u53f7]=\u804c\u5de5\u8868.[\u4ed3\u5e93\u53f7]<\/code><\/p>\n\n\n\n

where [\u57ce\u5e02]='\u4e0a\u6d77'<\/code><\/p>\n\n\n

\n
\"\"
\u56fe4<\/figcaption><\/figure>\n<\/div>\n\n\n

\uff085\uff09\u3001\u67e5\u8be2\u4e0eE3\u53f7\u804c\u5de5\u6709\u8ba2\u8d2d\u4e1a\u52a1\u8054\u7cfb\u7684\u4f9b\u5e94\u5546\u3001\u4f9b\u5e94\u5546\u53f7\uff1b\u5982\u56fe5\u6240\u793a\u3002<\/strong><\/p>\n\n\n\n

select \u4f9b\u5e94\u5546\u8868.\u4f9b\u5e94\u5546\u53f7,\u4f9b\u5e94\u5546\u540d<\/code><\/p>\n\n\n\n

from \u8ba2\u8d2d\u8868 join \u4f9b\u5e94\u5546\u8868 on \u8ba2\u8d2d\u8868.[\u4f9b\u5e94\u5546\u53f7]=\u4f9b\u5e94\u5546\u8868.[\u4f9b\u5e94\u5546\u53f7]<\/code><\/p>\n\n\n\n

where [\u804c\u5de5\u53f7]='E3'<\/code><\/p>\n\n\n

\n
\"\"
\u56fe5<\/figcaption><\/figure>\n<\/div>\n\n\n

\uff086\uff09\u3001\u67e5\u8be2\u54ea\u4e9b\u804c\u5de5\u4e0e\u7231\u534e\u7535\u5b50\u5382\u6709\u8ba2\u8d2d\u4e1a\u52a1\u8054\u7cfb\uff0c\u5217\u51fa\u4ed6\u4eec\u7684\u804c\u5de5\u53f7\u3001\u4ed3\u5e93\u53f7\uff1b\u5982\u56fe6\u6240\u793a\u3002<\/strong><\/p>\n\n\n\n

select \u804c\u5de5\u8868.\u804c\u5de5\u53f7,\u4ed3\u5e93\u53f7<\/code><\/p>\n\n\n\n

from \u8ba2\u8d2d\u8868 join \u4f9b\u5e94\u5546\u8868 on \u8ba2\u8d2d\u8868.[\u4f9b\u5e94\u5546\u53f7]=\u4f9b\u5e94\u5546\u8868.[\u4f9b\u5e94\u5546\u53f7]<\/code><\/p>\n\n\n\n

join \u804c\u5de5\u8868 on \u8ba2\u8d2d\u8868.\u804c\u5de5\u53f7=\u804c\u5de5\u8868.\u804c\u5de5\u53f7<\/code><\/p>\n\n\n\n

where [\u4f9b\u5e94\u5546\u540d]='\u7231\u534e\u7535\u5b50\u5382'<\/code><\/p>\n\n\n

\n
\"\"
\u56fe6<\/figcaption><\/figure>\n<\/div>\n\n\n

\uff087\uff09\u3001\u67e5\u8be2\u6bcf\u4e2a\u4f9b\u5e94\u5546\u7684\u8ba2\u8d2d\u5355\u6570\u91cf\uff0c\u5217\u51fa\u4f9b\u5e94\u5546\u53f7\u548c\u4ed6\u4eec\u7684\u8ba2\u8d2d\u5355\u6570\u91cf\uff1b\u5982\u56fe7\u6240\u793a\u3002<\/strong><\/p>\n\n\n\n

select \u4f9b\u5e94\u5546\u8868.\u4f9b\u5e94\u5546\u53f7,count(*) as\"\u8ba2\u8d2d\u5355\u6570\u91cf\"<\/code><\/p>\n\n\n\n

from \u8ba2\u8d2d\u8868 join \u4f9b\u5e94\u5546\u8868 on \u8ba2\u8d2d\u8868.[\u4f9b\u5e94\u5546\u53f7]=\u4f9b\u5e94\u5546\u8868.[\u4f9b\u5e94\u5546\u53f7]<\/code><\/p>\n\n\n\n

group by \u4f9b\u5e94\u5546\u8868.\u4f9b\u5e94\u5546\u53f7<\/code><\/p>\n\n\n

\n
\"\"
\u56fe7<\/figcaption><\/figure>\n<\/div>\n\n\n

\uff088\uff09\u3001\u67e5\u8be2\u6708\u5de5\u8d44\u57283000\u5143\u4ee5\u4e0a\uff0c\u5e76\u5728\u5317\u4eac\u6216\u4e0a\u6d77\u5de5\u4f5c\u7684\u804c\u5de5\uff0c\u5217\u51fa\u4ed6\u4eec\u7684\u804c\u5de5\u53f7\u548c\u6708\u5de5\u8d44\uff1b\u5982\u56fe8\u6240\u793a\u3002<\/strong><\/p>\n\n\n\n

select \u804c\u5de5\u8868.\u804c\u5de5\u53f7,\u804c\u5de5\u8868.[\u6708\u5de5\u8d44\uff08\u5143\uff09]<\/code><\/p>\n\n\n\n

from \u804c\u5de5\u8868 join \u4ed3\u5e93\u8868 on \u4ed3\u5e93\u8868.\u4ed3\u5e93\u53f7=\u804c\u5de5\u8868.\u4ed3\u5e93\u53f7<\/code><\/p>\n\n\n\n

where(\u57ce\u5e02='\u4e0a\u6d77'or \u57ce\u5e02='\u5317\u4eac') and [\u6708\u5de5\u8d44\uff08\u5143\uff09]>3000<\/code><\/p>\n\n\n

\n
\"\"
\u56fe8<\/figcaption><\/figure>\n<\/div>\n\n\n

\uff089\uff09\u3001\u67e5\u8be2\u4e0e\u4f9b\u5e94\u5546\u53f7\u4e3aS3\u7684\u4f9b\u5e94\u5546\u6709\u4e1a\u52a1\u8054\u7cfb\u7684\u804c\u5de5\uff0c\u6c42\u51fa\u8fd9\u4e9b\u804c\u5de5\u7684\u804c\u5de5\u53f7\u3001\u8ba2\u8d2d\u5355\u53f7\u3001\u4ed3\u5e93\u53f7\u3001\u57ce\u5e02\uff1b\u5982\u56fe9\u6240\u793a\u3002<\/strong><\/p>\n\n\n\n

select \u804c\u5de5\u8868.\u804c\u5de5\u53f7,\u8ba2\u8d2d\u5355\u53f7,\u4ed3\u5e93\u8868.\u4ed3\u5e93\u53f7,\u57ce\u5e02<\/code><\/p>\n\n\n\n

from \u8ba2\u8d2d\u8868 join \u4f9b\u5e94\u5546\u8868 on \u8ba2\u8d2d\u8868.\u4f9b\u5e94\u5546\u53f7=\u4f9b\u5e94\u5546\u8868.\u4f9b\u5e94\u5546\u53f7<\/code><\/p>\n\n\n\n

join \u804c\u5de5\u8868 on \u8ba2\u8d2d\u8868.\u804c\u5de5\u53f7=\u804c\u5de5\u8868.\u804c\u5de5\u53f7<\/code><\/p>\n\n\n\n

join \u4ed3\u5e93\u8868 on \u4ed3\u5e93\u8868.\u4ed3\u5e93\u53f7=\u804c\u5de5\u8868.\u4ed3\u5e93\u53f7<\/code><\/p>\n\n\n\n

where \u4f9b\u5e94\u5546\u8868.\u4f9b\u5e94\u5546\u53f7='S3'<\/code><\/p>\n\n\n

\n
\"\"
\u56fe9<\/figcaption><\/figure>\n<\/div>\n\n\n

\uff0810\uff09\u3001\u67e5\u8be2\u51fa\u54ea\u4e9b\u4ed3\u5e93\u6ca1\u6709\u5206\u914d\u804c\u5de5\uff0c\u5217\u51fa\u5bf9\u5e94\u7684\u4ed3\u5e93\u53f7\uff1b\u5982\u56fe10\u6240\u793a\u3002<\/strong><\/p>\n\n\n\n

select \u4ed3\u5e93\u8868.\u4ed3\u5e93\u53f7<\/code><\/p>\n\n\n\n

from \u4ed3\u5e93\u8868 left join \u804c\u5de5\u8868 on \u4ed3\u5e93\u8868.\u4ed3\u5e93\u53f7=\u804c\u5de5\u8868.\u4ed3\u5e93\u53f7<\/code><\/p>\n\n\n\n

where \u804c\u5de5\u8868.\u804c\u5de5\u53f7 is null<\/code><\/p>\n\n\n

\n
\"\"
\u56fe10<\/figcaption><\/figure>\n<\/div>\n\n\n

\uff0811\uff09\u3001\u67e5\u8be2\u51fa\u54ea\u4e9b\u804c\u5de5\u7684\u5de5\u8d44\u9ad8\u4e8e\u5168\u4f53\u804c\u5de5\u5e73\u5747\u5de5\u8d44\uff0c\u5217\u51fa\u804c\u5de5\u53f7\u3001\u4ed3\u5e93\u53f7\u3001\u6708\u5de5\u8d44\uff1b\u5982\u56fe11\u6240\u793a\u3002<\/strong><\/p>\n\n\n\n

select \u804c\u5de5\u53f7,\u4ed3\u5e93\u53f7,[\u6708\u5de5\u8d44\uff08\u5143\uff09]<\/code><\/p>\n\n\n\n

from\u00a0 \u804c\u5de5\u8868<\/code><\/p>\n\n\n\n

where [\u6708\u5de5\u8d44\uff08\u5143\uff09]>(select AVG([\u6708\u5de5\u8d44\uff08\u5143\uff09])from \u804c\u5de5\u8868)<\/code><\/p>\n\n\n

\n
\"\"
\u56fe11<\/figcaption><\/figure>\n<\/div>\n\n\n

\uff0812\uff09\u3001\u67e5\u8be2\u51fa\u54ea\u4e9b\u804c\u5de5\u7684\u5de5\u8d44\u9ad8\u4e8e\u4ed6\u6240\u5728\u4ed3\u5e93\u7684\u804c\u5de5\u7684\u5e73\u5747\u5de5\u8d44\uff0c\u5217\u51fa\u804c\u5de5\u53f7\u3001\u4ed3\u5e93\u53f7\u3001\u6708\u5de5\u8d44\u3002\u5982\u56fe12\u6240\u793a\u3002<\/strong><\/p>\n\n\n\n

select \u804c\u5de5\u53f7,\u4ed3\u5e93\u53f7,[\u6708\u5de5\u8d44\uff08\u5143\uff09]<\/code><\/p>\n\n\n\n

from\u00a0 \u804c\u5de5\u8868 S1<\/code><\/p>\n\n\n\n

where [\u6708\u5de5\u8d44\uff08\u5143\uff09]>(select AVG([\u6708\u5de5\u8d44\uff08\u5143\uff09])from \u804c\u5de5\u8868 S2 where S1.\u4ed3\u5e93\u53f7=S2.\u4ed3\u5e93\u53f7)<\/code><\/p>\n\n\n

\n
\"\"
\u56fe12<\/figcaption><\/figure>\n<\/div>\n\n\n

\u4e94\u3001\u5b9e\u9a8c\u7ed3\u679c\u4e0e\u5206\u6790<\/strong><\/strong><\/p>\n\n\n\n

\u901a\u8fc7\u672c\u5b9e\u9a8c\uff0c\u5b66\u4f1aSQL\u8bed\u8a00SELECT\u8bed\u53e5\u7684\u67e5\u8be2\u64cd\u4f5c\uff0c\u719f\u7ec3\u638c\u63e1\u4e24\u4e2a\u6216\u4e24\u4e2a\u4ee5\u4e0a\u7684\u8868\u7684\u57fa\u672c\u7684\u8fde\u63a5\u64cd\u4f5c\uff0c\u533a\u5206\u5185\u8fde\u63a5\u4e0e\u5916\u8fde\u63a5\u7684\u7279\u70b9\uff0c\u5b66\u4f1a\u81ea\u8fde\u63a5\u67e5\u8be2\uff0c\u4f1a\u7ed9\u8868\u547d\u522b\u540d\u3002<\/p>\n\n\n\n

\u516d\u3001\u7ed3\u8bba\u4e0e\u4f53\u4f1a<\/strong><\/strong><\/p>\n\n\n\n

  \u638c\u63e1\u4e24\u4e2a\u6216\u4e24\u4e2a\u4ee5\u4e0a\u7684\u8868\u7684\u57fa\u672c\u7684\u8fde\u63a5\u64cd\u4f5c\uff0c\u533a\u5206\u5185\u8fde\u63a5\u4e0e\u5916\u8fde\u63a5\u7684\u7279\u70b9\uff0c\u81ea\u8fde\u63a5\u67e5\u8be2\u548c\u7ed9\u8868\u547d\u522b\u540d\u3002<\/p>\n\n\n\n

\u4e03\u3001\u6559\u5e08\u8bc4\u8bed<\/strong><\/strong><\/p>\n\n\n\n

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