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数据分析应用项目化教程(Python) 孙仁鹏 何淼 董志勇 课后习题答案解析

  • 2026-06-30 11:55:04
数据分析应用项目化教程(Python) 孙仁鹏 何淼 董志勇 课后习题答案解析

书籍基本信息

书名：数据分析应用项目化教程（Python）
主编：孙仁鹏 何淼 董志勇
ISBN：9787040605792
出版社：高等教育出版社

学习经验分享

《数据分析应用项目化教程（Python）》是一本非常适合大学生学习的教材，涵盖了数据分析的实际应用和Python编程的相关知识，掌握本书内容可以习得数据处理与分析的实用技能，为未来的学习和工作打下坚实基础。

自学这本书的过程中，很多学习者会遇到代码片段、数据分析方法难以理解的问题，需要配套学习资料和有经验的前辈指导。你可以下载资小料APP获取这本教材的完整辅助学习资料，这里还汇集了很多学长学姐整理的学习经验方法，还能结识志同道合的学习伙伴，帮助你更好地掌握书中内容。

课后习题答案

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  140. /yingpanguazai/ssd/ssd1/www/f.mffb.com.cn/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.000562s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000829s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000287s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000249s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000542s ]
  6. SELECT * FROM `set` [ RunTime:0.000193s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000504s ]
  8. SELECT * FROM `article` WHERE `id` = 489510 LIMIT 1 [ RunTime:0.001595s ]
  9. UPDATE `article` SET `lasttime` = 1783077578 WHERE `id` = 489510 [ RunTime:0.002171s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000230s ]
  11. SELECT * FROM `article` WHERE `id` < 489510 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000415s ]
  12. SELECT * FROM `article` WHERE `id` > 489510 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.004224s ]
  13. SELECT * FROM `article` WHERE `id` < 489510 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.020058s ]
  14. SELECT * FROM `article` WHERE `id` < 489510 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.009234s ]
  15. SELECT * FROM `article` WHERE `id` < 489510 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.007095s ]
0.113368s