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Ubuntu Linux操作系统项目教程(微课版)崔升广 课后习题答案解析

  • 2026-08-18 23:10:41
Ubuntu Linux操作系统项目教程(微课版)崔升广 课后习题答案解析

书籍基本信息

书名：Ubuntu Linux操作系统项目教程（微课版）
主编：崔升广
ISBN：9787115578112
出版社：人民邮电出版社

学习经验分享

这本教材是很多院校计算机专业Ubuntu Linux操作系统课程的指定用书，教材内容丰富、实践性强，对专业学习帮助较大。不少初学者刚接触这门课程时不够熟悉，都希望找到合适的学习资料和方法来更好地掌握课程内容。

目前网络上已有不少Ubuntu Linux相关学习资源，包括教程、视频、学习论坛等，也有很多学霸分享了实用的学习经验。欢迎各位同学交流分享更多具体学习建议，例如如何制定学习计划、如何解决学习中遇到的问题、如何提高学习效率、如何将理论知识应用到实际操作中，大家一起交流进步。

课后习题答案

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  1. CONNECT:[ UseTime:0.000891s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001246s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000616s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000624s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001273s ]
  6. SELECT * FROM `set` [ RunTime:0.000527s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001332s ]
  8. SELECT * FROM `article` WHERE `id` = 505454 LIMIT 1 [ RunTime:0.040004s ]
  9. UPDATE `article` SET `lasttime` = 1787302112 WHERE `id` = 505454 [ RunTime:0.001514s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 67 LIMIT 1 [ RunTime:0.000546s ]
  11. SELECT * FROM `article` WHERE `id` < 505454 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.015311s ]
  12. SELECT * FROM `article` WHERE `id` > 505454 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001426s ]
  13. SELECT * FROM `article` WHERE `id` < 505454 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.105141s ]
  14. SELECT * FROM `article` WHERE `id` < 505454 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.108565s ]
  15. SELECT * FROM `article` WHERE `id` < 505454 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.030675s ]
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