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Linux网络操作系统项目化教程 黑马程序员 课后习题答案解析

  • 2026-06-21 22:45:31
Linux网络操作系统项目化教程 黑马程序员 课后习题答案解析

书籍基本信息

书名：Linux网络操作系统项目化教程
主编：黑马程序员
ISBN：9787040594041
出版社：高等教育出版社

学习经验分享

大家好，我是一名对Linux网络操作系统项目化教程非常感兴趣的大学生。最近在学习这门课程时，遇到了一些难题。首先，我需要一些关于本书的详细资料，包括教材、参考书、网络教程等。其次，我还想了解一些有效的学习方法和建议，以便更好地掌握这门课程。最后，我希望能够获得前辈的学习经验和心得，以便更好地规划自己的学习路径。如有相关资源或建议，欢迎与我分享，谢谢大家！

课后习题答案

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  1. CONNECT:[ UseTime:0.000974s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001367s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.004295s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.002044s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001406s ]
  6. SELECT * FROM `set` [ RunTime:0.004060s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001510s ]
  8. SELECT * FROM `article` WHERE `id` = 491938 LIMIT 1 [ RunTime:0.001014s ]
  9. UPDATE `article` SET `lasttime` = 1783113619 WHERE `id` = 491938 [ RunTime:0.037228s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 67 LIMIT 1 [ RunTime:0.003280s ]
  11. SELECT * FROM `article` WHERE `id` < 491938 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.004082s ]
  12. SELECT * FROM `article` WHERE `id` > 491938 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.005558s ]
  13. SELECT * FROM `article` WHERE `id` < 491938 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.035150s ]
  14. SELECT * FROM `article` WHERE `id` < 491938 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.012032s ]
  15. SELECT * FROM `article` WHERE `id` < 491938 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.007599s ]
0.265280s