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树勤思维•二年级•春季勤思班•第三讲学习资料

  • 2026-03-22 02:55:56
树勤思维•二年级•春季勤思班•第三讲学习资料

树勤培训学校

春季思维课程

勤思班●第三讲

例题

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扫码观看 讲解视频

第一题

第二题

第三题

第四题

挑战题

作业

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扫码观看 讲解视频

第一题

第二题

第三题

第四题

第五题

第六题

第七题

第八题

第九题

第十题

计算练习题

教师版

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  3. 缓存信息 : 0 reads,0 writes
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  1. CONNECT:[ UseTime:0.000914s ] mysql:host=127.0.0.1;port=3306;dbname=no_67808;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001442s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000703s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000693s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001403s ]
  6. SELECT * FROM `set` [ RunTime:0.000602s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001448s ]
  8. SELECT * FROM `article` WHERE `id` = 476291 LIMIT 1 [ RunTime:0.001124s ]
  9. UPDATE `article` SET `lasttime` = 1774212691 WHERE `id` = 476291 [ RunTime:0.002326s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000580s ]
  11. SELECT * FROM `article` WHERE `id` < 476291 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001047s ]
  12. SELECT * FROM `article` WHERE `id` > 476291 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000990s ]
  13. SELECT * FROM `article` WHERE `id` < 476291 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.004662s ]
  14. SELECT * FROM `article` WHERE `id` < 476291 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.003514s ]
  15. SELECT * FROM `article` WHERE `id` < 476291 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002901s ]
0.118014s