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我在黑马学Python

  • 2026-06-30 01:08:03
我在黑马学Python

我在黑马学Python

假如能倒流，重新学计算机我绝不摆烂！
曾经自学走无数弯路，看不懂数据库、做不好可视化
上天再给一次机会，果断来黑马系统学Python
SQL单表/多表/窗口函数、BI图表、性能优化从头到尾吃透
这次不偷懒，扎扎实实练技术，搞懂数据开发！
#我在黑马学Python #Python零基础

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      基本 文件 流程 错误 SQL 调试
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      1. CONNECT:[ UseTime:0.000620s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
      2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000773s ]
      3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000332s ]
      4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000298s ]
      5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000466s ]
      6. SELECT * FROM `set` [ RunTime:0.000196s ]
      7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000541s ]
      8. SELECT * FROM `article` WHERE `id` = 501433 LIMIT 1 [ RunTime:0.000440s ]
      9. UPDATE `article` SET `lasttime` = 1783026479 WHERE `id` = 501433 [ RunTime:0.003198s ]
      10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000311s ]
      11. SELECT * FROM `article` WHERE `id` < 501433 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000678s ]
      12. SELECT * FROM `article` WHERE `id` > 501433 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.003785s ]
      13. SELECT * FROM `article` WHERE `id` < 501433 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001335s ]
      14. SELECT * FROM `article` WHERE `id` < 501433 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001221s ]
      15. SELECT * FROM `article` WHERE `id` < 501433 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001783s ]
      0.088500s