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学Python必掌握的90个SQL基础语句!

  • 2026-02-28 01:11:44
学Python必掌握的90个SQL基础语句!

学Python必掌握的90个SQL基础语句！

SQL 是数据分析中极其核心且常用的取数工具。绝大多数数据分析工作都离不开 SQL 从数据库中提取所需数据。#Python#数据库#编程

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  1. CONNECT:[ UseTime:0.001005s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001301s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.003048s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.002654s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001334s ]
  6. SELECT * FROM `set` [ RunTime:0.000676s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001391s ]
  8. SELECT * FROM `article` WHERE `id` = 477610 LIMIT 1 [ RunTime:0.017915s ]
  9. UPDATE `article` SET `lasttime` = 1772233994 WHERE `id` = 477610 [ RunTime:0.012941s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.002411s ]
  11. SELECT * FROM `article` WHERE `id` < 477610 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.018970s ]
  12. SELECT * FROM `article` WHERE `id` > 477610 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.006976s ]
  13. SELECT * FROM `article` WHERE `id` < 477610 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002061s ]
  14. SELECT * FROM `article` WHERE `id` < 477610 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.008610s ]
  15. SELECT * FROM `article` WHERE `id` < 477610 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.009485s ]
0.254238s