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Python/SQL/Hadoop……大数据到底要学多少东西?一张图讲清楚

  • 2026-06-23 20:08:07
Python/SQL/Hadoop……大数据到底要学多少东西?一张图讲清楚
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  1. CONNECT:[ UseTime:0.000654s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000831s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000305s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000274s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000488s ]
  6. SELECT * FROM `set` [ RunTime:0.000218s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000558s ]
  8. SELECT * FROM `article` WHERE `id` = 492310 LIMIT 1 [ RunTime:0.000412s ]
  9. UPDATE `article` SET `lasttime` = 1783058531 WHERE `id` = 492310 [ RunTime:0.017069s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000306s ]
  11. SELECT * FROM `article` WHERE `id` < 492310 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000553s ]
  12. SELECT * FROM `article` WHERE `id` > 492310 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000484s ]
  13. SELECT * FROM `article` WHERE `id` < 492310 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000566s ]
  14. SELECT * FROM `article` WHERE `id` < 492310 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.004615s ]
  15. SELECT * FROM `article` WHERE `id` < 492310 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002392s ]
0.097068s