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概率与统计讲义

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概率与统计讲义

概率与统计讲义

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  1. CONNECT:[ UseTime:0.001180s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001687s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000735s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000678s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001272s ]
  6. SELECT * FROM `set` [ RunTime:0.000579s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001448s ]
  8. SELECT * FROM `article` WHERE `id` = 457875 LIMIT 1 [ RunTime:0.001064s ]
  9. UPDATE `article` SET `lasttime` = 1777644359 WHERE `id` = 457875 [ RunTime:0.001619s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000694s ]
  11. SELECT * FROM `article` WHERE `id` < 457875 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001166s ]
  12. SELECT * FROM `article` WHERE `id` > 457875 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001076s ]
  13. SELECT * FROM `article` WHERE `id` < 457875 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002020s ]
  14. SELECT * FROM `article` WHERE `id` < 457875 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001865s ]
  15. SELECT * FROM `article` WHERE `id` < 457875 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001890s ]
0.192293s