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2017年考研数学(二)真题及答案解析

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2017年考研数学(二)真题及答案解析

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  1. CONNECT:[ UseTime:0.001058s ] mysql:host=127.0.0.1;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001581s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.002516s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.001070s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001680s ]
  6. SELECT * FROM `set` [ RunTime:0.005172s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001921s ]
  8. SELECT * FROM `article` WHERE `id` = 509310 LIMIT 1 [ RunTime:0.001361s ]
  9. UPDATE `article` SET `lasttime` = 1785794449 WHERE `id` = 509310 [ RunTime:0.029722s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000682s ]
  11. SELECT * FROM `article` WHERE `id` < 509310 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.004832s ]
  12. SELECT * FROM `article` WHERE `id` > 509310 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.005505s ]
  13. SELECT * FROM `article` WHERE `id` < 509310 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.040907s ]
  14. SELECT * FROM `article` WHERE `id` < 509310 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.006988s ]
  15. SELECT * FROM `article` WHERE `id` < 509310 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.007725s ]
0.274774s