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【教学资源 • 课件】2小结:有理数的运算复习

  • 2026-09-22 05:55:23
【教学资源 • 课件】2小结:有理数的运算复习

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撰稿：徐存锷

编辑：刘    娜

初审：贺    群

终审：李    艳

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基本 文件 流程 错误 SQL 调试
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  2. 运行时间 : 0.083290s [ 吞吐率：12.01req/s ] 内存消耗：4,223.70kb 文件加载：140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=bbac7d465ecfb6f4c81c22ac359fe295
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  1. CONNECT:[ UseTime:0.000592s ] mysql:host=172.18.0.4;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000906s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000472s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000377s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000553s ]
  6. SELECT * FROM `set` [ RunTime:0.000302s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000623s ]
  8. SELECT * FROM `article` WHERE `id` = 517294 LIMIT 1 [ RunTime:0.000343s ]
  9. UPDATE `article` SET `lasttime` = 1790053841 WHERE `id` = 517294 [ RunTime:0.001316s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000376s ]
  11. SELECT * FROM `article` WHERE `id` < 517294 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000458s ]
  12. SELECT * FROM `article` WHERE `id` > 517294 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000394s ]
  13. SELECT * FROM `article` WHERE `id` < 517294 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000478s ]
  14. SELECT * FROM `article` WHERE `id` < 517294 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000552s ]
  15. SELECT * FROM `article` WHERE `id` < 517294 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000564s ]
0.091604s