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九年级上册化学《第二单元 空气和氧气》复习课优质课件(可下载)

  • 2026-09-24 21:50:07
九年级上册化学《第二单元 空气和氧气》复习课优质课件(可下载)
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2027一轮复习 :咏物诗情志对比

基本 文件 流程 错误 SQL 调试
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  2. 运行时间 : 0.073842s [ 吞吐率：13.54req/s ] 内存消耗：4,446.56kb 文件加载：140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=3492c1bee565075ed5a93b175990d317
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  1. CONNECT:[ UseTime:0.000488s ] mysql:host=172.18.0.4;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000801s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000431s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000324s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000614s ]
  6. SELECT * FROM `set` [ RunTime:0.000334s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000799s ]
  8. SELECT * FROM `article` WHERE `id` = 516041 LIMIT 1 [ RunTime:0.000504s ]
  9. UPDATE `article` SET `lasttime` = 1790258307 WHERE `id` = 516041 [ RunTime:0.001101s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000320s ]
  11. SELECT * FROM `article` WHERE `id` < 516041 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000472s ]
  12. SELECT * FROM `article` WHERE `id` > 516041 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000516s ]
  13. SELECT * FROM `article` WHERE `id` < 516041 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000952s ]
  14. SELECT * FROM `article` WHERE `id` < 516041 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000898s ]
  15. SELECT * FROM `article` WHERE `id` < 516041 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000586s ]
0.086773s