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【第224期】高中化学公开课丨醛与酮(PPT可下载)

  • 2026-04-04 06:37:34
【第224期】高中化学公开课丨醛与酮(PPT可下载)
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  1. CONNECT:[ UseTime:0.000432s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000607s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.001296s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.003818s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000564s ]
  6. SELECT * FROM `set` [ RunTime:0.001375s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000596s ]
  8. SELECT * FROM `article` WHERE `id` = 494968 LIMIT 1 [ RunTime:0.000830s ]
  9. UPDATE `article` SET `lasttime` = 1775442334 WHERE `id` = 494968 [ RunTime:0.002402s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.002974s ]
  11. SELECT * FROM `article` WHERE `id` < 494968 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.023376s ]
  12. SELECT * FROM `article` WHERE `id` > 494968 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.005169s ]
  13. SELECT * FROM `article` WHERE `id` < 494968 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.017742s ]
  14. SELECT * FROM `article` WHERE `id` < 494968 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.033764s ]
  15. SELECT * FROM `article` WHERE `id` < 494968 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002674s ]
0.285644s