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【优秀课例】离子反应(视频+PPT)

  • 2026-08-07 16:50:02
【优秀课例】离子反应(视频+PPT)

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  1. CONNECT:[ UseTime:0.001086s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001380s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000684s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000682s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001395s ]
  6. SELECT * FROM `set` [ RunTime:0.000615s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001521s ]
  8. SELECT * FROM `article` WHERE `id` = 545561 LIMIT 1 [ RunTime:0.036949s ]
  9. UPDATE `article` SET `lasttime` = 1786512040 WHERE `id` = 545561 [ RunTime:0.005335s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000682s ]
  11. SELECT * FROM `article` WHERE `id` < 545561 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001174s ]
  12. SELECT * FROM `article` WHERE `id` > 545561 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001118s ]
  13. SELECT * FROM `article` WHERE `id` < 545561 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001847s ]
  14. SELECT * FROM `article` WHERE `id` < 545561 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001764s ]
  15. SELECT * FROM `article` WHERE `id` < 545561 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001611s ]
0.228599s