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【优秀示范课】沉淀溶解平衡创新设计(PPT)

  • 2026-08-12 22:58:37
【优秀示范课】沉淀溶解平衡创新设计(PPT)

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  1. CONNECT:[ UseTime:0.001032s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001387s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000721s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000646s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001428s ]
  6. SELECT * FROM `set` [ RunTime:0.000607s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001513s ]
  8. SELECT * FROM `article` WHERE `id` = 544801 LIMIT 1 [ RunTime:0.000947s ]
  9. UPDATE `article` SET `lasttime` = 1786590730 WHERE `id` = 544801 [ RunTime:0.001966s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000623s ]
  11. SELECT * FROM `article` WHERE `id` < 544801 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001215s ]
  12. SELECT * FROM `article` WHERE `id` > 544801 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001094s ]
  13. SELECT * FROM `article` WHERE `id` < 544801 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001852s ]
  14. SELECT * FROM `article` WHERE `id` < 544801 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001993s ]
  15. SELECT * FROM `article` WHERE `id` < 544801 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001770s ]
0.191606s