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名师课堂14—— 第二单元空气和氧气复习课,附ppt(1)

  • 2026-09-21 02:21:23
名师课堂14—— 第二单元空气和氧气复习课,附ppt(1)
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  1. CONNECT:[ UseTime:0.000840s ] mysql:host=172.18.0.4;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001109s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000431s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000348s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000608s ]
  6. SELECT * FROM `set` [ RunTime:0.000285s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000760s ]
  8. SELECT * FROM `article` WHERE `id` = 514501 LIMIT 1 [ RunTime:0.000375s ]
  9. UPDATE `article` SET `lasttime` = 1789941153 WHERE `id` = 514501 [ RunTime:0.002235s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000361s ]
  11. SELECT * FROM `article` WHERE `id` < 514501 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000444s ]
  12. SELECT * FROM `article` WHERE `id` > 514501 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000385s ]
  13. SELECT * FROM `article` WHERE `id` < 514501 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000628s ]
  14. SELECT * FROM `article` WHERE `id` < 514501 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000588s ]
  15. SELECT * FROM `article` WHERE `id` < 514501 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000782s ]
0.078084s