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冀教版三年级数学下册电子课本
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  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000752s ]
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  12. SELECT * FROM `article` WHERE `id` > 543921 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000381s ]
  13. SELECT * FROM `article` WHERE `id` < 543921 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000470s ]
  14. SELECT * FROM `article` WHERE `id` < 543921 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000593s ]
  15. SELECT * FROM `article` WHERE `id` < 543921 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000578s ]
0.087808s