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【七年级寒假预习讲义】第02讲 解题技巧专题:巧用幂的运算法则(3知识点+4大题型+过关测)

  • 2026-10-25 14:59:34
【七年级寒假预习讲义】第02讲 解题技巧专题:巧用幂的运算法则(3知识点+4大题型+过关测)

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基本 文件 流程 错误 SQL 调试
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  1. CONNECT:[ UseTime:0.000698s ] mysql:host=172.18.0.4;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000825s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000422s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000328s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000515s ]
  6. SELECT * FROM `set` [ RunTime:0.000294s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000655s ]
  8. SELECT * FROM `article` WHERE `id` = 468449 LIMIT 1 [ RunTime:0.000349s ]
  9. UPDATE `article` SET `lasttime` = 1793932266 WHERE `id` = 468449 [ RunTime:0.001203s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000380s ]
  11. SELECT * FROM `article` WHERE `id` < 468449 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000501s ]
  12. SELECT * FROM `article` WHERE `id` > 468449 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000402s ]
  13. SELECT * FROM `article` WHERE `id` < 468449 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000605s ]
  14. SELECT * FROM `article` WHERE `id` < 468449 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000574s ]
  15. SELECT * FROM `article` WHERE `id` < 468449 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000539s ]
0.095553s