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课件+电子教案,助您轻松备课数据采集与处理

  • 2026-04-22 16:48:28
课件+电子教案,助您轻松备课数据采集与处理

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撰稿人：王铮

责任编辑：张敦鸿

审核人：李双雷

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书名：数据采集与处理

作者：薛磊 魏辉 周生强

ISBN：978-7-111-76526-4

定价：49.80元

本书特色：

高等职业教育商务数据分析与应用、统计与大数据分析等专业核心课教材；对接最新标准；采用图解教学模式，以数字化思维为导向，讲解Excel等数据处理工具的数据采集与处理方法。

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样书自助申请流程：http://www.cmpedu.com/help/yssq.html

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  1. CONNECT:[ UseTime:0.000419s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000598s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000279s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000303s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000606s ]
  6. SELECT * FROM `set` [ RunTime:0.000206s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000604s ]
  8. SELECT * FROM `article` WHERE `id` = 459546 LIMIT 1 [ RunTime:0.001068s ]
  9. UPDATE `article` SET `lasttime` = 1777276617 WHERE `id` = 459546 [ RunTime:0.000977s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000232s ]
  11. SELECT * FROM `article` WHERE `id` < 459546 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000431s ]
  12. SELECT * FROM `article` WHERE `id` > 459546 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000408s ]
  13. SELECT * FROM `article` WHERE `id` < 459546 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000711s ]
  14. SELECT * FROM `article` WHERE `id` < 459546 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000602s ]
  15. SELECT * FROM `article` WHERE `id` < 459546 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001248s ]
0.087230s