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Excel-20 (PQ+PP)
2026-03-29 17:11:45
Excel-20 (PQ+PP)
PQ和PP都是Excel自带的专业数据处理工具。
PQ,指的是Power Query,主要用于把杂乱的数据清洗规整,系统会记录对数据的每一步操作,可以减少重复清洗操作,有利于Excel效率的提升。处理好的数据可以直接加载到Power Pivot中,也可以到Excel中。
PP,指的是Power Pivot,主要用于数据建模(在各工作表间,通过共有的字段联系起来),后续可以基于这个模型创建数据透视表/数据透视图,搭配切片器,实现多维度的分析。
Power Query
入口:数据→获取数据→启动Power Query 编辑器
也可在获取数据→ 来自文件,
直接导入要处理的文件。
页面:Power Query编辑器
新建源:数据库、其它源、
文件(Excel和文件夹,及其它)
新建源的来自文件夹时,后续可以对文件里同类型格式的文件
自动清洗
。
这里也可以直接完成
合并查询
(两个工作表拥有共同的列,可以通过这个列将两个表的列拼接起来,表更宽了)
追加查询
(拥有同样的列名,增添行数,如有两张表(1-4月汇总表和5月份的记录),目前把5月的数据可以直接添加进,6月也可以,只要刷新一下就可以。(后面几个月的表格要放同一个文件夹里)
Power Pivot
入口:数据(选项卡)→数据模型→ 管理我的数据模型。
页面:Power Pivot for Excel
总结:
1.了解Power Query 和 Power Pivot的初步用途。
2.了解PQ和PP的入口。
3.区别:在Power Query中的表合并最终是生成一张表,而在Power Pivot中是建立多表间的关系,是保存一种关系,背后的一张张表都是真实存在的,只是建立了一种关系。
4.Power Query处理后的数据可以直接加载到Power Pivot中用于建模。
#Excel精进
,
#Excel学习
,
#学点新东西
Day 20
做长期主义的事--相信变化
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CONNECT:[ UseTime:0.001059s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.002040s ]
SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000817s ]
SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000725s ]
SHOW FULL COLUMNS FROM `set` [ RunTime:0.001758s ]
SELECT * FROM `set` [ RunTime:0.031040s ]
SHOW FULL COLUMNS FROM `article` [ RunTime:0.002015s ]
SELECT * FROM `article` WHERE `id` = 471249 LIMIT 1 [ RunTime:0.001075s ]
UPDATE `article` SET `lasttime` = 1775752961 WHERE `id` = 471249 [ RunTime:0.016333s ]
SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.001194s ]
SELECT * FROM `article` WHERE `id` < 471249 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.003959s ]
SELECT * FROM `article` WHERE `id` > 471249 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.005464s ]
SELECT * FROM `article` WHERE `id` < 471249 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000944s ]
SELECT * FROM `article` WHERE `id` < 471249 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.011340s ]
SELECT * FROM `article` WHERE `id` < 471249 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.008626s ]
0.167162s