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所在平台: Udemy |
课程主页: https://www.udemy.com/course/excel-power-query/
课程评论:没有评论
**课程总结:Excel Power Query** 这是一个关于Excel Power Query的全面课程,时长超过10小时,涵盖了从基础到高级的各项功能。 **核心内容:** * **Power Query基础:** 介绍了Power Query的安装、系统需求、定义及其作为ETL(Extract, Transform, Load)工具的本质。 * **ETL工具的优势:** 详细阐述了Power Query相比传统Excel在处理海量数据(百万、亿级行)方面的效率优势。 * **数据导入:** 教授如何从多种数据源导入数据,包括文本文件(txt)、CSV文件、文件夹、数据库以及Excel工作簿。 * **Ribbon功能详解:** 对Power Query的Ribbon(功能区)进行细致讲解,并配以大量实例演示每项功能。 * **数据转换与处理:** * **分组(Group by):** 提供详尽的教程和项目,深入讲解分组功能。 * **日期与文本函数:** 介绍强大的日期函数和提取文本值的文本函数,无需编写复杂的Excel公式或VBA。 * **PQ函数:** 演示CSV.Document, Excel.Currentworkbook, Excel.Workbook等实用PQ函数及其应用。 * **行列转换:** 讲解Transpose(转置)和UnPivot(逆转置)功能的使用场景。 * **数据整理:** 教授如何使用第一行作为标题、更改数据类型(并解释原因)、反转行、替换值、填充值、拆分列、根据示例拆分列以及编辑自定义列。 * **数值与文本提取:** 演示如何提取数字、文本,以及数字与文本之间的相互转换。 * **高级主题与项目:** * **连接类型(Joins):** 详细讲解各种连接类型,包括左连接、右连接、全连接、左反连接、右反连接。 * **条件逻辑(IF statements):** 介绍在Power Query中使用IF语句的技巧及其在实际项目中的应用。 * **数据源管理:** 讲解如何更改数据源位置、刷新数据(Refresh/Refresh All)、仅加载连接(Connection Only)、关闭(Close)以及关闭并加载到(Close and Load To)选项。 * **网页数据抓取(Web Scraping):** 教授如何使用Power Query从网站表格导入数据。 * **实践项目:** 提供多个结果导向的实践项目,并包含解决方案。 * **高级项目与测验:** 包含多个高级项目,并配有测验,课程中提供解答。 * **在线支持:** 提供24*7的在线支持,解答学员遇到的各类问题。 **总结:** 本课程旨在帮助学习者掌握Excel Power Query的强大功能,从而更高效地处理、转换和分析数据,尤其是在面对复杂和大量数据时,能够显著提升工作效率,并可通过实践项目巩固所学知识。
This course covers the Basic and Advance PowerQuery From installing the PQ to checking the system requirements and Its definition.Covering the PQ ribbon - all features with examples in full detailWhy it is called ETL Tool - Extract Transform LoadBenefits of Powerquery over normal Excel spread sheets Handling millions and billions rows efficientlyHow to import data from different sources like txt , csv,folders, databases, excel sheetsEvery minute detail about PQ ribbon features with the help of examplesKnow your magnificent Group by feature - Complete tutorial including projectsDate functions - Very easy and powerful Text Functions in extracting the values is discussed, no need to build now excel formulas or VBAPQ functions - CSV.Document , Excel.Currentworkbook, excel.workbook are discussed with practical examplesTranspose feature, UnPivot Feature - where and how they can be used.How to use first row as header, how to change data type and why you should know this.How to reverse the rows of your table. How to use replace value feature and how to use Fill values button in Powerquery under Transform tabHow to use split, columns from example, edit custom columns.How to extract the numbers, texts or num to digit and vice versaSeveral practical projects for you with solutions - Amazing result driven projects for youWhat are the different types of JOINS - Left Join, Right, Full, left anti, Right Anti - All are coveredHow to use IF statements in PQ and how they are beneficial in real time projectsHow to change the source or location of data, What is refresh and refresh all ,Connection only ,close and close and load to optionsHow to use website tables data in excel using powerquery- Its called webscrapingSeveral advance level projects with quizzes (solution given in lectures)Online support 24*7 given by me to address your issues