原理：正则表达式[^0-9.]匹配并删除所有非数字字符，比手动删除符号快10倍。CAST确保结果为数值类型，可直接计算。

本文教你用SQL在Excel中实现动态数据清洗、跨表计算、条件分组，解决数据透视表无法实时更新、多表关联困难、计算字段繁琐等痛点。无需编程基础，跟着操作就能上手！ SELECTa.订单ID, b.客户等级, a.订单金额 ...

你是否也在项目复盘中被“锅从天降”？本文将带你掌握一套“数据自卫术”，从 Excel 快速定位问题，到 SQL 精准提取责任线索，一步步教你如何用数据澄清误解、优化协作，让你在团队中既专业又靠谱。 新晋PM，你是否经历过这些灵魂拷问？

To enter data in Excel, you can either type it in or import it from different sources. It’s easy to import data from a standard .CSV format, but what about importing it from a database? You can ...

Overview You can now learn data analytics for free from top platforms like Google, Coursera, edX, and more - with ...

Taking a look at how marketers can unlock the power of data analysis using traditional tabular software and data languages. Marketers would like to unlock the power of data — but with so many ...

In today’s data-driven environment, the ability to leverage advanced tools is crucial for transforming raw information into valuable insights. By effectively utilizing SQL and Excel, a senior data ...

I would like the user to be able to click a button on the web page that will run a SQL query (canned report) and export the result data to an Excel spreadsheet. The data does not need to display on ...