Learn how to use Excel's new GROUPBY and PIVOTBY functions through five real-world examples, ranging from easy to hard. This tutorial covers: - Basic GROUPBY to calculate the sum of revenue by ...

Excel formulas are getting scary good.

Total darkness of despair. I felt nauseous looking at the inorganic screen filled only with numbers. I was holding my breath at my desk in the freezing office. Only the hollow sound of the keyboard ...

Never get the hang of a SQL parser? SQLLineage comes to the rescue. Given a SQL command, SQLLineage will tell you its source and target tables, without worrying about Tokens, Keyword, Identifier and ...

Abstract: Intelligent reflecting surface (IRS) is an enabling technology to engineer the radio signal propagation in wireless networks. By smartly tuning the signal reflection via a large number of ...

below is a use demo: Connect to SQL Server, create a table dbo.OrderDetail, and run some sql on this table.