Excel has grown into a powerful hub for data preparation, modeling, and automation. With tools like Power Query, Power Pivot, dynamic arrays, and Office Scripts, you can connect to multiple sources, ...

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Overview:  Confused between Power Query and Power Pivot? These two Excel tools serve completely different purposes but work ...

Handling Excel datasets with multiple header rows can be challenging, especially when dealing with complex reports. Excel Off The Grid explains how to streamline this process using Power Query, ...

A free tool to reduce coding for developers who like to surface T-SQL database recordsets in a simple collection of customized POCO objects. Every so often, I find myself wishing that I had a utility ...

SQL Server 2016 lets you treat JSON objects like rows in a table, allowing you to use data from AJAX queries in joins, updates and any other SQL statement you can think of. SQL Server 2016 provides ...

Databases are used in many different settings, for different purposes. For example, libraries use databases to keep track of which books are available and which are out on loan. Schools may use ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. Return on investment (ROI) measures the amount of ...

Everything you need to know about making your own cryptocurrency Allie is a financial writer and editor with over five years of experience. An investment banker turned journalist, she has previously ...

Katelyn is a reporter with CNET covering artificial intelligence, including chatbots, image and video generators. Her work explores how new AI technology is infiltrating our lives, shaping the content ...