Nest CHOOSECOLS inside UNIQUE to extract non-adjacent columns, and use INDIRECT for interactive header dropdowns.

See how try and otherwise protect custom column math from type errors in Power Query, saving time and keeping your refresh ...

Changes to database structures are best performed in a coordinated fashion as the application processes that support the new functionality are rolled out into production. In a relational database, ...

Database sizes have grown exponentially, with more than half of all databases in use globally projected to exceed 10TB by 2010, according to The Data Warehouse Institute. But as the size of data ...

You can take the text in one column and split it into multiple columns using the Convert Text to Columns Wizard. To get started, open the Excel Sheet in which you would like to split a single column ...