Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

Using the External Data Connection feature in Excel, you can acquire information from external sources, such as Access and SQL Server. The data remains stored at its original source, but the data ...

Transform messy spreadsheets, remove errors, and refresh tables automatically without writing a single formula.

In this post, we will show you how to split Data into Rows using Power Query. While exporting data from other systems or sources, you may encounter situations when the data is stored in a format where ...

I am writing a query which is aggregating some data from one database into a separate database.<BR><BR>Basically, I have a query which returns 3 columns and I have a query that returns 1 ...