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 ...

If you are working with Excel spreadsheets or workbooks, juggling multiple tables of data, at some time you might need to combine them into one. Rather than spending hours manually copying and pasting ...

How to query a LibreOffice database using the Query Design View Your email has been sent LibreOffice contains a very powerful database tool that is actually quite user friendly. Here's how to create a ...

Merge lists even with typos and inconsistent names. Tune the similarity threshold, use a transform table, and audit results before loading.

In this post, we will show you how to reorder multiple columns in Power Query with Drag & Drop. Often when importing data from various sources, columns may not be in the desired order. Reordering ...