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 need to combine like-for-like datasets in several Excel worksheets into one table, don't waste time and risk making mistakes by doing this manually. Instead, use Excel's powerful Power Query ...

I know this one is gonna be pretty simple... I'm just not sure of the exact syntax. I know it has something to do with "distinct" but I'm not sure the context to use ...