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 ...

A common SQL habit is to use SELECT * on a query, because it’s tedious to list all the columns you need. Plus, sometimes those columns may change over time, so why not just do things the easy way? But ...

I have a result set stored in #Results.<BR><BR>Now I need to add MORE records to that #Results table.<BR><BR>The first query selects all of our employees and stores it in #Results.<BR><BR>Now what I ...

Do you want to find out how to avoid duplicates in the results of a SQL SELECT query? This article will show you how. Simply use the DISTINCT clause and between the SELECT clause and the fields.

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 ...