Union command in SQL
This article is based on the UNION command, which is used to select related information from two tables, much like the JOIN command. However, when using the UNION command all selected columns need to be of the same data type.
The text of this article is not in this database — only its details are. The old site it was published on is gone, but the Internet Archive kept a copy: Union command in SQL
Join the conversation! Your thoughts help the community grow.