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You know the old saying; there aren’t any stupid questions. There are at least three different meanings that I am aware of for relational database. First, it can simply mean a database that has data stored in tables, which are just groups of similar records. You can establish a relationship between the tables; one table may contain customer info and another work order history, with both tables containing a customer number that creates a relationship between the two, hence the name “relational”. Second, it can mean a database that is accessed via Structured Query Language (SQL). SQL is a language that was designed to organize, update and extract information in databases. Because SQL uses data stored in tables, it is inherently relational. Lastly, there is the meaning that I know next to nothing about, other than it is used by mathematicians to refer to how data is arranged.