In a three-way join, the sql-expression consists of two conditions: one relates the first table to the second table and the other relates the second table to the third table.

Create join tables to represent many-to-many relationships. Insert rows in join tables to create many-to-many relationships. Select data about many-to-many relationships using join tables. There are a ...

There are a variety of relationships than cannot be easily captured by a simple reference from one table to another. We'll explore how to represent many-to-many relationships using join tables that ...

SQL lets you use one command to quickly create a new table containing a subset of records from a larger table while working in Access. Sound complicated? It's not, as Mary Ann Richardson shows us.

A few months ago a new option was added to the Sql.Database and Sql.Databases functions in Power Query in Power BI and Excel which allows Power Query queries that combine data from different SQL ...