I'm trying to combine query results from two tables. These tables are for the Addressbook, within the (OSS) suite called eGroupWare. The first table has one row per contact, for standard fields.

So lets say I have 5 databases, all with the same schema, but different data. I want to be able to build reports based on the data in all of those databases. How could I construct a view which would ...

Chris Webb shared a two part article on optimizing the performance of Power Query merges. Known as joining in SQL, merging in Power Query can result in performance issues when refreshing. Using a CSV ...

Learn SQL basics in just 15 minutes with this tutorial focused on using SQL with MySQL. Topics covered include: - What SQL is and an overview of relational database management systems - Installing MyS ...

SQL Server is primarily built around a row-based table structure that connects related data elements in different tables to one another, avoiding the need to redundantly store data in multiple places ...