LibreOffice Base SQL: Aggregation, Data Herding

Today, I will continue the discussion of SQL queries with queries that involve different ways to group or derive new data based on the data in a table. The SQL in this post is based on the TeamMembers database. For instructions on setting up the database in LibreOffice and a short description of the database and tables, see the post at http://wp.me/pvwht-a4.

Herding the Data in Tables

The word aggregation comes from the Latin with a literal meaning of “to herd.” So, an aggregation is a collection or gathering of things together. In this post I will show you how to herd some of the data in your tables. I will also show you how to get new data derived from the data in a table. Continue reading