Tag: outer join
Today, against all priorities, I have resumed an old hobby: the creation of charts with nothing but SQL to work with. Several years back I created pure SQL Hi-Lo …
The challenge in this article is a simple one. I have a table with records (duh!) and each record describes the occurrence of a certain payload. In this example …
The functional requirement was a little unusual. The page should either show all master-records or – depending on the value of a parameter – it should show exactly one …
It is a strange thing really: querying the database to find missing data. Queries usually report on what is there. Not the queries in this article (and its prequel): …
