And I was working at Brio Technology in the late 90s, they had a similar product called DataPivot, first sold in 1991. https://en.wikipedia.org/wiki/Brio_Techno

And I was working at Brio Technology in the late 90s, they had a similar product called DataPivot, first sold in 1991. https://en.wikipedia.org/wiki/Brio_Technology https://en.wikipedia.org/wiki/Brio_Technology I don't remember Brio's pivot tables "blowing up" per-se, but I suppose computers had a lot more memory by the time I joined. They used a patented algorithm to create the pivot structure by aggregating a result-set from an SQL query.