In the 90s/2000s their Microsoft SQL Server support was amazing. They would go through traces with you and explain everything going on, what different technique

In the 90s/2000s their Microsoft SQL Server support was amazing. They would go through traces with you and explain everything going on, what different techniques could be applied, performance considerations, etc from the highest level down to disk access. Their SQL support literally changed my skills to a point it changed my career. They could have recorded those calls and sold access they were so good and explained things so well.