The only significant licensing cost we have is SQL Server, and yes, we have considered alternatives, like PostgreSQL.
On one hand we would reduce costs by going to Postgres, on the other there would be a significant cost retuning all our SQL so to have an acceptable level of performance.
On one hand we would reduce costs by going to Postgres, on the other there would be a significant cost retuning all our SQL so to have an acceptable level of performance.