Is Quest SQL Optimizer for Oracle licensed by the seat or by the server or a combination of the t (4260492)

Is Quest SQL Optimizer for Oracle licensed by the seat or by the server or a combination of the t

Is Quest SQL Optimizer for Oracle licensed by the seat or by the server or a combination of the two?
How exactly is Quest SQL Optimizer for Oracle licensed?

Primarily, SQL Optimizer is sold as seat, CPU-based or server by tiers.
The customer buys one licensing model or the other.
The licensing is mutually exclusive.

For non-seat based licenses, the count is on where the database server resides.
As for CPU-based licensing, the number of CPUs in the license indicates maximum number of CPUs of all physical servers (where all the database servers reside) that the user wants to access with SQL Optimizer.