: You must license all physical cores in the server (minimum of 4 core licenses per physical processor).

: One server license per operating system environment (OSE) plus a Client Access License (CAL) for every user or device.

To purchase Microsoft SQL Server, you must first choose between two primary licensing models: (based on server hardware) or Server + CAL (based on the number of users or devices). 1. Choose a Licensing Model

: Ideal for servers with many users or web-facing applications.