Perpetual Licenses give the buyer a continuous license to the product version.
You can purchase the license through a company or an organization and share it between the members.
(within the number of licensed users purchased)
Purchasing a new license includes a maintenance license that allows you to update your SQLGate to the latest version for one year.
After one year, a maintenance license is needed to continue updating to the latest product. You must purchase it within one year of the expiration date.