Oracle对老版本数据库的支持策略 Lifetime Support Policy Additional Cost to maintain Older Versions

Oracle对老版本数据库的支持策略 Lifetime Support Policy Additional Cost to maintain Older Versions   Premier Support - provides you with maintenance and support of your Oracle Database, Oracle Fusion Middleware, and Oracle Applications for five years from their general availability date. Extended Support - lets you stay competitive, with the freedom to upgrade on your timetable. It provides you with an extra three years of support for specific Oracle releases for an additional fee. You benefit from the same quality of service you receive with Premier Support, with the security of knowing you can expand your systems when the time is right. Sustaining Support - puts you in control of your upgrade strategy. With Sustaining Support, you will receive technical support for as long as you operate your systems—including access to our online support tools, knowledgebases, pre-existing fixes for your solution, and assistance from technical support experts.
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原文地址：https://www.cnblogs.com/macleanoracle/p/2968226.html