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What is the difference between JDO and EJB 2?

April 26, 2017difference EJB JDO

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What is the difference between JDO and EJB 2?

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Enterprise Java Beans are managed distributed components that handle application-level security and automatic transaction demarcation. In contrast, JDO simply provides a transparent means to persist Java objects to a datastore. EJB and JDO are complimentary technologies; developers can to write their EJBs to utilize the transparent persistence provided by JDO, rather than being limited to the restrictions of using the built-in CMP persistence or vendor-specific application server extensions.