Shulou(Shulou.com)06/01 Report--

In ORACLE ADF, VO is a thing that adds, deletes, modifies and searches, which can be understood as a combination of a collection of ordinary JAVA BEAN (such as List) + DAO. The number of fields in the query statement will be mapped to a JAVA object, and this object will have so many fields. At the same time, the JAVA class corresponding to each VO provides many built-in query methods, which is similar to the query method of DAO.

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