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Hi All,
I am in a quandry about the performance issue
between JDO and Entity Beans..which technology gives better
performance..
1. Does JDO allow us to define our own database
structure in terms of
tables and field types? 2. If (1), does JDO allow us to define relationships between data elements in terms of primary and foreign key relationships? 3. How is dependent data serialised into the database? My question is this: will using a
serialisation API like JDO require that all data is loaded when objects
are accessed? For example, in the browser screens ,if we are browsing
through multiple information retrieved from database will we need to read
in all the objects that we are browsing?
If this is the case, then I am concerned that this will dramatically increase the memory requirements at the back end when many clients are connecting. In the JDO scenario, my current understanding is that we will need one object for each object we are manipulating per client. For entity beans, we only need one object (on the EJB server), which is accessed through multiple stub objects per client. Can you comment on this? Regards,
Saurabh http://www.sys-con.com/java/list.cfm |
Title: RE: [jdjlist] Re: How to set multiple reply recipients for outlook client using javamail
