CMP vs. BMP. twilight Aug 25, 2001 7:08 PM I've been using CMP most of the time while learning EJB, but I ...

Mar 25, 2004 · Whenever possible, use container-managed persistence (CMP) rather than bean-managed persistence (BMP) In BMP, the bean provider codes database access calls using JDBC, SQLJ, and so on in bean methods. In CMP, the container provider tools generate database access calls at the enterprise bean's deployment time.

I have to choose between BMP vs CMP for a small yet mission-critical project which is backended by MS SQLServer. I expect 300K transactions per day (~3 transaction per second), 24/7. My natural choice is CMP, but I wonder how stable is the CMP support for MSSQLServer, regarding JBOSS and third-party drivers.

Dec 11, 2002 · Can someone explain me the pros and cons of using OJB instead of the built-in CMP? Or are people attempting to use OJB not entirely up-to-date, as Marc Fleury writes in his 'blue'paper on page 7: 'In fact I would argue that CMP2.0 is doing what JDO failed to do, providing a robust and frameworkworthy persistence engine for java (once generalized).

Mar 28, 2002 · CMP 2.0 vs BMP - Which performes better? munisp Mar 28, 2002 5:53 PM I am in the process of building a database intensive app and wanted to know whether to use container manage persistence versus bean manage persistence for this database intensive application.

Mar 3, 2004 · Compare to CMP1.1, CMP2 has come long way with the new features like CMR and optimized loading, etc... We would prefer to use CMP so we could use the method level security and would be much faster compared to BMP. Of course, all the read will happen from the session bean to database using the DAO classes.

CMP or BMP? neilmcc Oct 5, 2001 10:01 AM I vaguely remember that it used to be the case with Jboss 2.0 that changing a CMP bean (eg adding new fields)would cause the existing data in the underlying table to be lost.

Mar 29, 2004 · It is said that CMP or BMP has poor performance. I am not sure that JDO or Hibernate O/R mapping has the same advantages as Entity Bean such as security and transaction. The homepage of JBoss.org shows that Hibernate O/R mapping is the most popular O/R mapping solution.

Mar 24, 2003 · Session beans are used for implementing business services tier whereas entity beans (BMP/CMP) are used for implementing business domain tier. The business domain tier is used for representing your application object model. you can resolve there objects relations (one to one, one to many, many to many), and objets integrity.

Oct 14, 2001 · BMP-Castor VS CMP-JAWS. mmagnaye Oct 14, 2001 10:44 PM I'm trying to find out which combination of the ...