There are two ways to build enterprise application solutions: link together disparate, best-of-breed solutions, in which vendors embrace open architectures and inter-application messaging protocols, or find a one-stop-shop with all the software, functionality, and interoperability one could ever ask for. Oracle insists the latter is the best way, and it is their way. But is it best for Collaborative-Commerce? Is their vision of C-Commerce and interoperability yours as well?
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Financial Services / Banking Utilities Oracle's Multiple Tier Approach: Confused Yet? Basically, you need to buy all three products, Oracle Database, Oracle Application Server, and Oracle E-Business Suite, to have Oracle's complete C-Commerce solution. Oracle has split functionality that other companies include strictly at the application layer, across their three layers. Oracle, and Oracle alone, can do this; no one else in the marketplace has all three platforms across which to spread functionality.