Oracle Internet Developer Suite Articles

Saikat Goswami's picture

Get Started on XML


XML is everywhere. Whether you are an Oracle system administrator, a .NET developer, or a J2EE analyst, XML undoubtedly is something that you bump into. In this article, I attempted to give you the basics of what you need to know to jumpstart your understanding of XML.

Candidate keys: Choosing the right primary key


It is the business that has the knowledge about their entities (things of importance) and what kind of unique information that separate them (invoice numbers, customer IDs, and so on).

Your role as an analyst/designer is to validate such properties, and to fit them into a normalized database model that reflects the needs of the business.


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