sql - how to make a db schema such that its use is supported by all db management systems -

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is there windows xp utility make database such support sql server, oracle, , other db management systems.

the database schema huge know use make protable sql server oracle if future demands change?

i recommend building database using orm hibernate java (or nhibernate .net). allow seamlessly transition one database type other little no issues. allow logically create database schema without specific database in mind, move 1 database other.

i have created applications change sql server mysql oracle ms access sqlite (clients love flexibility).

however, need know way around programming...


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