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J2EE™ and Beyond: Design, Develop, and Deploy World-Class Java™ Software by Art Taylor

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Data Type Mapping

As you might expect, the data types of the Java language do not have the same names as the data types of the various relational databases. In fact, relational databases do not have consistent naming among all of the data types they use. Though most relational databases implement some or all of the ANSI SQL 92 data types, most have added additional data types. Part of the reason for this was an effort to distinguish database products and provide additional functionality that users desired, functionality such as a more robust set of data types to serve users' needs.

The data type picture becomes more interesting when the ANSI SQL 99 data types are added to the mix. The ANSI SQL 99 specification includes distinct data types, the ...

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