A Cross-Product Language
You can apply the basic concepts introduced in this book in many environments, for example, Microsoft Access running on a single-user Windows application or SQL Server running with 100 user connections. One of SQL's greatest benefits is that it is truly a cross-platform language and a cross-product language. Because it is also what programmers refer to as a high-level or fourth-generation language (4GL), a large amount of work can be done in fewer lines of code.
Early Implementations
Oracle Corporation released the first commercial RDBMS that used SQL. Although the original versions were developed for VAX/VMS systems, Oracle was one of the first vendors to release a DOS version of its RDBMS. (Oracle is now available on ...
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