Oracle has continued that theme
in the current database version highlighted in this book. In between major versions,
Oracle issues point releases that also add features but are more typically focused on
improvements to earlier capabilities.
The terms ???Oracle,??? ???Oracle8,??? ???Oracle8i,??? ???Oracle9i,??? ???Oracle Database 10g,??? and
???Oracle Database 11g??? might appear to be used somewhat interchangeably in this
book because Oracle Database 11g includes all the features of previous versions.
When we describe a new feature that was first made available specifically in a certain
release, we??™ve tried to note that fact to avoid confusion, recognizing that many
of youmaintain older releases of Oracle. We typically use the simple term ???Oracle???
when describing features that are common to all these releases.
Oracle Development has developed releases using a single source code model for the
core family of database products since 1983. While each database implementation
includes some operating-system-specific source code at very low levels in order to
better leverage specific platforms, the interfaces that users, developers, and administrators
deal with for each version are consistent.
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