As an FAQ you can easily navigate to the sections of interest. It is recommended to start with the NLS_LANG Parameter Fundamentals section first to get a basic understanding of how the NLS_LANG parameter works.
XML to DDL is a set of python programs to convert an XML representation of a schema into a database and vice versa. It can also examine the differences between two databases and emit the ALTER DDL statements required to bring the database up-to-date. This
This Guide will introduce you to using Oracle for several basic tasks, as well as how to configure the Oracle environment and use special features of its user interface. This guide is divided into the following sections: