Readers of this guide are assumed to be familiar with relational database concepts. They are also assumed to be familiar with the operating system environment under which they are running Oracle.Administrators frequently participate in installing the Oracle server software and migrating existing Oracle databases to newer formats (for example, version 8 databases to OracIe 9i format). This guide is not an installation or migration manual.If your primary interest is installation, see your operating system specific Oracleinstallation guide.If your primary interest is database or application migration, see the Oracle 9i Database Migration manual.In addition to administrators, experienced users of Oracle and advanced database application designers might aiso find information in this guide useful.However, database application developers should also see the Oracle 9i Application Developer's Guide - Fundamentals and the documentation for the tool or language product they are using to develop Oracle database applications.