Written by Oracle insiders, this indispensable guide distills an enormous amount of information about the Oracle Database into one compact volume. Ideal for novice and experienced DBAs, developers, managers and users, Oracle Essentials walks you through technologies and features in Oracles product line, including its architecture, data structures, networking, concurrency and tuning.
Complete with illustrations and helpful hints, this fifth edition provides a valuable one-stop overview of Oracle Database 12c, including an introduction to Oracle and cloud computing. Oracle Essentials provides the conceptual background you need to understand how Oracle truly works.

Topics include:

A complete overview of Oracle databases and data stores and Fusion Middleware products and features
Core concepts and structures in Oracles architecture, including pluggable databases
Oracle objects and the various data types Oracle supports
System and database management, including Oracle Enterprise Manager 12c
Security options, basic auditing capabilities and options for meeting compliance needs
Performance characteristics of disk, memory and CPU tuning
Basic principles of multiuser concurrency
Oracles online transaction processing (OLTP)
Data warehouses, Big Data and Oracles business intelligence tools
Backup , recovery and high availability and fail over solutions.