This diagram servers as an entry point to access the latest interactive technical architecture diagrams for Oracle Database products, features, and services. The following architectures …

A database instance contains a set of Oracle Database background processes and memory structures. The main memory structures are the System Global Area (SGA) and the Program …

In this tutorial, you will learn about the Oracle Database architecture and its components.

Jul 23, 2025 · Oracle Database employs a client-server architecture, with the database server and client connections running in separate processes. The server process manages data and …

Oracle Database 20c Technical Architecture This interactive diagram shows the Oracle Database 20c technical architecture. Show PDF | Show Instructions

In this article, I am going to discuss Oracle Database Architecture in detail. Please read our previous article, where we give a brief introduction to the Oracle database.

This diagram shows a single-instance database architecture, which has a one-to-one relationship between the database and the database instance. Multiple single-instance databases can …

To explore the technical architecture, click the links in the diagrams to drill down to more detailed views. To find the links, hover over (or move focus to) objects in the diagrams.

This comprehensive architecture guide provides the foundation for understanding Oracle’s evolution from traditional single-tenant databases to modern multitenant, cloud-ready …

This part describes the basic structural architecture of the Oracle database instance. This part contains the following chapters: This chapter explains the nature of an Oracle database …