The Oracle Certification training Program certifies candidates on skills and knowledge related to Oracle products and technologies.

There are 5 levels of Oracle Certification credentials:

Oracle Certified Associate (OCA)
Oracle Certified Professional (OCP)
Oracle Certified Master (OCM)
Oracle Certified Expert (OCE)
Oracle Certified Specialist (OCS).

These credentials are spread across 9 technology pillars and further broken down into product family and product groupings.

Oracle certification types

Oracle's training and certification program is divided into the following top-level categories:

Applications
Database
Enterprise Management
Foundation
Industries
Java and Middleware
Operating Systems
Systems

Applications

This category has one or more certifications for each of the following Oracle applications:

ATG Web Commerce
Agile
CRM on Demand
Demantra
E-Business Suite
Eloqua
Endeca
Fusion
Hyperion
JD Edwards EnterpriseOne
Oracle Financials
Oracle Global Trade Management
Oracle Policy Automation
Oracle Sales Cloud
Oracle Social Cloud
Oracle Transportation Management
Oracle Unified Method
PeopleSoft
Primavera
RightNow
Siebel
Taleo
User Productivity Kit (UPK)

Database

This category has multiple certifications for each of the following versions of Oracle Database:

Oracle 9i
Oracle 10g
Oracle 11g
Oracle 12c
Oracle Spatial 11g
Oracle Database Cloud

The other certifications in this category are:

Database Application Development
MySQL Database Administration
MySQL Developer

Enterprise Management

There are certifications available for Oracle Enterprise Manager versions 11g and 12c.
Foundation

Here are the certifications available in the Foundations category:

Oracle Technical Architecture
Lifecycle Management

Industries

This category sorts certain Oracle products by the industry they are most commonly associated with. Here are the industry sub-categories:

Oracle Communications
Oracle Health Sciences
Oracle Insurance
Oracle Retail
Oracle Tax Applications
Oracle Utilities

Java and Middleware

This category has one or more certifications for each of the following products and disciplines:

Application Server and Infrastructure
Business Intelligence (BI)
Data Integration
Identity Management
Involver
Java
M2M Platform
Middleware Development Tools
SOA and BPM
WebCenter

Operating Systems

There are multiple certifications available for the following operating systems:

Oracle Linux 5 and 6
Solaris 10
Solaris 11

Systems

This category has one or more certifications for each of the following products and disciplines:

Engineered Systems
Servers
Storage

Virtualization

There are certifications available for Oracle Virtual Desktop Infrastructure 3, and Oracle VM 2.0 and 3.0.

Some Universities for Oracle Certifications Training

ECPI University
Glen Allen

New Horizons Computer Learning Center of Omaha
Omaha

ABCO Technology
Los Angeles

Kaplan University - KHE
Mason City

CDI College
Ajax

Colorado Technical University
Colorado Springs