These aim to enhance and complement existing database functionality to meet customer-specific requirements.
Apart from the clearly defined database options, Oracle databases may include many semi-autonomous software sub-systems, which Oracle Corporation sometimes refers to as "features" in a sense subtly different from the normal use of the word.
As of 2016 Oracle holds #1 RDBMS market share worldwide based on the revenue share ahead of its four closest competitors – Microsoft, IBM, SAP and Teradata .
In the market for relational databases, Oracle Database competes against commercial products such as IBM's DB2 UDB and Microsoft SQL Server.
Oracle SQL Developer, a free graphical tool for database development, allows developers to browse database objects, to run SQL statements and SQL scripts, and to edit and debug PL/SQL statements. Oracle REST Data Services (ORDS) function as a Java EE-based alternative to Oracle HTTP Server, web site – known as "Meta Link" until a re-branding exercise completed in October 2010.
The support site provides users of Oracle Corporation products with a repository of reported problems, diagnostic scripts and solutions.
The various editions and Cloud services provide different levels of database functionality for different use cases (e.g.
The "c" in the current release, Oracle Database 19c, stands for "Cloud". Oracle Database 10g and Oracle9i Database) have used suffixes of "g" and "i" which stand for "Grid" and "Internet" respectively.The Oracle Database Administrators Guide includes a brief history on some of the key innovations introduced with each major release of Oracle Database.Oracle Corporation releases Critical Patch Updates (CPUs) or Security Patch Updates (SPUs) Oracle Database may be licensed and deployed on-premises on a choice of platforms including Oracle Engineered Systems, and on-Cloud with a choice of services running on general purpose hardware or Exadata.SDL developed the original version of the Oracle software.
The name Oracle comes from the code-name of a CIA-funded project Ellison had worked on while formerly employed by Ampex.Oracle Corporation also endorses certain practices and conventions as enhancing the use of its database products.