| Oracle | PostgreSQL |
|---|---|
| Oracle is mostly an aid object-relational database management system. It is the first database management system designed for grid computing. | PostgreSQL is a free, open-source object-relational database management system that follows SQL standards and extensibility. |
| Oracle is written and implemented in C, C++, and assembly language. | PostgreSQL is written and implemented in C language. |
| Oracle is a comparatively old database. It was developed by Larry Ellison and Bob on 16 June 1977. | PostgreSQL is comparatively a new database. It was developed by the PostgreSQL Global Development group on 8 July 1996. |
| One must require a license to use Oracle. | PostgreSQL is open-source and free to use. |
| In Oracle, server operating systems are OS X, Linux, Windows, z/OS, AIX, HP-UX, etc. | In PostgreSQL, server operating systems are HP-UX, NetBSD, Solaris, Windows, Unix, Linux, FreeBSD, etc. |
| Oracle provides advanced security options. | PostgreSQL also provides good security support but less compared to Oracle. |
| Oracle provides support for the programming languages such as C, C++, JAVA, PERL, .NET, JavaScript, PHP, etc. | PostgreSQL provides support for the programming languages such as C, C++, JAVA, PERL, SCALA, PHP, C#, COBOL, JavaScript, etc. |
