PostgreSQL is an object-relational database management system that puts particular emphasis on extensibility and standards compliance. PostgreSQL is known as Postgres. It is commonly utilized as a database server. When utilized in this way, its primary functions are to securely store data and return the data stored upon request by software applications.

There are numerous advantages to using PostgreSQL as a datastore. Some of these advantages are:

• Extensibility: The features of PostgreSQL can be easily and readily extended by its users. This is because its source code is available to all for free.
• Portability: PostgreSQL is available for all major platforms. Versions of PostgreSQL are available for almost every UNIX brand. Windows compatibility is also made possible via they Cygwin framework.
• Integrity: Ready availability of GUI-based tools that facilitate easy interactions with PostgreSQL.