PostgreSQL version numbers - Amazon Relational Database Service (original) (raw)

The version numbering sequence for the PostgreSQL database engine is as follows:

• For PostgreSQL versions 10 and higher, the engine version number is in the form major.minor. The major version number is the integer part of the version number. The minor version number is the fractional part of the version number.
  A major version upgrade increases the integer part of the version number, such as upgrading from 10.minor to 11.minor.
• For PostgreSQL versions lower than 10, the engine version number is in the form_major.major.minor_. The major engine version number is both the integer and the first fractional part of the version number. For example, 9.6 is a major version. The minor version number is the third part of the version number. For example, for version 9.6.12, the 12 is the minor version number.
  A major version upgrade increases the major part of the version number. For example, an upgrade from_9.6_.12 to 11.14 is a major version upgrade, where 9.6 and_11_ are the major version numbers.

For information about RDS Extended Support version numbering, see Amazon RDS Extended Support version naming.

Upgrades of the PostgreSQL DB engine

RDS version numbers

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