Что означают загадочные буквы и цифры в окончании номера версии продуктов информикса?
Система нумерации версий продуктов Информикса заключается в следующем:
Major Releases, Enhancement Releases, and Maintenance Releases incorporate all available fixes to priority problems, whether common across hardware platforms, or platform-specific. Each type also undergoes a complete test and quality assurance cycle.
A Major Release contains significant new architectural enhancements and new product functionality. In Informix's version numbering scheme, a Major Release is denoted by the digit to the left of the decimal point. Examples of Major Releases are Informix Dynamic Server 7.x, Informix Dynamic Server with Universal Data Option 9.x, Informix Dynamic 4GL 2.x, and so on.
An Enhancement Release contains new product features and enhancements, as well as all of the defect fixes contained in preceding Maintenance and Interim Releases. In Informix's version numbering scheme, Enhancement Releases are denoted by the first digit to the right of the decimal point. Examples of Enhancement Releases are Informix Dynamic Server 7.2x, Informix Dynamic Server with Universal Data Option 9.1x, Informix Dynamic 4GL 2.1x, and so on.
The primary objective of Maintenance Releases is to deliver defect fixes that improve product reliability and performance. Maintenance Releases may contain some new feature enhancements that contribute to increased database performance. In Informix's version numbering scheme, Maintenance Releases are denoted by the second digit to the right of the decimal point. Examples of Maintenance Releases are Informix Dynamic Server 7.24, Informix Dynamic Server with Universal Data Option 9.14, Informix Dynamic 4GL 2.11, and so on.
Between Maintenance Releases, fixes to critical problems may be distributed via an Interim Release. Interim Releases receive significant quality assurance testing; however, in the interest of providing fixes in a timely fashion, Interim Releases receive a subset of the tests performed on full releases.
There are two types of patches:
If an emergency or diagnostic patch accomplishes the intended goal, a permanent solution will be incorporated into the next Interim Release. The emergency or diagnostic patch will cease to be supported 60 days after the Interim Release is made available.
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