* Elby Vaz
> I installed
>
>      mysql-4.0.9-gamma-win
>
> on my machine.
>
> What means "gamma" ?

The mysql server is constantly under development. Most people use 3.23.x,
some still use 3.22.x and even 3.21.x, and some (like you) are running the
new version 4.0.x. There is also a version 4.1.x under development, not yet
released.

"alfa", "beta" and "gamma" are 'stability indicators':

- A release labeled "alfa" is relatively 'dangerous' to run, a lot of code
have not been thoroughly tested. Version 4.0.0, 4.0.1 and 4.0.2 was "alfa".
Not recommended for production systems.

- "beta" means all code is tested, and new bugs have not been found
recently. Versions 4.0.3, 4.0.4 and 4.0.5 was "beta".

- "gamma" means the "beta" has proven over time to be bugfree[1]. From
version 4.0.6 mysql4 is labeled "gamma".

When this prefix is totally removed, the product is considered "stable".
This happened in 3.22.19 and 3.23.32, and will happen for 4.0.x when the
time is right, as decided by MySQL AB.

<URL: http://www.mysql.com/doc/en/Which_version.html >
<URL: http://www.mysql.com/doc/en/News.html >

[1] "...seems to work fine" is the words used in the mysql docs. There is no
such thing as "bugfree software".

--
Roger


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