The following uses the version number "mysql-5.6.1-m1" as an example to illustrate the meaning of the mysql version number.
●The first number (5) represents the major version and describes the file format. All versions of MySQL use the same file format.
● The second number (6) is the issuance level, and the first number constitutes the issuance serial number.
● The third number is the version number in the release sequence. Each time a new version is released in the sequence, the version number will increase by 1.
Version number suffix:
The release version number may also contain a suffix, which indicates the stability level of the release. Possible suffixes are:
● No suffix. Indicate that this is a stable version (General Avaliablity, GA), or a product-level release. GA release is stable, indicating that it has passed the testing of the early release stage, is stable, has fixed major bugs, and is suitable for the production environment. Only some critical fixes will be applied by this release.
●mN. This is a milestone version number. The version number within each milestone may only focus on testing and improving some features. When these features are completed, the next milestone will begin.
● rc. Indicates that this is a release candidate version, indicating that the version has been internally tested and all known fatal bugs have been fixed. However, because this version has not been widely used for a long time, it is certain that all bugs have been completely fixed. This version has only a few fixes.
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