themysqlnamingschemeusesreleasenamesthatconsistofthreenumbersandasuffix； for example，MySQL-4.1.2-alpha.thenumberswithinthereleasenameareinterpretedlikethis 3360
the first编号(4) isthemajorversionandalsodescribesthefileformat.all version4releaseshavethesamefileformat。
thesecondnumber(1) isthereleaselevel.taken together，themajorversionandreleaselevelconstitutethereleaseseriesnumber。
thethirdnumber(2) istheversionnumberwithinthereleaseseries.thisisincrementedforeachnewrelease.usuallyouwantthelatestestverease
For each minor update，thelastnumberintheversionstringisincremented.whentherearemajornewfeaturesorminorincompatibilitieswithprpred thesecondnumberintheversionstringisincremented.whenthefileformatchanges，the first number is increased。
releasenamesalsoincludeasuffixtoindicatethestabilityleveloftherelease.releaseswithinaseriesprogressthroughasetofsufffixestoinestoinestoinioine
alphaindicatesthatthereleasecontainssomelargesectionofnewcodethathasn ' t been 100 % tested.known bugs (usuallytherearearenone ) enewssectionoftheonlinemanualat http://dev.MySQL.com/doc/MySQL/en/news.html.therearealsonewcommandsandextensionsinmostalphareleases.activedevelopmentthatmayinvemajorcodechangescanocucus buteverythingwillbetestedbeforeissuingarelease.forthis reason，thereshouldbenoknownbugsinanymysqlrelease。
betameansthatallnewcodehasbeentested.nomajornewfeaturesthatcouldcausecorruptioninoldcodeareadded.thereshouldbenoknownbugs vs whentherehaven ' tbeenanyreportedfatalbugswithinanalphaversionforatleastamonthandwehavenoplansto addanyfeaturesthatcouldmakeanyanyto
gammaisabetathathasbeenaroundawhileandseemstoworkfine.onlyminorfixesareadded.thisiswhatmanyothercompaniescalllarelease。
If there is no suffix， itmeansthattheversionhasbeenrunforawhileatmanydifferentsiteswithnoreportsofbugsotherthanplatform -特定bugs.only关键型