windows平台下如何修改mysql数据库密码(how to modify the mysql database password under the windows platform)

windows平台下如何修改mysql数据库密码(how to modify the mysql database password under the windows platform)

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时间:2018-04-29

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1、windows平台下如何修改mysql数据库密码(HowtomodifytheMySQLdatabasepasswordunderthewindowsplatform)HowtomodifytheMySQLdatabasepasswordunderthewindowsplatformThefirstthingtodeclareisthatinmostcases,modifyingMySQLrequiresrootprivilegesinmysql,Sotheaverageusercannotchangethepasswordunlesstheadministratorisre

2、quested.MethodoneUsingphpMyAdmin,thisistheeasiesttomodifytheusertablesoftheMySQLlibrary,Butdon'tforgettousethePASSWORDfunction.MethodtwoUsingmysqladmin,thisisaspecialcasethatwaspreviouslydeclared.Mysqladmin,-u,root,-p,password,mypasswdSuchas:D:Mysqlbin>mysqladmin,-u,root,-p,password,admin

3、Enterpassword:(enteryourpasswordhere)Afterenteringthiscommand,youneedtoentertheoriginalpasswordforroot,andthenthepasswordforrootwillbechangedtomypasswd.Changetherootinthecommandtoyourusername,soyoucanchangeyourownpassword.Ofcourse,ifyourmysqladmindoesn'tconnecttoMySQLserver,oryoucan'texecut

4、emysqladmin,Thenthismethodisinvalid.Andmysqladmincan'temptythepassword.ThefollowingmethodsareusedattheMySQLpromptandmusthaveMySQLpermissionsforroot:MethodthreeMysql>,Insert,INTO,mysql.user(Host,User,Password)VALUES(%,'jeffrey',PASSWORD('biscuit'));Mysql>FLUSHPRIVILEGESTobeexact,thisisadding

5、auserwhoseusernameisJeffreyandthepasswordisbiscuit.IntheMySQLChinesereferencemanual,thereisthisexample,soIwroteitout.NotethatyouusethePASSWORDfunction,andthenusetheFLUSHPRIVILEGES.MethodfourAndmethod31,justusetheREPLACEstatementMysql>,REPLACE,INTO,mysql.user(Host,User,Password)VALUES(%,'jef

6、frey',PASSWORD('biscuit'));Mysql>FLUSHPRIVILEGESMethodfiveUsingtheSETPASSWORDstatement,Mysql>,SET,PASSWORD,FOR,jeffrey@,%=PASSWORD('biscuit');ItisalsonecessarytousethePASSWORD()function,Butyoudon'tneedtouseFLUSHPRIVILEGES.MethodsixUsingtheGRANT...IDENTIFIEDBYstatementMysql>GRANTUSAGEONTOjef

7、frey@.*"%"IDENTIFIEDBY'biscuit';ThePASSWORD()functionisnotnecessaryhere,nordoesitrequiretheuseofFLUSHPRIVILEGES.Note:PASSWORD()[not]appliespasswordencryptioninthesamewaythattheUnixpasswordisencrypted.MySQL'ssolutiontoaforgottenpasswordIfMySQLisrunning,ki

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