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grant all privileges on *.* to ´´½¨µÄÓû§Ãû@localhost identified by "ÃÜÂë";
flush privileges; \* ˢиղŵÄÄÚÈÝ*\
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# mysql -u root -p
>;grant select,insert,update,delete on *.* to root@"202.11.10.253" Identified by "dboomysql";
----ÔÊÐíµØÖ·202.11.10.253ÉÏÓÃrootÓû§£¬ÃÜÂëdboomysqlÀ´Á¬½ÓmysqlµÄËùÓÐÊý¾Ý¿â£¬¸¶¸øselect,insert,update,deleteȨÏÞ¡£
grant all on *.* to root@"202.11.10.253" Identified by "dboomysql"
ÔÊÐíµØÖ·202.11.10.253ÉÏÓÃrootÓû§£¬ÃÜÂëdboomysqlÀ´Á¬½ÓmysqlµÄËùÓÐÊý¾Ý¿â£¬¸¶¸øËùÓÐȨÏÞ¡£
ÕâÑùÓÃÊý¾Ý¿â¹ÜÀíÈí¼þ¾Í¿ÉÒÔÔ¶³Ì·ÃÎÊMysqlÁË¡£
======================================
A1:
    Ô¶³ÌÁ¬½Óµ½MySQLÐèÒª×öµÄ
    1. ½øÈëMySQL,´´½¨Ò»¸öÐÂÓû§xuys:
   
    ¸ñʽ: grant ȨÏÞ on Êý¾Ý¿âÃû.±íÃû Óû§@µÇ¼Ö÷»ú identified by "Óû§ÃÜÂë";
    grant select,update,insert,delete on *.* to xuys@192.168.88.234 identified by "xuys1234";
   
    ²é¿´½á¹û,Ö´ÐÐ:
    use mysql;
    select host,user,password from user;
   
    ¿ÉÒÔ¿´µ½ÔÚuser±íÖÐÒÑÓиղŴ´½¨µÄxuysÓû§,host×ֶαíʾµÇ¼µÄÖ÷»ú,ÆäÖµ¿ÉÒÔÓÃIP,Ò²¿ÉÓÃÖ÷»úÃû,½«host×ֶεÄÖµ¸ÄΪ%¾Í±íʾÔÚÈκοͻ§¶Ë»úÆ÷ÉÏÄÜÒÔxuysÓû§µÇ¼µ½MySQL·þÎñÆ÷,½¨ÒéÔÚ¿ª·¢Ê±ÉèΪ%.
    update user set host = '%' where user = 'xuys';
    2.
    ./mysqladmin -u root -p pwd reload
    ./mysqladmin -u root -p pwd shutdown
    3.
    ./mysqld_safe --user=root &
   
    ¼Çס: ¶ÔÊÚȨ±íµÄÈκÎÐ޸ͼÐèÒªÖØÐÂreload,¼´Ö´ÐеÚ3²½.
    Èç¹û¾­¹ýÒÔÉÏ3¸ö²½Ö軹ÊÇÎÞ·¨´Ó¿Í»§¶ËÁ¬½Ó,ÇëÖ´ÐÐÒÔϲÙ×÷,ÔÚMySQLÊý¾Ý¿âµÄdb±íÖвåÈëÒ»Ìõ¼Ç¼:
    use mysql;
    ins


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