{"id":75644,"date":"2024-10-16T00:01:16","date_gmt":"2024-10-15T16:01:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/75644\/"},"modified":"2024-10-16T00:01:17","modified_gmt":"2024-10-15T16:01:17","slug":"mysql-%e4%bf%ae%e6%94%b9%e5%af%86%e7%a2%bc%e6%96%b9%e6%a1%88%e5%8c%af%e7%b8%bd","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/75644\/","title":{"rendered":"MySQL \u4fee\u6539\u5bc6\u78bc\u65b9\u6848\u532f\u7e3d"},"content":{"rendered":"

MySQL \u4fee\u6539\u5bc6\u78bc\u65b9\u6848\u532f\u7e3d<\/h1>\n

\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0cMySQL \u662f\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u3002\u96a8\u8457\u5b89\u5168\u6027\u9700\u6c42\u7684\u63d0\u9ad8\uff0c\u5b9a\u671f\u4fee\u6539\u6578\u64da\u5eab\u5bc6\u78bc\u6210\u70ba\u4e00\u9805\u91cd\u8981\u7684\u7dad\u8b77\u5de5\u4f5c\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5e7e\u7a2e\u5728 MySQL \u4e2d\u4fee\u6539\u5bc6\u78bc\u7684\u65b9\u6848\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7ba1\u7406\u5176\u6578\u64da\u5eab\u5b89\u5168\u3002<\/p>\n

\u65b9\u6848\u4e00\uff1a\u4f7f\u7528 MySQL \u547d\u4ee4\u884c\u5de5\u5177<\/h2>\n

\u6700\u5e38\u898b\u7684\u4fee\u6539 MySQL \u5bc6\u78bc\u7684\u65b9\u6cd5\u662f\u901a\u904e\u547d\u4ee4\u884c\u5de5\u5177\u3002\u4ee5\u4e0b\u662f\u5177\u9ad4\u6b65\u9a5f\uff1a<\/p>\n

    \n
  1. \u9996\u5148\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u767b\u9304 MySQL\uff1a<\/li>\n
    mysql -u root -p<\/code><\/pre>\n
  2. \u8f38\u5165\u7576\u524d\u7684 root \u5bc6\u78bc\u5f8c\uff0c\u9032\u5165 MySQL \u547d\u4ee4\u884c\u754c\u9762\u3002<\/li>\n
  3. \u63a5\u4e0b\u4f86\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4fee\u6539\u5bc6\u78bc\uff1a<\/li>\n
    ALTER USER 'username'@'host' IDENTIFIED BY 'new_password';<\/code><\/pre>\n
  4. \u4f8b\u5982\uff0c\u82e5\u8981\u5c07\u7528\u6236 ‘user1’ \u7684\u5bc6\u78bc\u6539\u70ba ‘newpass123’\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/li>\n
    ALTER USER 'user1'@'localhost' IDENTIFIED BY 'newpass123';<\/code><\/pre>\n
  5. \u6700\u5f8c\uff0c\u57f7\u884c\u4ee5\u4e0b\u547d\u4ee4\u4ee5\u4f7f\u66f4\u6539\u751f\u6548\uff1a<\/li>\n
    FLUSH PRIVILEGES;<\/code><\/pre>\n<\/ol>\n
    \u65b9\u6848\u4e8c\uff1a\u4f7f\u7528 MySQL Workbench<\/h2>\n
    \u5c0d\u65bc\u4e0d\u719f\u6089\u547d\u4ee4\u884c\u7684\u7528\u6236\uff0cMySQL Workbench \u63d0\u4f9b\u4e86\u4e00\u500b\u5716\u5f62\u5316\u754c\u9762\u4f86\u4fee\u6539\u5bc6\u78bc\u3002\u6b65\u9a5f\u5982\u4e0b\uff1a<\/p>\n
      \n
    1. \u6253\u958b MySQL Workbench\uff0c\u4e26\u9023\u63a5\u5230\u6578\u64da\u5eab\u3002<\/li>\n
    2. \u5728\u5de6\u5074\u7684\u5c0e\u822a\u6b04\u4e2d\uff0c\u627e\u5230\u4e26\u53f3\u9375\u9ede\u64ca\u8981\u4fee\u6539\u5bc6\u78bc\u7684\u7528\u6236\u3002<\/li>\n
    3. \u9078\u64c7\u201cEdit User\u201d\u9078\u9805\u3002<\/li>\n
    4. \u5728\u5f48\u51fa\u7684\u7a97\u53e3\u4e2d\uff0c\u8f38\u5165\u65b0\u7684\u5bc6\u78bc\uff0c\u7136\u5f8c\u9ede\u64ca\u201cApply\u201d\u4ee5\u4fdd\u5b58\u66f4\u6539\u3002<\/li>\n<\/ol>\n
      \u65b9\u6848\u4e09\uff1a\u4f7f\u7528 SQL \u8173\u672c<\/h2>\n
      \u5982\u679c\u9700\u8981\u6279\u91cf\u4fee\u6539\u591a\u500b\u7528\u6236\u7684\u5bc6\u78bc\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528 SQL \u8173\u672c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\u8173\u672c\uff1a<\/p>\n
      SET @new_password = 'newpass123';\nUPDATE mysql.user SET authentication_string = PASSWORD(@new_password) WHERE User = 'user1';\nFLUSH PRIVILEGES;<\/code><\/pre>\n
      \u9019\u6bb5\u8173\u672c\u5c07\u7528\u6236 ‘user1’ \u7684\u5bc6\u78bc\u6279\u91cf\u4fee\u6539\u70ba ‘newpass123’\u3002\u5728\u57f7\u884c\u6b64\u8173\u672c\u4e4b\u524d\uff0c\u8acb\u78ba\u4fdd\u5df2\u7d93\u5099\u4efd\u6578\u64da\u5eab\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u60c5\u6cc1\u767c\u751f\u3002<\/p>\n
      \u65b9\u6848\u56db\uff1a\u91cd\u7f6e MySQL \u5bc6\u78bc<\/h2>\n
      \u5982\u679c\u5fd8\u8a18\u4e86 MySQL \u7684 root \u5bc6\u78bc\uff0c\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u6b65\u9a5f\u91cd\u7f6e\uff1a<\/p>\n
        \n
      1. \u505c\u6b62 MySQL \u670d\u52d9\uff1a<\/li>\n
        sudo systemctl stop mysql<\/code><\/pre>\n
      2. \u4ee5\u5b89\u5168\u6a21\u5f0f\u555f\u52d5 MySQL\uff1a<\/li>\n
        sudo mysqld_safe --skip-grant-tables &<\/code><\/pre>\n
      3. \u7136\u5f8c\uff0c\u4f7f\u7528\u547d\u4ee4\u884c\u767b\u9304 MySQL\uff1a<\/li>\n
        mysql -u root<\/code><\/pre>\n
      4. \u57f7\u884c\u4ee5\u4e0b\u547d\u4ee4\u91cd\u7f6e\u5bc6\u78bc\uff1a<\/li>\n
        UPDATE mysql.user SET authentication_string = PASSWORD('newpass123') WHERE User = 'root';<\/code><\/pre>\n
      5. \u6700\u5f8c\uff0c\u91cd\u65b0\u555f\u52d5 MySQL \u670d\u52d9\uff1a<\/li>\n
        sudo systemctl restart mysql<\/code><\/pre>\n<\/ol>\n
        \u7e3d\u7d50<\/h2>\n
        \u5728 MySQL \u4e2d\u4fee\u6539\u5bc6\u78bc\u662f\u78ba\u4fdd\u6578\u64da\u5eab\u5b89\u5168\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u7121\u8ad6\u662f\u901a\u904e\u547d\u4ee4\u884c\u3001\u5716\u5f62\u754c\u9762\u9084\u662f SQL \u8173\u672c\uff0c\u9078\u64c7\u9069\u5408\u81ea\u5df1\u7684\u65b9\u6cd5\u90fd\u80fd\u6709\u6548\u5730\u7ba1\u7406\u7528\u6236\u5bc6\u78bc\u3002\u5b9a\u671f\u6aa2\u67e5\u548c\u66f4\u65b0\u5bc6\u78bc\u80fd\u5920\u964d\u4f4e\u6578\u64da\u6d29\u9732\u7684\u98a8\u96aa\uff0c\u4fdd\u8b77\u60a8\u7684\u6578\u64da\u5b89\u5168\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u6578\u64da\u5eab\u7ba1\u7406\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528 \u9999\u6e2fVPS<\/a> \u670d\u52d9\uff0c\u63d0\u4f9b\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u904b\u884c\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
        \u63a2\u7d22\u591a\u7a2eMySQL\u4fee\u6539\u5bc6\u78bc\u65b9\u6848\uff0c\u7c21\u55ae\u6b65\u9a5f\u52a9\u60a8\u5b89\u5168\u66f4\u65b0\u6578\u64da\u5eab\u5bc6\u78bc\uff0c\u78ba\u4fdd\u6578\u64da\u5b89\u5168\u8207\u7ba1\u7406\u4fbf\u5229\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-75644","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75644","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=75644"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75644\/revisions"}],"predecessor-version":[{"id":75645,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75644\/revisions\/75645"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=75644"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=75644"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=75644"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}