{"id":825,"date":"2021-01-09T14:23:28","date_gmt":"2021-01-09T06:23:28","guid":{"rendered":"https:\/\/byy3.com\/?p=825"},"modified":"2021-01-09T14:23:28","modified_gmt":"2021-01-09T06:23:28","slug":"mysql%e7%94%a8%e6%88%b7%e7%ae%a1%e7%90%86%ef%bc%9a%e6%b7%bb%e5%8a%a0%e7%94%a8%e6%88%b7%e3%80%81%e6%8e%88%e6%9d%83%e3%80%81%e5%88%a0%e9%99%a4%e7%94%a8%e6%88%b7","status":"publish","type":"post","link":"https:\/\/byy3.com\/?p=825","title":{"rendered":"MySQL\u7528\u6237\u7ba1\u7406\uff1a\u6dfb\u52a0\u7528\u6237\u3001\u6388\u6743\u3001\u5220\u9664\u7528\u6237"},"content":{"rendered":"<h2 id=\"\u6dfb\u52a0\u7528\u6237\">\u6dfb\u52a0\u7528\u6237<\/h2>\n<p>\u4ee5root\u7528\u6237\u767b\u5f55\u6570\u636e\u5e93\uff0c\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code class=\"hljs sql\"><span class=\"hljs-keyword\">create<\/span> <span class=\"hljs-keyword\">user<\/span> zhangsan <span class=\"hljs-keyword\">identified<\/span> <span class=\"hljs-keyword\">by<\/span> <span class=\"hljs-string\">'zhangsan'<\/span>;\r\n<\/code><\/pre>\n<p>\u4e0a\u9762\u7684\u547d\u4ee4\u521b\u5efa\u4e86\u7528\u6237zhangsan\uff0c\u5bc6\u7801\u662fzhangsan\u3002\u5728mysql.user\u8868\u91cc\u53ef\u4ee5\u67e5\u770b\u5230\u65b0\u589e\u7528\u6237\u7684\u4fe1\u606f\uff1a<\/p>\n<p><img decoding=\"async\" data-original=\"https:\/\/images2015.cnblogs.com\/blog\/595137\/201705\/595137-20170511101440707-1111545474.png\" src=\"https:\/\/byy3.com\/wp-content\/themes\/MNews%20V2.4\/images\/post-loading.gif\" title=\"MySQL\u7528\u6237\u7ba1\u7406\uff1a\u6dfb\u52a0\u7528\u6237\u3001\u6388\u6743\u3001\u5220\u9664\u7528\u6237\u63d2\u56fe\" alt=\"MySQL\u7528\u6237\u7ba1\u7406\uff1a\u6dfb\u52a0\u7528\u6237\u3001\u6388\u6743\u3001\u5220\u9664\u7528\u6237\u63d2\u56fe\" \/><\/p>\n<h2 id=\"\u6388\u6743\">\u6388\u6743<\/h2>\n<p>\u547d\u4ee4\u683c\u5f0f\uff1agrant privilegesCode on dbName.tableName to username@host identified by \"password\";<\/p>\n<pre><code class=\"hljs sql\"><span class=\"hljs-keyword\">grant<\/span> <span class=\"hljs-keyword\">all<\/span> <span class=\"hljs-keyword\">privileges<\/span> <span class=\"hljs-keyword\">on<\/span> zhangsanDb.* <span class=\"hljs-keyword\">to<\/span> zhangsan@<span class=\"hljs-string\">'%'<\/span> <span class=\"hljs-keyword\">identified<\/span> <span class=\"hljs-keyword\">by<\/span> <span class=\"hljs-string\">'zhangsan'<\/span>;\r\n<span class=\"hljs-keyword\">flush<\/span> <span class=\"hljs-keyword\">privileges<\/span>;\r\n<\/code><\/pre>\n<p>\u4e0a\u9762\u7684\u8bed\u53e5\u5c06zhangsanDb\u6570\u636e\u5e93\u7684\u6240\u6709\u64cd\u4f5c\u6743\u9650\u90fd\u6388\u6743\u7ed9\u4e86\u7528\u6237zhangsan\u3002<\/p>\n<p>\u5728mysql.db\u8868\u91cc\u53ef\u4ee5\u67e5\u770b\u5230\u65b0\u589e\u6570\u636e\u5e93\u6743\u9650\u7684\u4fe1\u606f\uff1a<\/p>\n<p><img decoding=\"async\" data-original=\"https:\/\/images2015.cnblogs.com\/blog\/595137\/201705\/595137-20170511101449051-92414488.png\" src=\"https:\/\/byy3.com\/wp-content\/themes\/MNews%20V2.4\/images\/post-loading.gif\" title=\"MySQL\u7528\u6237\u7ba1\u7406\uff1a\u6dfb\u52a0\u7528\u6237\u3001\u6388\u6743\u3001\u5220\u9664\u7528\u6237\u63d2\u56fe1\" alt=\"MySQL\u7528\u6237\u7ba1\u7406\uff1a\u6dfb\u52a0\u7528\u6237\u3001\u6388\u6743\u3001\u5220\u9664\u7528\u6237\u63d2\u56fe1\" \/><\/p>\n<p>\u4e5f\u53ef\u4ee5\u901a\u8fc7<code>show grants<\/code>\u547d\u4ee4\u67e5\u770b\u6743\u9650\u6388\u4e88\u6267\u884c\u7684\u547d\u4ee4\uff1a<\/p>\n<pre><code class=\"hljs sql\"><span class=\"hljs-keyword\">show<\/span> <span class=\"hljs-keyword\">grants<\/span> <span class=\"hljs-keyword\">for<\/span> <span class=\"hljs-string\">'zhangsan'<\/span>;\r\n<\/code><\/pre>\n<p><strong>privilegesCode<\/strong>\u8868\u793a\u6388\u4e88\u7684\u6743\u9650\u7c7b\u578b\uff0c\u5e38\u7528\u7684\u6709\u4ee5\u4e0b\u51e0\u79cd\u7c7b\u578b[1]\uff1a<\/p>\n<ul>\n<li>all privileges\uff1a\u6240\u6709\u6743\u9650\u3002<\/li>\n<li>select\uff1a\u8bfb\u53d6\u6743\u9650\u3002<\/li>\n<li>delete\uff1a\u5220\u9664\u6743\u9650\u3002<\/li>\n<li>update\uff1a\u66f4\u65b0\u6743\u9650\u3002<\/li>\n<li>create\uff1a\u521b\u5efa\u6743\u9650\u3002<\/li>\n<li>drop\uff1a\u5220\u9664\u6570\u636e\u5e93\u3001\u6570\u636e\u8868\u6743\u9650\u3002<\/li>\n<\/ul>\n<p><strong>dbName.tableName<\/strong>\u8868\u793a\u6388\u4e88\u6743\u9650\u7684\u5177\u4f53\u5e93\u6216\u8868\uff0c\u5e38\u7528\u7684\u6709\u4ee5\u4e0b\u51e0\u79cd\u9009\u9879\uff1a<\/p>\n<ul>\n<li><em>.<\/em>\uff1a\u6388\u4e88\u8be5\u6570\u636e\u5e93\u670d\u52a1\u5668\u6240\u6709\u6570\u636e\u5e93\u7684\u6743\u9650\u3002<\/li>\n<li>dbName.*\uff1a\u6388\u4e88dbName\u6570\u636e\u5e93\u6240\u6709\u8868\u7684\u6743\u9650\u3002<\/li>\n<li>dbName.dbTable\uff1a\u6388\u4e88\u6570\u636e\u5e93dbName\u4e2ddbTable\u8868\u7684\u6743\u9650\u3002<\/li>\n<\/ul>\n<p><code>username@host<\/code>\u8868\u793a\u6388\u4e88\u7684\u7528\u6237\u4ee5\u53ca\u5141\u8bb8\u8be5\u7528\u6237\u767b\u5f55\u7684IP\u5730\u5740\u3002\u5176\u4e2dHost\u6709\u4ee5\u4e0b\u51e0\u79cd\u7c7b\u578b\uff1a<\/p>\n<ul>\n<li><strong>localhost\uff1a<\/strong>\u53ea\u5141\u8bb8\u8be5\u7528\u6237\u5728\u672c\u5730\u767b\u5f55\uff0c\u4e0d\u80fd\u8fdc\u7a0b\u767b\u5f55\u3002<\/li>\n<li><strong>%\uff1a<\/strong>\u5141\u8bb8\u5728\u9664\u672c\u673a\u4e4b\u5916\u7684\u4efb\u4f55\u4e00\u53f0\u673a\u5668\u8fdc\u7a0b\u767b\u5f55\u3002<\/li>\n<li><strong>192.168.52.32\uff1a<\/strong>\u5177\u4f53\u7684IP\u8868\u793a\u53ea\u5141\u8bb8\u8be5\u7528\u6237\u4ece\u7279\u5b9aIP\u767b\u5f55\u3002<\/li>\n<\/ul>\n<p><strong>password<\/strong>\u6307\u5b9a\u8be5\u7528\u6237\u767b\u5f55\u65f6\u7684\u9762\u3002<\/p>\n<p><strong>flush privileges<\/strong>\u8868\u793a\u5237\u65b0\u6743\u9650\u53d8\u66f4\u3002<\/p>\n<h2 id=\"\u4fee\u6539\u5bc6\u7801\">\u4fee\u6539\u5bc6\u7801<\/h2>\n<p>\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u53ef\u4ee5\u4fee\u6539\u7528\u6237\u5bc6\u7801<\/p>\n<pre><code class=\"hljs sql\"><span class=\"hljs-keyword\">update<\/span> mysql.user <span class=\"hljs-keyword\">set<\/span> <span class=\"hljs-keyword\">password<\/span> = <span class=\"hljs-keyword\">password<\/span>(<span class=\"hljs-string\">'zhangsannew'<\/span>) <span class=\"hljs-keyword\">where<\/span> <span class=\"hljs-keyword\">user<\/span> = <span class=\"hljs-string\">'zhangsan'<\/span> <span class=\"hljs-keyword\">and<\/span> host = <span class=\"hljs-string\">'%'<\/span>;\r\n<span class=\"hljs-keyword\">flush<\/span> <span class=\"hljs-keyword\">privileges<\/span>;\r\n<\/code><\/pre>\n<h2 id=\"\u5220\u9664\u7528\u6237\">\u5220\u9664\u7528\u6237<\/h2>\n<p>\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u53ef\u4ee5\u5220\u9664\u7528\u6237\uff1a<\/p>\n<pre><code class=\"hljs sql\"><span class=\"hljs-keyword\">drop<\/span> <span class=\"hljs-keyword\">user<\/span> zhangsan@<span class=\"hljs-string\">'%'<\/span>;\r\n<\/code><\/pre>\n<p>drop user\u547d\u4ee4\u4f1a\u5220\u9664\u7528\u6237\u4ee5\u53ca\u5bf9\u5e94\u7684\u6743\u9650\uff0c\u6267\u884c\u547d\u4ee4\u540e\u4f60\u4f1a\u53d1\u73b0mysql.user\u8868\u548cmysql.db\u8868\u7684\u76f8\u5e94\u8bb0\u5f55\u90fd\u6d88\u5931\u4e86\u3002<\/p>\n<h2 id=\"\u5e38\u7528\u547d\u4ee4\u7ec4\">\u5e38\u7528\u547d\u4ee4\u7ec4<\/h2>\n<p><strong>\u521b\u5efa\u7528\u6237\u5e76\u6388\u4e88\u6307\u5b9a\u6570\u636e\u5e93\u5168\u90e8\u6743\u9650\uff1a\u9002\u7528\u4e8eWeb\u5e94\u7528\u521b\u5efaMySQL\u7528\u6237<\/strong><\/p>\n<pre><code class=\"hljs sql\"><span class=\"hljs-keyword\">create<\/span> <span class=\"hljs-keyword\">user<\/span> zhangsan <span class=\"hljs-keyword\">identified<\/span> <span class=\"hljs-keyword\">by<\/span> <span class=\"hljs-string\">'zhangsan'<\/span>;\r\n<span class=\"hljs-keyword\">grant<\/span> <span class=\"hljs-keyword\">all<\/span> <span class=\"hljs-keyword\">privileges<\/span> <span class=\"hljs-keyword\">on<\/span> zhangsanDb.* <span class=\"hljs-keyword\">to<\/span> zhangsan@<span class=\"hljs-string\">'%'<\/span> <span class=\"hljs-keyword\">identified<\/span> <span class=\"hljs-keyword\">by<\/span> <span class=\"hljs-string\">'zhangsan'<\/span>;\r\n<span class=\"hljs-keyword\">flush<\/span> <span class=\"hljs-keyword\">privileges<\/span>;\r\n<\/code><\/pre>\n<p>\u521b\u5efa\u4e86\u7528\u6237zhangsan\uff0c\u5e76\u5c06\u6570\u636e\u5e93zhangsanDB\u7684\u6240\u6709\u6743\u9650\u6388\u4e88zhangsan\u3002\u5982\u679c\u8981\u4f7fzhangsan\u53ef\u4ee5\u4ece\u672c\u673a\u767b\u5f55\uff0c\u90a3\u4e48\u53ef\u4ee5\u591a\u8d4b\u4e88localhost\u6743\u9650\uff1a<\/p>\n<pre><code class=\"hljs sql\"><span class=\"hljs-keyword\">grant<\/span> <span class=\"hljs-keyword\">all<\/span> <span class=\"hljs-keyword\">privileges<\/span> <span class=\"hljs-keyword\">on<\/span> zhangsanDb.* <span class=\"hljs-keyword\">to<\/span> zhangsan@<span class=\"hljs-string\">'localhost'<\/span> <span class=\"hljs-keyword\">identified<\/span> <span class=\"hljs-keyword\">by<\/span> <span class=\"hljs-string\">'zhangsan'<\/span>;<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u6dfb\u52a0\u7528\u6237 \u4ee5root\u7528\u6237\u767b\u5f55\u6570\u636e\u5e93\uff0c\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a create user zhangsan identifi [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[167,169,377,376],"class_list":["post-825","post","type-post","status-publish","format-standard","hentry","category-linux","tag-mysql"],"_links":{"self":[{"href":"https:\/\/byy3.com\/index.php?rest_route=\/wp\/v2\/posts\/825","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/byy3.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/byy3.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/byy3.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/byy3.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=825"}],"version-history":[{"count":0,"href":"https:\/\/byy3.com\/index.php?rest_route=\/wp\/v2\/posts\/825\/revisions"}],"wp:attachment":[{"href":"https:\/\/byy3.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=825"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/byy3.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=825"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/byy3.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=825"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}