{"id":160753,"date":"2024-11-04T00:43:22","date_gmt":"2024-11-03T16:43:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160753\/"},"modified":"2024-11-04T00:43:23","modified_gmt":"2024-11-03T16:43:23","slug":"%e8%b3%87%e6%96%99%e5%ba%ab%e6%95%99%e7%a8%8b%ef%bc%9amysql%e6%9f%a5%e7%9c%8b%e7%94%a8%e6%88%b6%e6%ac%8a%e9%99%90","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160753\/","title":{"rendered":"\u8cc7\u6599\u5eab\u6559\u7a0b\uff1aMySQL\u67e5\u770b\u7528\u6236\u6b0a\u9650"},"content":{"rendered":"<h1 id=\"%e8%b3%87%e6%96%99%e5%ba%ab%e6%95%99%e7%a8%8b%ef%bc%9amysql%e6%9f%a5%e7%9c%8b%e7%94%a8%e6%88%b6%e6%ac%8a%e9%99%90-OnhKwHqkCs\">\u8cc7\u6599\u5eab\u6559\u7a0b\uff1aMySQL\u67e5\u770b\u7528\u6236\u6b0a\u9650<\/h1>\n<p>\u5728\u7ba1\u7406MySQL\u8cc7\u6599\u5eab\u6642\uff0c\u4e86\u89e3\u7528\u6236\u7684\u6b0a\u9650\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u7528\u6236\u6b0a\u9650\u6c7a\u5b9a\u4e86\u8ab0\u53ef\u4ee5\u8a2a\u554f\u8cc7\u6599\u5eab\u3001\u57f7\u884c\u54ea\u4e9b\u64cd\u4f5c\u4ee5\u53ca\u5982\u4f55\u4fdd\u8b77\u8cc7\u6599\u7684\u5b89\u5168\u6027\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u67e5\u770bMySQL\u7528\u6236\u7684\u6b0a\u9650\uff0c\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u7ba1\u7406\u8cc7\u6599\u5eab\u5b89\u5168\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afmysql%e7%94%a8%e6%88%b6%e6%ac%8a%e9%99%90%ef%bc%9f-OnhKwHqkCs\">\u4ec0\u9ebc\u662fMySQL\u7528\u6236\u6b0a\u9650\uff1f<\/h2>\n<p>MySQL\u7528\u6236\u6b0a\u9650\u662f\u6307\u6388\u4e88\u7528\u6236\u5728\u8cc7\u6599\u5eab\u4e2d\u57f7\u884c\u7279\u5b9a\u64cd\u4f5c\u7684\u80fd\u529b\u3002\u9019\u4e9b\u6b0a\u9650\u53ef\u4ee5\u662f\u5168\u5c40\u7684\uff0c\u4e5f\u53ef\u4ee5\u662f\u91dd\u5c0d\u7279\u5b9a\u8cc7\u6599\u5eab\u6216\u8868\u7684\u3002\u5e38\u898b\u7684\u6b0a\u9650\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>SELECT<\/strong>\uff1a\u5141\u8a31\u7528\u6236\u67e5\u8a62\u8cc7\u6599\u3002<\/li>\n<li><strong>INSERT<\/strong>\uff1a\u5141\u8a31\u7528\u6236\u63d2\u5165\u65b0\u8cc7\u6599\u3002<\/li>\n<li><strong>UPDATE<\/strong>\uff1a\u5141\u8a31\u7528\u6236\u66f4\u65b0\u73fe\u6709\u8cc7\u6599\u3002<\/li>\n<li><strong>DELETE<\/strong>\uff1a\u5141\u8a31\u7528\u6236\u522a\u9664\u8cc7\u6599\u3002<\/li>\n<li><strong>ALL PRIVILEGES<\/strong>\uff1a\u6388\u4e88\u7528\u6236\u6240\u6709\u6b0a\u9650\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e6%9f%a5%e7%9c%8b%e7%94%a8%e6%88%b6%e6%ac%8a%e9%99%90-OnhKwHqkCs\">\u5982\u4f55\u67e5\u770b\u7528\u6236\u6b0a\u9650<\/h2>\n<p>\u8981\u67e5\u770bMySQL\u7528\u6236\u7684\u6b0a\u9650\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8show-grants%e5%91%bd%e4%bb%a4-OnhKwHqkCs\">1. \u4f7f\u7528SHOW GRANTS\u547d\u4ee4<\/h3>\n<p>\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u662f\u4f7f\u7528<code>SHOW GRANTS<\/code>\u547d\u4ee4\u3002\u9019\u500b\u547d\u4ee4\u53ef\u4ee5\u986f\u793a\u6307\u5b9a\u7528\u6236\u7684\u6240\u6709\u6b0a\u9650\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528\u793a\u4f8b\uff1a<\/p>\n<pre><code>SHOW GRANTS FOR 'username'@'host';<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<code>username<\/code>\u662f\u60a8\u8981\u67e5\u8a62\u7684\u7528\u6236\u540d\uff0c<code>host<\/code>\u662f\u7528\u6236\u7684\u4e3b\u6a5f\u540d\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u8981\u67e5\u770b\u7528\u6236<code>testuser<\/code>\u5728\u672c\u5730\u7684\u6b0a\u9650\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n<pre><code>SHOW GRANTS FOR 'testuser'@'localhost';<\/code><\/pre>\n<h3 id=\"2-%e6%9f%a5%e8%a9%a2information_schema%e8%b3%87%e6%96%99%e5%ba%ab-OnhKwHqkCs\">2. \u67e5\u8a62information_schema\u8cc7\u6599\u5eab<\/h3>\n<p>\u53e6\u4e00\u7a2e\u65b9\u6cd5\u662f\u67e5\u8a62<code>information_schema<\/code>\u8cc7\u6599\u5eab\u4e2d\u7684<code>USER_PRIVILEGES<\/code>\u8868\u3002\u9019\u500b\u8868\u5305\u542b\u4e86\u6240\u6709\u7528\u6236\u7684\u6b0a\u9650\u4fe1\u606f\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\uff1a<\/p>\n<pre><code>SELECT * FROM information_schema.USER_PRIVILEGES WHERE GRANTEE = \"'username'@'host'\";<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u7372\u5f97\u66f4\u8a73\u7d30\u7684\u6b0a\u9650\u4fe1\u606f\uff0c\u5305\u62ec\u6b0a\u9650\u7684\u985e\u578b\u548c\u7bc4\u570d\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8mysqladmin%e5%b7%a5%e5%85%b7-OnhKwHqkCs\">3. \u4f7f\u7528mysqladmin\u5de5\u5177<\/h3>\n<p>\u5982\u679c\u60a8\u66f4\u559c\u6b61\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u53ef\u4ee5\u4f7f\u7528<code>mysqladmin<\/code>\u4f86\u67e5\u770b\u7528\u6236\u6b0a\u9650\u3002\u4ee5\u4e0b\u662f\u547d\u4ee4\u793a\u4f8b\uff1a<\/p>\n<pre><code>mysqladmin -u username -p extended-status<\/code><\/pre>\n<p>\u9019\u5c07\u8981\u6c42\u60a8\u8f38\u5165\u5bc6\u78bc\uff0c\u7136\u5f8c\u986f\u793a\u7528\u6236\u7684\u5404\u7a2e\u72c0\u614b\u4fe1\u606f\uff0c\u5305\u62ec\u6b0a\u9650\u3002<\/p>\n<h2 id=\"%e7%ae%a1%e7%90%86%e7%94%a8%e6%88%b6%e6%ac%8a%e9%99%90-OnhKwHqkCs\">\u7ba1\u7406\u7528\u6236\u6b0a\u9650<\/h2>\n<p>\u5728\u67e5\u770b\u7528\u6236\u6b0a\u9650\u5f8c\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u9032\u884c\u8abf\u6574\u3002\u53ef\u4ee5\u4f7f\u7528<code>GRANT<\/code>\u548c<code>REVOKE<\/code>\u547d\u4ee4\u4f86\u7ba1\u7406\u7528\u6236\u7684\u6b0a\u9650\u3002\u4f8b\u5982\uff0c\u6388\u4e88\u7528\u6236<code>testuser<\/code>\u5c0d\u8cc7\u6599\u5eab<code>mydb<\/code>\u7684\u6240\u6709\u6b0a\u9650\uff1a<\/p>\n<pre><code>GRANT ALL PRIVILEGES ON mydb.* TO 'testuser'@'localhost';<\/code><\/pre>\n<p>\u5982\u679c\u9700\u8981\u64a4\u92b7\u67d0\u500b\u6b0a\u9650\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n<pre><code>REVOKE SELECT ON mydb.* FROM 'testuser'@'localhost';<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-OnhKwHqkCs\">\u7e3d\u7d50<\/h2>\n<p>\u4e86\u89e3\u5982\u4f55\u67e5\u770b\u548c\u7ba1\u7406MySQL\u7528\u6236\u6b0a\u9650\u5c0d\u65bc\u78ba\u4fdd\u8cc7\u6599\u5eab\u7684\u5b89\u5168\u6027\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u4f7f\u7528<code>SHOW GRANTS<\/code>\u547d\u4ee4\u3001\u67e5\u8a62<code>information_schema<\/code>\u8cc7\u6599\u5eab\u6216\u4f7f\u7528<code>mysqladmin<\/code>\u5de5\u5177\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u7372\u53d6\u7528\u6236\u7684\u6b0a\u9650\u4fe1\u606f\u3002\u6b64\u5916\uff0c\u9069\u7576\u5730\u4f7f\u7528<code>GRANT<\/code>\u548c<code>REVOKE<\/code>\u547d\u4ee4\u53ef\u4ee5\u5e6b\u52a9\u60a8\u6709\u6548\u5730\u7ba1\u7406\u7528\u6236\u6b0a\u9650\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u8cc7\u6599\u5eab\u7ba1\u7406\u9084\u662f\u5176\u4ed6\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u5c0d\u65bc\u696d\u52d9\u7684\u6210\u529f\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728MySQL\u4e2d\u67e5\u770b\u7528\u6236\u6b0a\u9650\uff0c\u638c\u63e1\u8cc7\u6599\u5eab\u7ba1\u7406\u7684\u95dc\u9375\u6280\u5de7\uff0c\u78ba\u4fdd\u6578\u64da\u5b89\u5168\u8207\u8a2a\u554f\u63a7\u5236\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-160753","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160753","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=160753"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160753\/revisions"}],"predecessor-version":[{"id":160754,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160753\/revisions\/160754"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=160753"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=160753"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=160753"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}