{"id":20366,"date":"2024-01-02T04:59:22","date_gmt":"2024-01-02T04:59:22","guid":{"rendered":"https:\/\/server.hk\/blog\/20366\/"},"modified":"2024-11-14T10:39:42","modified_gmt":"2024-11-14T02:39:42","slug":"postgresql-command-create-user","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/20366\/","title":{"rendered":"PostgreSQL \u547d\u4ee4\uff1aCREATE USER"},"content":{"rendered":"<h1 id=\"postgresql-command-create-user-lfLUGdCjcU\">PostgreSQL \u547d\u4ee4\uff1aCREATE USER<\/h1>\n<p>PostgreSQL \u662f\u4e00\u500b\u529f\u80fd\u5f37\u5927\u7684\u958b\u6e90\u95dc\u806f\u5f0f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u591a\u7a2e\u529f\u80fd\u548c\u5be6\u7528\u6027\u3002\u5176\u4e2d\u4e00\u500b\u91cd\u8981\u7684\u547d\u4ee4\u662f <code>CREATE USER<\/code>\uff0c\u8a72\u547d\u4ee4\u5141\u8a31\u60a8\u5275\u5efa\u65b0\u7528\u6236\u4e26\u70ba\u4ed6\u5011\u8ce6\u4e88\u7279\u5b9a\u7684\u6578\u64da\u5eab\u6b0a\u9650\u3002<\/p>\n<h2 id=\"creating-a-user-lfLUGdCjcU\">\u5275\u5efa\u7528\u6236<\/h2>\n<p>\u8981\u5728 PostgreSQL \u4e2d\u5275\u5efa\u65b0\u7528\u6236\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 <code>CREATE USER<\/code> \u547d\u4ee4\uff0c\u5f8c\u63a5\u7528\u6236\u540d\u548c\u5bc6\u78bc\u3002\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE USER username WITH PASSWORD 'password';\r\n<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u8981\u5275\u5efa\u4e00\u500b\u540d\u70ba &#8220;john&#8221; \u4e26\u8a2d\u7f6e\u5bc6\u78bc\u70ba &#8220;secretpassword&#8221; \u7684\u7528\u6236\uff0c\u60a8\u53ef\u4ee5\u904b\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>CREATE USER john WITH PASSWORD 'secretpassword';\r\n<\/code><\/pre>\n<p>\u9ed8\u8a8d\u60c5\u6cc1\u4e0b\uff0c\u5275\u5efa\u7684\u65b0\u7528\u6236\u4e0d\u6703\u64c1\u6709\u4efb\u4f55\u7279\u5225\u7684\u6b0a\u9650\u6216\u89d2\u8272\uff0c\u4ed6\u5011\u53ea\u64c1\u6709\u9023\u63a5\u6578\u64da\u5eab\u7684\u6b0a\u9650\u3002<\/p>\n<h2 id=\"granting-privileges-lfLUGdCjcU\">\u8ce6\u4e88\u6b0a\u9650<\/h2>\n<p>\u5275\u5efa\u7528\u6236\u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 <code>GRANT<\/code> \u547d\u4ee4\u70ba\u4ed6\u5011\u8ce6\u4e88\u7279\u5b9a\u6b0a\u9650\u3002\u6b0a\u9650\u6c7a\u5b9a\u7528\u6236\u80fd\u5920\u5728\u6578\u64da\u5eab\u4e2d\u57f7\u884c\u7684\u64cd\u4f5c\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u5c07 <code>SELECT<\/code> \u6b0a\u9650\u8ce6\u4e88\u7528\u6236 &#8220;john&#8221; \u7684\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>GRANT SELECT ON table_name TO john;\r\n<\/code><\/pre>\n<p>\u6b64\u547d\u4ee4\u5141\u8a31\u7528\u6236 &#8220;john&#8221; \u5f9e\u6307\u5b9a\u7684\u8868\u683c\u4e2d\u6aa2\u7d22\u6578\u64da\u3002<\/p>\n<p>\u9664\u4e86\u8868\u7d1a\u5225\u7684\u6b0a\u9650\u5916\uff0c\u60a8\u9084\u53ef\u4ee5\u5728\u6578\u64da\u5eab\u7d1a\u5225\u751a\u81f3\u6574\u500b PostgreSQL \u670d\u52d9\u5668\u7d1a\u5225\u8ce6\u4e88\u6b0a\u9650\u3002\u4e00\u4e9b\u5e38\u898b\u7684\u6b0a\u9650\u5305\u62ec <code>INSERT<\/code>\u3001<code>UPDATE<\/code>\u3001<code>DELETE<\/code> \u548c <code>CREATE<\/code>\u3002<\/p>\n<h2 id=\"modifying-user-attributes-lfLUGdCjcU\">\u4fee\u6539\u7528\u6236\u5c6c\u6027<\/h2>\n<p>PostgreSQL \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u9805\uff0c\u8b93\u60a8\u53ef\u4ee5\u4f7f\u7528 <code>ALTER USER<\/code> \u547d\u4ee4\u4fee\u6539\u7528\u6236\u5c6c\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u7bc4\u4f8b\uff1a<\/p>\n<ul>\n<li><strong>\u91cd\u547d\u540d\u7528\u6236\uff1a<\/strong> \u60a8\u53ef\u4ee5\u4f7f\u7528 <code>RENAME TO<\/code> \u9078\u9805\u66f4\u6539\u7528\u6236\u540d\u3002<\/li>\n<li><strong>\u66f4\u6539\u5bc6\u78bc\uff1a<\/strong> \u4f7f\u7528 <code>PASSWORD<\/code> \u9078\u9805\u70ba\u7528\u6236\u8a2d\u7f6e\u65b0\u5bc6\u78bc\u3002<\/li>\n<li><strong>\u8a2d\u7f6e\u7528\u6236\u89d2\u8272\uff1a<\/strong> \u4f7f\u7528 <code>SET ROLE<\/code> \u9078\u9805\u70ba\u7528\u6236\u5206\u914d\u7279\u5b9a\u89d2\u8272\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u8981\u70ba\u7528\u6236 &#8220;john&#8221; \u66f4\u6539\u5bc6\u78bc\uff0c\u60a8\u53ef\u4ee5\u904b\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>ALTER USER john WITH PASSWORD 'newpassword';\r\n<\/code><\/pre>\n<h2 id=\"deleting-a-user-lfLUGdCjcU\">\u522a\u9664\u7528\u6236<\/h2>\n<p>\u5982\u679c\u60a8\u4e0d\u518d\u9700\u8981\u67d0\u500b\u7528\u6236\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 <code>DROP USER<\/code> \u547d\u4ee4\u522a\u9664\u4ed6\u5011\u3002\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>DROP USER username;\r\n<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u8981\u522a\u9664\u7528\u6236 &#8220;john&#8221;\uff0c\u60a8\u53ef\u4ee5\u904b\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>DROP USER john;\r\n<\/code><\/pre>\n<p>\u522a\u9664\u7528\u6236\u6642\u8acb\u8b39\u614e\u64cd\u4f5c\uff0c\u56e0\u70ba\u9019\u5c07\u6c38\u4e45\u79fb\u9664\u4ed6\u5011\u7684\u8a2a\u554f\u6b0a\u9650\u53ca\u4efb\u4f55\u76f8\u95dc\u6b0a\u9650\u3002<\/p>\n<h2 id=\"summary-lfLUGdCjcU\">\u7e3d\u7d50<\/h2>\n<p>PostgreSQL \u4e2d\u7684 <code>CREATE USER<\/code> \u547d\u4ee4\u5141\u8a31\u60a8\u5275\u5efa\u65b0\u7528\u6236\u4e26\u70ba\u4ed6\u5011\u5206\u914d\u7279\u5b9a\u6b0a\u9650\u3002\u901a\u904e\u4f7f\u7528 <code>GRANT<\/code> \u547d\u4ee4\uff0c\u60a8\u53ef\u4ee5\u63a7\u5236\u7528\u6236\u80fd\u5920\u5728\u6578\u64da\u5eab\u4e2d\u57f7\u884c\u7684\u64cd\u4f5c\u3002\u6b64\u5916\uff0c<code>ALTER USER<\/code> \u547d\u4ee4\u8b93\u60a8\u80fd\u5920\u4fee\u6539\u7528\u6236\u5c6c\u6027\uff0c\u5982\u7528\u6236\u540d\u3001\u5bc6\u78bc\u548c\u89d2\u8272\u3002\u6700\u5f8c\uff0c<code>DROP USER<\/code> \u547d\u4ee4\u8b93\u60a8\u5728\u4e0d\u518d\u9700\u8981\u7528\u6236\u6642\u522a\u9664\u4ed6\u5011\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc PostgreSQL \u53ca\u5176\u529f\u80fd\u7684\u8cc7\u8a0a\uff0c\u60a8\u53ef\u4ee5\u63a2\u7d22 <a href=\"https:\/\/server.hk\">Hong Kong VPS Hosting<\/a>\uff0c\u8a72\u670d\u52d9\u63d0\u4f9b\u53ef\u9760\u4e14\u9ad8\u6548\u80fd\u7684 VPS \u89e3\u6c7a\u65b9\u6848\uff0c\u8b93\u60a8\u80fd\u5920\u5145\u5206\u5229\u7528 PostgreSQL \u4f86\u6eff\u8db3\u60a8\u7684\u6578\u64da\u5eab\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PostgreSQL \u547d\u4ee4\uff1aCR&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-20366","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20366","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=20366"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20366\/revisions"}],"predecessor-version":[{"id":24388,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20366\/revisions\/24388"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=20366"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=20366"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=20366"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}