{"id":20368,"date":"2024-01-02T05:01:22","date_gmt":"2024-01-02T05:01:22","guid":{"rendered":"https:\/\/server.hk\/blog\/20368\/"},"modified":"2024-11-14T10:39:41","modified_gmt":"2024-11-14T02:39:41","slug":"postgresql-command-alter-user","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/20368\/","title":{"rendered":"PostgreSQL \u6307\u4ee4\uff1aALTER USER"},"content":{"rendered":"

PostgreSQL \u6307\u4ee4\uff1aALTER USER<\/h1>\n

PostgreSQL \u662f\u4e00\u500b\u529f\u80fd\u5f37\u5927\u7684\u958b\u6e90\u95dc\u806f\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u5ee3\u6cdb\u7684\u529f\u80fd\u548c\u9748\u6d3b\u6027\u3002\u5728 PostgreSQL \u4e2d\uff0c\u4e00\u500b\u91cd\u8981\u7684\u6307\u4ee4\u662f ALTER USER \u6307\u4ee4\uff0c\u5b83\u5141\u8a31\u60a8\u4fee\u6539\u8cc7\u6599\u5eab\u7528\u6236\u7684\u5c6c\u6027\u548c\u6b0a\u9650\u3002<\/p>\n

\u66f4\u6539\u7528\u6236\u5c6c\u6027<\/h2>\n

\u4f7f\u7528 ALTER USER \u6307\u4ee4\uff0c\u60a8\u53ef\u4ee5\u4fee\u6539\u7528\u6236\u7684\u5404\u7a2e\u5c6c\u6027\uff0c\u4f8b\u5982\u540d\u7a31\u3001\u5bc6\u78bc\u548c\u9810\u8a2d\u6b0a\u9650\u3002\u8b93\u6211\u5011\u4f86\u770b\u770b\u4e00\u4e9b\u6700\u5e38\u7528\u7684\u9078\u9805\uff1a<\/p>\n

1. \u91cd\u65b0\u547d\u540d\u7528\u6236<\/h3>\n

\u5982\u679c\u60a8\u9700\u8981\u66f4\u6539\u7528\u6236\u7684\u540d\u7a31\uff0c\u53ef\u4ee5\u4f7f\u7528 RENAME TO \u9078\u9805\u3002\u4f8b\u5982\uff0c\u8981\u5c07\u7528\u6236\u5f9e “old_name” \u66f4\u6539\u70ba “new_name”\uff0c\u60a8\u53ef\u4ee5\u57f7\u884c\u4ee5\u4e0b\u6307\u4ee4\uff1a<\/p>\n

ALTER USER old_name RENAME TO new_name;<\/code><\/p>\n

2. \u66f4\u6539\u7528\u6236\u5bc6\u78bc<\/h3>\n

\u8981\u66f4\u6539\u7528\u6236\u7684\u5bc6\u78bc\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 PASSWORD \u9078\u9805\u3002\u78ba\u4fdd\u5bc6\u78bc\u5f37\u5927\u4e14\u5b89\u5168\uff0c\u4ee5\u4fdd\u8b77\u60a8\u7684\u8cc7\u6599\u5eab\u81f3\u95dc\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u66f4\u6539\u7528\u6236\u5bc6\u78bc\u7684\u793a\u4f8b\uff1a<\/p>\n

ALTER USER username PASSWORD 'new_password';<\/code><\/p>\n

3. \u8a2d\u5b9a\u7528\u6236\u9078\u9805<\/h3>\n

ALTER USER \u6307\u4ee4\u9084\u5141\u8a31\u60a8\u8a2d\u5b9a\u5404\u7a2e\u7528\u6236\u9078\u9805\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u8a2d\u5b9a\u7528\u6236\u7684\u9810\u8a2d\u8868\u7a7a\u9593\uff0c\u9019\u6c7a\u5b9a\u4e86\u4ed6\u5011\u7684\u5c0d\u8c61\u5b58\u5132\u5728\u54ea\u88e1\u3002\u4ee5\u4e0b\u662f\u793a\u4f8b\uff1a<\/p>\n

ALTER USER username SET default_tablespace = new_tablespace;<\/code><\/p>\n

\u4fee\u6539\u7528\u6236\u6b0a\u9650<\/h2>\n

\u9664\u4e86\u66f4\u6539\u7528\u6236\u5c6c\u6027\u5916\uff0cALTER USER \u6307\u4ee4\u9084\u4f7f\u60a8\u80fd\u5920\u4fee\u6539\u7528\u6236\u7684\u6b0a\u9650\u3002\u6b0a\u9650\u63a7\u5236\u7528\u6236\u53ef\u4ee5\u5c0d\u8cc7\u6599\u5eab\u5c0d\u8c61\u57f7\u884c\u7684\u64cd\u4f5c\u3002\u8b93\u6211\u5011\u4f86\u770b\u770b\u4e00\u4e9b\u5e38\u898b\u7684\u6b0a\u9650\u76f8\u95dc\u9078\u9805\uff1a<\/p>\n

1. \u6388\u4e88\u6b0a\u9650<\/h3>\n

\u8981\u6388\u4e88\u7528\u6236\u6b0a\u9650\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 GRANT \u9078\u9805\u3002\u4f8b\u5982\uff0c\u8981\u5c07 “example_table” \u8868\u7684 SELECT \u6b0a\u9650\u6388\u4e88\u540d\u70ba “username” \u7684\u7528\u6236\uff0c\u60a8\u53ef\u4ee5\u57f7\u884c\u4ee5\u4e0b\u6307\u4ee4\uff1a<\/p>\n

ALTER USER username GRANT SELECT ON example_table TO username;<\/code><\/p>\n

2. \u64a4\u92b7\u6b0a\u9650<\/h3>\n

\u5982\u679c\u60a8\u9700\u8981\u5f9e\u7528\u6236\u64a4\u92b7\u6b0a\u9650\uff0c\u53ef\u4ee5\u4f7f\u7528 REVOKE \u9078\u9805\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u5f9e\u540d\u70ba “username” \u7684\u7528\u6236\u64a4\u92b7 “example_table” \u8868\u7684 INSERT \u6b0a\u9650\u7684\u793a\u4f8b\uff1a<\/p>\n

ALTER USER username REVOKE INSERT ON example_table FROM username;<\/code><\/p>\n

3. \u8a2d\u5b9a\u9810\u8a2d\u6b0a\u9650<\/h3>\n

\u9810\u8a2d\u60c5\u6cc1\u4e0b\uff0c\u7576\u7528\u6236\u5275\u5efa\u65b0\u5c0d\u8c61\u6642\uff0c\u4ed6\u5011\u6210\u70ba\u8a72\u5c0d\u8c61\u7684\u64c1\u6709\u8005\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528 ALTER USER \u6307\u4ee4\u70ba\u65b0\u5275\u5efa\u7684\u5c0d\u8c61\u8a2d\u7f6e\u9810\u8a2d\u6b0a\u9650\u3002\u4ee5\u4e0b\u662f\u793a\u4f8b\uff1a<\/p>\n

ALTER USER username SET default_privileges = 'GRANT SELECT ON TABLES TO username';<\/code><\/p>\n

\u7e3d\u7d50<\/h2>\n

PostgreSQL \u4e2d\u7684 ALTER USER \u6307\u4ee4\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u7528\u65bc\u4fee\u6539\u7528\u6236\u5c6c\u6027\u548c\u6b0a\u9650\u3002\u5b83\u5141\u8a31\u60a8\u66f4\u6539\u7528\u6236\u540d\u7a31\u3001\u5bc6\u78bc\u3001\u9810\u8a2d\u9078\u9805\uff0c\u4e26\u6709\u6548\u5730\u7ba1\u7406\u6b0a\u9650\u3002\u901a\u904e\u5229\u7528\u9019\u500b\u6307\u4ee4\uff0c\u60a8\u53ef\u4ee5\u6839\u64da\u5177\u9ad4\u9700\u6c42\u81ea\u5b9a\u7fa9\u7528\u6236\u8a2d\u7f6e\u3002<\/p>\n

\u5982\u9700\u4e86\u89e3\u6709\u95dc VPS \u4e3b\u6a5f\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u4e26\u63a2\u7d22\u6211\u5011\u7684\u9ad8\u6548\u80fd\u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f Server.HK<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

PostgreSQL \u6307\u4ee4\uff1aAL...<\/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-20368","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20368","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=20368"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20368\/revisions"}],"predecessor-version":[{"id":24386,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20368\/revisions\/24386"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=20368"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=20368"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=20368"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}