{"id":131,"date":"2024-02-23T03:13:39","date_gmt":"2023-03-06T08:01:21","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/%e5%a6%82%e4%bd%95%e5%9c%a8vps%e4%b8%8a%e4%bd%bf%e7%94%a8%e8%a7%92%e8%89%b2%e5%92%8c%e7%ae%a1%e7%90%86%e6%8e%88%e4%ba%88%e6%9d%83%e9%99%90%e7%9a%84postgresql%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/"},"modified":"2025-08-01T00:23:51","modified_gmt":"2025-07-31T16:23:51","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8vps%e4%b8%8a%e4%bd%bf%e7%94%a8%e8%a7%92%e8%89%b2%e5%92%8c%e7%ae%a1%e7%90%86%e6%8e%88%e4%ba%88%e6%9d%83%e9%99%90%e7%9a%84postgresql%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%a6%82%e4%bd%95%e5%9c%a8vps%e4%b8%8a%e4%bd%bf%e7%94%a8%e8%a7%92%e8%89%b2%e5%92%8c%e7%ae%a1%e7%90%86%e6%8e%88%e4%ba%88%e6%9d%83%e9%99%90%e7%9a%84postgresql%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/","title":{"rendered":"VPS\u4e0aPostgreSQL\u6743\u9650\u7ba1\u7406\u7ec8\u6781\u6307\u5357\uff1a\u89d2\u8272\u3001\u7528\u6237\u4e0e\u6388\u6743\u5b9e\u6218"},"content":{"rendered":"<h3>\u5f15\u8a00<\/h3>\n<p>PostgreSQL\uff0c\u7b80\u79f0Postgres\uff0c\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u3002\u4e0e\u5176\u5b83\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7c7b\u4f3c\uff0cPostgreSQL\u5c06\u6570\u636e\u5b58\u50a8\u5728\u7531\u884c\u548c\u5217\u7ec4\u6210\u7684\u8868\u4e2d\u3002\u7528\u6237\u53ef\u4ee5\u4f7f\u7528\u7ed3\u6784\u5316\u67e5\u8be2\u8bed\u8a00\uff08SQL\uff09\u6765\u5b9a\u4e49\u3001\u64cd\u4f5c\u3001\u63a7\u5236\u548c\u67e5\u8be2\u6570\u636e\u3002PostgreSQL\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u53ef\u7528\u4e8e\u5728\u865a\u62df\u4e13\u7528\u670d\u52a1\u5668\uff08VPS\uff09\u4e0a\u7ba1\u7406\u5e94\u7528\u7a0b\u5e8f\u548c\u7f51\u7edc\u6570\u636e\u3002<\/p>\n<p>\u672c\u6307\u5357\u5c06\u5c55\u793a\u5982\u4f55\u6b63\u786e\u7ba1\u7406\u6743\u9650\u5e76\u6388\u4e88\u7528\u6237\u6743\u9650\u3002\u8fd9\u6837\u53ef\u4ee5\u4f7f\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f\u83b7\u5f97\u6240\u9700\u7684\u7279\u6743\uff0c\u800c\u540c\u65f6\u4e0d\u5f71\u54cd\u72ec\u7acb\u7684\u6570\u636e\u5e93\u3002<\/p>\n<h2>\u5148\u51b3\u6761\u4ef6<\/h2>\n<p>\u8981\u8ddf\u968f\u672c\u6559\u7a0b\uff0c\u60a8\u9700\u8981\u51c6\u5907\u4ee5\u4e0b\u7269\u54c1\uff1a<\/p>\n<ul class=\"post-ul\">\n<li>\u4e00\u4e2a\u5df2\u6309\u7167\u300aUbuntu 22.04\u521d\u59cb\u670d\u52a1\u5668\u8bbe\u7f6e\u6307\u5357\u300b\u914d\u7f6e\u597d\u7684Ubuntu 22.04\u670d\u52a1\u5668\u3002\u5b8c\u6210\u6b64\u5148\u51b3\u6761\u4ef6\u6559\u7a0b\u540e\uff0c\u60a8\u7684\u670d\u52a1\u5668\u5e94\u62e5\u6709\u4e00\u4e2a\u5177\u5907sudo\u6743\u9650\u7684\u975eroot\u7528\u6237\u548c\u4e00\u4e2a\u57fa\u672c\u9632\u706b\u5899\u3002<\/li>\n<li>\u5df2\u5b8c\u6210\u300a\u5982\u4f55\u5728Ubuntu 22.04\u4e0a\u5b89\u88c5\u548c\u4f7f\u7528PostgreSQL\u300b\u6559\u7a0b\u7684\u7b2c1\u6b65\uff0c\u786e\u4fdd\u60a8\u7684\u670d\u52a1\u5668\u4e0a\u5df2\u5b89\u88c5Postgres\u3002<\/li>\n<\/ul>\n<p>\u5728\u51c6\u5907\u597d\u60a8\u7684\u73af\u5883\u5e76\u5728\u670d\u52a1\u5668\u4e0a\u8fd0\u884cPostgres\u540e\uff0c\u60a8\u53ef\u4ee5\u5f00\u59cb\u5b66\u4e60Postgres\u5982\u4f55\u5904\u7406\u6743\u9650\u3002<\/p>\n<h2>\u5728PostgreSQL\u4e2d\u67e5\u770b\u89d2\u8272\u548c\u6743\u9650<\/h2>\n<p>PostgreSQL\u901a\u8fc7\u201c\u89d2\u8272\u201d\u7684\u6982\u5ff5\u6765\u7ba1\u7406\u6743\u9650\u3002\u89d2\u8272\u4e0e\u4f20\u7edf\u7684Unix\u98ce\u683c\u6743\u9650\u4e0d\u540c\uff0c\u5b83\u4eec\u6ca1\u6709\u7528\u6237\u548c\u7ec4\u7684\u533a\u522b\u3002\u89d2\u8272\u53ef\u4ee5\u88ab\u64cd\u4f5c\u4ee5\u7b26\u5408\u8fd9\u4e24\u79cd\u7ea6\u5b9a\uff0c\u4f46\u5b83\u4eec\u4e5f\u66f4\u52a0\u7075\u6d3b\u3002\u5728\u5b89\u88c5\u65f6\uff0cPostgreSQL\u88ab\u8bbe\u7f6e\u4e3a\u4f7f\u7528\u5bf9\u7b49\u9a8c\u8bc1\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u5c06PostgreSQL\u89d2\u8272\u4e0e\u5339\u914d\u7684Unix\/Linux\u7cfb\u7edf\u8d26\u6237\u5173\u8054\u8d77\u6765\u3002\u5982\u679c\u5728PostgreSQL\u4e2d\u5b58\u5728\u4e00\u4e2a\u89d2\u8272\uff0c\u4e00\u4e2a\u4e0e\u8be5\u89d2\u8272\u540c\u540d\u7684Unix\/Linux\u7528\u6237\u540d\u53ef\u4ee5\u4f5c\u4e3a\u8be5\u89d2\u8272\u767b\u5f55\u3002<\/p>\n<p>\u5b89\u88c5\u8fc7\u7a0b\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3a<code>postgres<\/code>\u7684\u7528\u6237\u8d26\u6237\uff0c\u8be5\u8d26\u6237\u4e0e\u9ed8\u8ba4\u7684Postgres\u89d2\u8272\u5173\u8054\u3002\u4e3a\u4e86\u4f7f\u7528Postgres\uff0c\u60a8\u53ef\u4ee5\u767b\u5f55\u8be5\u8d26\u6237\u3002<\/p>\n<p>\u9996\u5148\uff0c\u4f7f\u7528<code>systemctl start<\/code>\u547d\u4ee4\u786e\u4fdd\u60a8\u7684\u670d\u52a1\u5668\u6b63\u5728\u8fd0\u884c\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> systemctl start postgresql.service<\/li><\/ol><\/code><\/pre>\n<p>\u7136\u540e\uff0c\u60a8\u53ef\u4ee5\u8f93\u5165\u547d\u4ee4\u5207\u6362\u5230<code>postgres<\/code>\u8d26\u6237\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token parameter variable\">-i<\/span> <span class=\"token parameter variable\">-u<\/span> postgres<\/li><\/ol><\/code><\/pre>\n<p>\u60a8\u73b0\u5728\u53ef\u4ee5\u7acb\u5373\u901a\u8fc7\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\u6765\u8bbf\u95eePostgreSQL\u63d0\u793a\u7b26\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres@server:~\">psql<\/li><\/ol><\/code><\/pre>\n<p>\u8981\u5217\u51fa\u60a8\u7684Postgres\u5b9e\u4f8b\u4e2d\u7684\u89d2\u8272\uff0c\u8bf7\u952e\u5165\u4ee5\u4e0b\u547d\u4ee4:<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\"><span class=\"token punctuation\">\\<\/span>du<\/li><\/ol><\/code><\/pre>\n<pre class=\"post-pre\"><code><div class=\"secondary-code-label\" title=\"Output\">Output<pre>List of roles\r\n Role name |                         Attributes                         | Member of \r\n-----------+------------------------------------------------------------+-----------\r\n postgres  | Superuser, Create role, Create DB, Replication, Bypass RLS | {}\r\n<\/pre>\n<\/div>\n<p><\/code><\/p>\n<p>\u76ee\u524d\uff0c\u53ea\u6709\u4e00\u4e2a\u9ed8\u8ba4\u89d2\u8272\u5177\u6709\u8bb8\u591a\u5f3a\u5927\u7684\u7279\u6743\u3002<\/p>\n<h2>\u5728PostgreSQL\u4e2d\u521b\u5efa\u89d2\u8272<\/h2>\n<p>\u5728Postgres\u4e2d\uff0c\u6709\u591a\u79cd\u4e0d\u540c\u7684\u65b9\u6cd5\u53ef\u4ee5\u521b\u5efa\u89d2\u8272\u3002\u53ef\u4ee5\u4ecePostgres\u5185\u90e8\u6216\u547d\u4ee4\u884c\u521b\u5efa\u89d2\u8272\u3002<\/p>\n<h3>\u5728PostgreSQL\u4e2d\u521b\u5efa\u89d2\u8272<\/h3>\n<p>\u5728Postgres\u63d0\u793a\u754c\u9762\u4e2d\uff0c\u521b\u5efa\u65b0\u89d2\u8272\u7684\u4e00\u79cd\u65b9\u6cd5\u662f\u4ece\u5185\u90e8\u521b\u5efa\u3002\u4ee5\u4e0b\u662f\u5728Postgres\u63d0\u793a\u754c\u9762\u4e2d\u521b\u5efa\u65b0\u89d2\u8272\u7684\u8bed\u6cd5\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">CREATE ROLE <mark>new_role_name<\/mark><span class=\"token punctuation\">;<\/span><\/li><\/ol><\/code><\/pre>\n<p>\u4e3a\u4e86\u8bc1\u660e\u8fd9\u4e00\u70b9\uff0c\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a<code>demo_role<\/code>\u7684\u65b0\u89d2\u8272\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">CREATE ROLE demo_role<span class=\"token punctuation\">;<\/span><\/li><\/ol><\/code><\/pre>\n<p>\u518d\u6b21\u68c0\u67e5\u5df2\u5b9a\u4e49\u7684\u7528\u6237\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\"><span class=\"token punctuation\">\\<\/span>du<\/li><\/ol><\/code><\/pre>\n<pre class=\"post-pre\"><code><div class=\"secondary-code-label\" title=\"Output\">Output<pre>List of roles\r\n Role name |                         Attributes                         | Member of \r\n----------+------------------------------------------------------------+-----------\r\n demo_role | Cannot login                                               | {}\r\n postgres  | Superuser, Create role, Create DB, Replication, Bypass RLS | {}\r\n<\/pre>\n<\/div>\n<p><\/code><\/p>\n<p>\u60a8\u7684\u7ed3\u679c\u5c06\u663e\u793a\u4e24\u4e2a\u7528\u6237\u3002<\/p>\n<h3>\u901a\u8fc7\u547d\u4ee4\u884c\u521b\u5efa\u89d2\u8272<\/h3>\n<p>\u521b\u5efa\u89d2\u8272\u7684\u53e6\u4e00\u79cd\u65b9\u6cd5\u662f\u4f7f\u7528\u547d\u4ee4\u884c\u4e2d\u7684<code>createuser<\/code>\u547d\u4ee4\u3002<\/p>\n<p>\u9996\u5148\uff0c\u8f93\u5165<code>exit<\/code>\u547d\u4ee4\u9000\u51faPostgreSQL\u547d\u4ee4\u63d0\u793a\u7b26\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\"><span class=\"token punctuation\">\\<\/span>q<\/li><\/ol><\/code><\/pre>\n<p>\u7136\u540e\uff0c\u767b\u5f55\u5230<code>postgres<\/code>\u8d26\u6237\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token parameter variable\">-i<\/span> <span class=\"token parameter variable\">-u<\/span> postgres<\/li><\/ol><\/code><\/pre>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528<code>createuser<\/code>\u547d\u4ee4\u5728\u547d\u4ee4\u884c\u4e2d\u521b\u5efa\u65b0\u89d2\u8272\u3002\u4f7f\u7528<code>--interactive<\/code>\u53c2\u6570\u5c06\u63d0\u793a\u60a8\u8f93\u5165\u65b0\u89d2\u8272\u7684\u540d\u79f0\uff0c\u5e76\u8be2\u95ee\u662f\u5426\u5e94\u8be5\u62e5\u6709\u8d85\u7ea7\u7528\u6237\u6743\u9650\u3002<\/p>\n<p>\u4ee5<code>postgres<\/code>\u8d26\u6237\u767b\u5f55\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\u521b\u5efa\u65b0\u7528\u6237\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres@server:~\">createuser <span class=\"token parameter variable\">--interactive<\/span><\/li><\/ol><\/code><\/pre>\n<p>\u811a\u672c\u5c06\u63d0\u793a\u60a8\u8fdb\u884c\u9009\u62e9\uff0c\u5e76\u6839\u636e\u60a8\u7684\u56de\u7b54\u6267\u884c\u7b26\u5408\u60a8\u8981\u6c42\u7684\u6b63\u786e\u7684Postgres\u547d\u4ee4\u3002<\/p>\n<pre class=\"post-pre\"><code><div class=\"secondary-code-label\" title=\"Output\">Output<pre>Enter name of role to add: <mark>test_user<\/mark>\r\nShall the new role be a superuser? (y\/n) <mark>n<\/mark>\r\nShall the new role be allowed to create databases? (y\/n) <mark>n<\/mark>\r\nShall the new role be allowed to create more new roles? (y\/n) <mark>n<\/mark>\r\n<\/pre>\n<\/div>\n<p><\/code><\/p>\n<p>\u901a\u8fc7\u5bf9\u6240\u6709\u8fd9\u4e9b\u63d0\u793a\u56de\u7b54\u201c\u5426\u201d(n)\uff0c\u60a8\u5c06\u521b\u5efa\u4e00\u4e2a\u7c7b\u4f3c\u4e8e\u4e0a\u4e00\u4e2a\u7528\u6237\u7684\u7528\u6237\u3002<\/p>\n<p>\u91cd\u65b0\u767b\u5f55\u5230\u60a8\u7684<code>psql<\/code> Postgres\u63d0\u793a\u7b26\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres@server:~\">psql<\/li><\/ol><\/code><\/pre>\n<p>\u7136\u540e\u6267\u884c<code>du<\/code>\u547d\u4ee4\u4ee5\u63ed\u793a\u8fd9\u4e24\u4e2a\u65b0\u89d2\u8272\u4e4b\u95f4\u7684\u5dee\u5f02\u3002\u8fd9\u4e2a\u547d\u4ee4\u4ee5<code>\\<\/code>\u5f00\u5934\uff0c\u56e0\u4e3a\u5b83\u662f\u4e00\u4e2a\u7279\u5b9a\u4e8e<code>psql<\/code>\u7684\u5143\u547d\u4ee4\uff0c\u7531<code>psql<\/code>\u81ea\u8eab\u800c\u4e0d\u662fPostgreSQL\u5904\u7406\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\"><span class=\"token punctuation\">\\<\/span>du<\/li><\/ol><\/code><\/pre>\n<p>\u8fd9\u662f\u6587\u7ae0\u300a\u5982\u4f55\u5728VPS\u4e0a\u4f7f\u7528\u89d2\u8272\u548c\u7ba1\u7406\u6388\u4e88\u6743\u9650\u7684PostgreSQL\u4f7f\u7528\u65b9\u6cd5\u300b\u7684\u7b2c2\u90e8\u5206\uff08\u51715\u90e8\u5206\uff09\u3002<\/p>\n<h3>\u89d2\u8272\u5217\u8868<\/h3>\n<pre class=\"post-pre\"><code>List of roles\r\n Role name |                         Attributes                         | Member of \r\n----------|------------------------------------------------------------|-----------\r\ndemo_role | Cannot login                                               | {}\r\npostgres  | Superuser, Create role, Create DB, Replication, Bypass RLS | {}\r\ntest_user |                                                            | {}\r\n<\/code><\/pre>\n<p>\u8bf7\u6ce8\u610f\uff0c\u4ece\u547d\u4ee4\u884c\u521b\u5efa\u7684\u7528\u6237\u6ca1\u6709\u5c06\u201c\u65e0\u6cd5\u767b\u5f55\u201d\u5217\u4e3a\u5c5e\u6027\u3002<\/p>\n<h2>\u5728PostgreSQL\u4e2d\u5220\u9664\u89d2\u8272<\/h2>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\u5220\u9664\u4e00\u4e2a\u89d2\u8272\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres@server:~\">DROP ROLE <mark>role_name<\/mark>;<\/li><\/ol><\/code><\/pre>\n<p>\u4e3a\u4e86\u6f14\u793a\uff0c\u901a\u8fc7\u8f93\u5165\u547d\u4ee4\u5220\u9664<code>demo_role<\/code>\u89d2\u8272\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">DROP ROLE demo_role;<\/li><\/ol><\/code><\/pre>\n<p>\u5982\u679c\u4f60\u5bf9\u4e00\u4e2a\u4e0d\u5b58\u5728\u7684\u7528\u6237\u53d1\u51fa\u547d\u4ee4\uff0c\u4f60\u5c06\u6536\u5230\u4e00\u4e2a\u9519\u8bef\u4fe1\u606f\u3002<\/p>\n<pre class=\"post-pre\"><code><div class=\"secondary-code-label\" title=\"Output\">Output<\/div>ERROR:  role \"demo_role\" does not exist<\/code><\/pre>\n<p>\u4e3a\u4e86\u907f\u514d\u8fd9\u79cd\u60c5\u51b5\uff0c\u5e76\u4f7f\u5f97\u5220\u9664\u547d\u4ee4\u5728\u7528\u6237\u5b58\u5728\u65f6\u5220\u9664\u7528\u6237\uff0c\u5728\u7528\u6237\u4e0d\u5b58\u5728\u65f6\u4e0d\u505a\u4efb\u4f55\u64cd\u4f5c\uff0c\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">DROP ROLE IF EXISTS <mark>role_name<\/mark>;<\/li><\/ol><\/code><\/pre>\n<p>\u4f7f\u7528\u6b64\u9009\u9879\u6307\u5b9a\u540e\uff0c\u65e0\u8bba\u89d2\u8272\u7684\u6709\u6548\u6027\u5982\u4f55\uff0c\u547d\u4ee4\u90fd\u4f1a\u6210\u529f\u5b8c\u6210\u3002\u5c1d\u8bd5\u4f7f\u7528\u4e0a\u8ff0\u547d\u4ee4\u5220\u9664<code>demo_role<\/code>\u5c06\u5bfc\u81f4\u51fa\u73b0\u4ee5\u4e0b\u60c5\u51b5\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">DROP ROLE IF EXISTS demo_role;<\/li><\/ol><\/code><\/pre>\n<pre class=\"post-pre\"><code><div class=\"secondary-code-label\" title=\"Output\">Output<\/div>NOTICE:  role \"demo_role\" does not exist, skipping\r\nDROP ROLE<\/code><\/pre>\n<p>\u8be5\u89d2\u8272\u5df2\u88ab\u5220\u9664\u3002<\/p>\n<h2>\u5728\u89d2\u8272\u521b\u5efa\u65f6\u5b9a\u4e49\u6743\u9650<\/h2>\n<p>\u73b0\u5728\uff0c\u60a8\u5df2\u7ecf\u51c6\u5907\u597d\u4f7f\u7528\u66f4\u6539\u540e\u7684\u6743\u9650\u91cd\u65b0\u521b\u5efa<code>demo_role<\/code>\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7\u5728\u4e3b<code>CREATE<\/code>\u5b50\u53e5\u4e4b\u540e\u6307\u5b9a\u6240\u9700\u7684\u6743\u9650\u6765\u5b9e\u73b0\u8fd9\u4e00\u70b9\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">CREATE ROLE <mark>role_name<\/mark> WITH <mark>assigned_permissions<\/mark>;<\/li><\/ol><\/code><\/pre>\n<p>\u8981\u67e5\u770b\u5168\u90e8\u9009\u9879\u7684\u5b8c\u6574\u5217\u8868\uff0c\u8bf7\u8f93\u5165\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">\\h CREATE ROLE<\/li><\/ol><\/code><\/pre>\n<pre class=\"post-pre\"><code><div class=\"secondary-code-label\" title=\"Output\">Output<\/div>Command:     CREATE ROLE\r\nDescription: define a new database role\r\nSyntax:\r\nCREATE ROLE name [ [ WITH ] option [ ... ] ]\r\n\r\nwhere option can be:\r\n\r\n      SUPERUSER | NOSUPERUSER\r\n    | CREATEDB | NOCREATEDB\r\n    | CREATEROLE | NOCREATEROLE\r\n    | INHERIT | NOINHERIT\r\n    | LOGIN | NOLOGIN\r\n    | REPLICATION | NOREPLICATION\r\n    | BYPASSRLS | NOBYPASSRLS\r\n    | CONNECTION LIMIT connlimit\r\n    | [ ENCRYPTED ] PASSWORD 'password' | PASSWORD NULL\r\n    | VALID UNTIL 'timestamp'\r\n    | IN ROLE role_name [, ...]\r\n    | IN GROUP role_name [, ...]\r\n    | ROLE role_name [, ...]\r\n    | ADMIN role_name [, ...]\r\n    | USER role_name [, ...]\r\n    | SYSID uid\r\n\r\nURL: https:\/\/www.postgresql.org\/docs\/14\/sql-createrole.html<\/code><\/pre>\n<p>\u60a8\u53ef\u4ee5\u901a\u8fc7\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\u7ed9 <code>demo_role<\/code> \u7528\u6237\u63d0\u4f9b\u767b\u5f55\u6743\u9650\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">CREATE ROLE demo_role WITH LOGIN;<\/li><\/ol><\/code><\/pre>\n<p>\u901a\u8fc7\u4f7f\u7528<code>\\du<\/code>\u547d\u4ee4\u68c0\u67e5\u5c5e\u6027\uff0c\u8fd9\u4e24\u4e2a\u7528\u6237\u73b0\u5728\u62e5\u6709\u76f8\u540c\u7684\u6743\u9650\u3002<\/p>\n<pre class=\"post-pre\"><code><div class=\"secondary-code-label\" title=\"Output\">Output<\/div>List of roles\r\n Role name |                         Attributes                         | Member of \r\n----------|------------------------------------------------------------|-----------\r\ndemo_role |                                                            | {}\r\npostgres  | Superuser, Create role, Create DB, Replication, Bypass RLS | {}\r\ntest_user |                                                            | {}<\/code><\/pre>\n<p>\u60a8\u53ef\u4ee5\u5728\u521b\u5efa\u6bcf\u4e2a\u89d2\u8272\u65f6\uff0c\u65e0\u9700\u6307\u5b9a<code>LOGIN<\/code>\u5c5e\u6027\u6765\u8fbe\u5230\u6b64\u72b6\u6001\u3002\u901a\u8fc7\u4f7f\u7528\u4ee5\u4e0b<code>CREATE USER<\/code>\u547d\u4ee4\uff0c\u5b83\u4f1a\u81ea\u52a8\u8d4b\u4e88\u89d2\u8272\u767b\u5f55\u6743\u9650\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">CREATE USER <mark>role_name<\/mark>;<\/li><\/ol><\/code><\/pre>\n<p>\u89d2\u8272\u662f\u81ea\u52a8\u8d4b\u4e88\u6743\u9650\u800c\u521b\u5efa\u7684\u3002<\/p>\n<h2>\u5728PostgreSQL\u4e2d\u66f4\u6539\u89d2\u8272\u6743\u9650<\/h2>\n<p>\u8981\u66f4\u6539\u5df2\u521b\u5efa\u89d2\u8272\u7684\u5c5e\u6027\uff0c\u8bf7\u4f7f\u7528<code>ALTER ROLE<\/code>\u547d\u4ee4\u3002\u8be5\u547d\u4ee4\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">ALTER ROLE <mark>role_name<\/mark> WITH <mark>attribute_options<\/mark>;<\/li><\/ol><\/code><\/pre>\n<p>\u8fd9\u4e2a\u547d\u4ee4\u5141\u8bb8\u60a8\u5b9a\u4e49\u6743\u9650\u66f4\u6539\uff0c\u800c\u65e0\u9700\u50cf\u4e4b\u524d\u6f14\u793a\u7684\u90a3\u6837\u5220\u9664\u548c\u91cd\u65b0\u521b\u5efa\u7528\u6237\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u53d1\u51fa\u6b64\u547d\u4ee4\u5c06<code>demo_role<\/code>\u66f4\u6539\u56de\u5148\u524d\u7684\u72b6\u6001\u201c\u65e0\u6cd5\u767b\u5f55\u201d\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">ALTER ROLE demo_role WITH NOLOGIN;<\/li><\/ol><\/code><\/pre>\n<p>\u60a8\u53ef\u4ee5\u7528<code>\\du<\/code>\u547d\u4ee4\u6765\u786e\u8ba4\u6b64\u53d8\u66f4\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">\\du<\/li><\/ol><\/code><\/pre>\n<pre class=\"post-pre\"><code><div class=\"secondary-code-label\" title=\"Output\">Output<\/div><\/code><\/pre>\n<p>\u8fd9\u662f\u6587\u7ae0\u300a\u5982\u4f55\u5728VPS\u4e0a\u4f7f\u7528\u89d2\u8272\u548c\u7ba1\u7406\u6388\u4e88\u6743\u9650\u7684PostgreSQL\u4f7f\u7528\u65b9\u6cd5\u300b\u7684\u7b2c3\u90e8\u5206\uff08\u51715\u90e8\u5206\uff09\u3002<\/p>\n<h3>\u89d2\u8272\u5217\u8868<\/h3>\n<pre class=\"post-pre\"><code>List of roles\r\n Role name |                         Attributes                         | Member of \r\n----------+------------------------------------------------------------+-----------\r\n demo_role | Cannot login                                               | {}\r\n postgres  | Superuser, Create role, Create DB, Replication, Bypass RLS | {}\r\n test_user |                                                            | {}<\/code><\/pre>\n<p>\u8981\u5c06\u5176\u66f4\u6539\u56de\u5177\u6709\u767b\u5f55\u6743\u9650\u7684\u89d2\u8272\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\"> ALTER ROLE demo_role WITH LOGIN;<\/li><\/ol><\/code><\/pre>\n<p>\u73b0\u5728\u89d2\u8272\u5df2\u7ecf\u6062\u590d\u539f\u72b6\u3002<\/p>\n<h2>\u5728PostgreSQL\u4e2d\u4ee5\u4e0d\u540c\u7528\u6237\u8eab\u4efd\u767b\u5f55<\/h2>\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u53ea\u6709\u5f53\u7cfb\u7edf\u7528\u6237\u540d\u4e0ePostgreSQL\u7528\u6237\u540d\u5339\u914d\u65f6\uff0c\u7528\u6237\u624d\u80fd\u8fdb\u884c\u672c\u5730\u767b\u5f55\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7\u66f4\u6539\u767b\u5f55\u7c7b\u578b\u6216\u6307\u5b9aPostgreSQL\u4f7f\u7528\u56de\u73af\u7f51\u7edc\u63a5\u53e3\u6765\u8fdb\u884c\u66f4\u6539\u3002\u8fd9\u6837\u4f1a\u5c06\u8fde\u63a5\u7c7b\u578b\u66f4\u6539\u4e3a\u8fdc\u7a0b\u8fde\u63a5\uff0c\u5c3d\u7ba1\u5b9e\u9645\u4e0a\u662f\u672c\u5730\u8fde\u63a5\u3002<\/p>\n<p>\u9996\u5148\uff0c\u4e3a\u60a8\u60f3\u8981\u8fde\u63a5\u7684\u7528\u6237\u521b\u5efa\u4e00\u4e2a\u5bc6\u7801\uff0c\u4ee5\u4fbf\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u3002\u60a8\u53ef\u4ee5\u5c1d\u8bd5\u4f7f\u7528\u4e4b\u524d\u521b\u5efa\u7684<code>test_user<\/code>\uff0c\u5e76\u7ed9\u4e88\u5b83\u4e00\u4e2a\u5bc6\u7801\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">\\password test_user<\/li><\/ol><\/code><\/pre>\n<p>\u60a8\u5c06\u88ab\u8981\u6c42\u8f93\u5165\u5e76\u786e\u8ba4\u5bc6\u7801\u3002\u73b0\u5728\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9000\u51faPostgreSQL\u754c\u9762\uff0c\u5e76\u8fd4\u56de\u5230\u60a8\u7684\u666e\u901a\u7528\u6237\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">\\q<\/li><\/ol><\/code><\/pre>\n<p>PostgreSQL\u8ba4\u4e3a\u5f53\u60a8\u767b\u5f55\u65f6\uff0c\u60a8\u5c06\u4f7f\u7528\u4e0e\u64cd\u4f5c\u7cfb\u7edf\u7528\u6237\u540d\u5339\u914d\u7684\u7528\u6237\u540d\uff0c\u5e76\u4e14\u60a8\u5c06\u8fde\u63a5\u5230\u5177\u6709\u76f8\u540c\u540d\u79f0\u7684\u6570\u636e\u5e93\u3002<\/p>\n<p>\u4e3a\u4e86\u660e\u786e\u6307\u5b9a\u60a8\u60f3\u8981\u4f7f\u7528\u7684\u9009\u9879\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\u52a0\u4e0a\u60a8\u7684\u53c2\u6570\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\">psql <span class=\"token parameter variable\">-U<\/span> <mark>user_name<\/mark> <span class=\"token parameter variable\">-d<\/span> <mark>database_name<\/mark> <span class=\"token parameter variable\">-h<\/span> <span class=\"token number\">127.0<\/span>.0.1 <span class=\"token parameter variable\">-W<\/span><\/li><\/ol><\/code><\/pre>\n<p>\u4ee5\u4e0b\u662f\u6307\u4ee4\u4e2d\u6bcf\u4e2a\u9879\u76ee\u7684\u7b80\u8981\u8bf4\u660e\uff1a<\/p>\n<ul class=\"post-ul\">\n<li><code>user_name<\/code>\u5e94\u66ff\u6362\u4e3a\u60a8\u60f3\u8981\u8fde\u63a5\u7684\u7528\u6237\u540d\u3002<\/li>\n<li><code>database_name<\/code>\u5e94\u662f\u60a8\u6709\u6743\u8bbf\u95ee\u7684\u73b0\u6709\u6570\u636e\u5e93\u7684\u540d\u79f0\u3002<\/li>\n<li><code>-h 127.0.0.1<\/code>\u90e8\u5206\u6307\u5b9a\u60a8\u5c06\u8fde\u63a5\u5230\u672c\u5730\u673a\u5668\uff0c\u4f46\u901a\u8fc7\u7f51\u7edc\u63a5\u53e3\u8fdb\u884c\u8fde\u63a5\uff0c\u8fd9\u5141\u8bb8\u60a8\u5373\u4f7f\u7cfb\u7edf\u7528\u6237\u540d\u4e0d\u5339\u914d\u4e5f\u80fd\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u3002<\/li>\n<li><code>-W<\/code>\u6807\u5fd7\u544a\u8bc9PostgreSQL\u60a8\u5c06\u8f93\u5165\u5bc6\u7801\u3002<\/li>\n<\/ul>\n<p>\u8981\u4f7f\u7528\u60a8\u7684\u6d4b\u8bd5\u7528\u6237\u767b\u5f55\uff0c\u8bf7\u6267\u884c\u4ee5\u4e0b\u6307\u4ee4\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> psql <span class=\"token parameter variable\">-U<\/span> <mark>test_user<\/mark> <span class=\"token parameter variable\">-d<\/span> postgres <span class=\"token parameter variable\">-h<\/span> <span class=\"token number\">127.0<\/span>.0.1 <span class=\"token parameter variable\">-W<\/span><\/li><\/ol><\/code><\/pre>\n<p>\u5728\u6267\u884c\u6b64\u547d\u4ee4\u540e\uff0c\u60a8\u9700\u8981\u8f93\u5165\u5bc6\u7801\u3002<\/p>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u60a8\u4f7f\u7528\u7684\u662f\u6570\u636e\u5e93<code>postgres<\/code>\u3002\u8fd9\u662f\u5728\u5b89\u88c5\u8fc7\u7a0b\u4e2d\u9ed8\u8ba4\u8bbe\u7f6e\u7684\u6570\u636e\u5e93\u3002\u5982\u679c\u60a8\u5c1d\u8bd5\u5728\u8fd9\u4e2a\u4f1a\u8bdd\u4e2d\u6267\u884c\u4e00\u4e9b\u64cd\u4f5c\uff0c\u60a8\u4f1a\u53d1\u73b0\u60a8\u6ca1\u6709\u5f88\u591a\u80fd\u529b\u6765\u505a\u5f88\u591a\u4e8b\u60c5\u3002\u8fd9\u662f\u56e0\u4e3a<code>test_user<\/code>\u6ca1\u6709\u88ab\u6388\u4e88\u7ba1\u7406\u6743\u9650\u3002<\/p>\n<h3>\u9000\u51fa\u5f53\u524d\u4f1a\u8bdd<\/h3>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">\\q<\/li><\/ol><\/code><\/pre>\n<p>\u7136\u540e\u518d\u6b21\u8fdb\u5165\u7ba1\u7406\u7684PostgreSQL\u4f1a\u8bdd\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> -u postgres psql<\/li><\/ol><\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\u60a8\u5c06\u6388\u4e88\u6743\u9650\u3002<\/p>\n<h2>\u5728PostgreSQL\u4e2d\u6388\u4e88\u6743\u9650<\/h2>\n<p>\u521b\u5efa\u6570\u636e\u5e93\u6216\u8868\u65f6\uff0c\u901a\u5e38\u53ea\u6709\u521b\u5efa\u8005\u89d2\u8272\uff08\u4e0d\u5305\u62ec\u5177\u6709\u8d85\u7ea7\u7528\u6237\u6743\u9650\u7684\u89d2\u8272\uff09\u624d\u6709\u6743\u9650\u5bf9\u5176\u8fdb\u884c\u4fee\u6539\u3002\u53ef\u4ee5\u901a\u8fc7\u6388\u4e88\u5176\u4ed6\u89d2\u8272\u6743\u9650\u6765\u6539\u53d8\u8fd9\u79cd\u884c\u4e3a\u3002<\/p>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528<code>GRANT<\/code>\u547d\u4ee4\u6765\u6388\u4e88\u6743\u9650\uff0c\u5176\u4e00\u822c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">GRANT <mark>permission_type<\/mark> ON <mark>table_name<\/mark> TO <mark>role_name<\/mark>;<\/li><\/ol><\/code><\/pre>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u521b\u5efa\u4e00\u5f20\u8868\u683c\u6765\u7ec3\u4e60\u8fd9\u4e9b\u6982\u5ff5\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">CREATE TABLE demo (<\/li><li data-prefix=\"postgres=#\">name varchar(25),<\/li><li data-prefix=\"postgres=#\">id serial,<\/li><li data-prefix=\"postgres=#\">start_date date);<\/li><\/ol><\/code><\/pre>\n<p>\u6b32\u67e5\u770b\u8868\u683c\uff0c\u8bf7\u8f93\u5165\u6b64\u547d\u4ee4\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">\\d<\/li><\/ol><\/code><\/pre>\n<pre class=\"post-pre\"><code><div class=\"secondary-code-label\" title=\"Output\">Output<\/div>List of relations\r\n Schema |    Name     |   Type   |  Owner   \r\n--------+-------------+----------+----------\r\n public | demo        | table    | postgres\r\n public | demo_id_seq | sequence | postgres\r\n(2 rows)<\/code><\/pre>\n<p>\u8bf7\u6ce8\u610f\u53ea\u6709\u4e00\u4e2a\u8868\u7c7b\u578b\u548c\u4e00\u4e2a\u5e8f\u5217\u7c7b\u578b\u3002\u5f53\u60a8\u5728\u521b\u5efa\u8868\u65f6\u4f7f\u7528\u4e86<code>id serial<\/code>\u547d\u4ee4\uff0c\u5e8f\u5217\u4f1a\u4e3a\u60a8\u751f\u6210\u3002\u8fd9\u5c06\u751f\u6210\u4e00\u4e2a\u81ea\u589e\u7684\u6574\u6570\u3002<\/p>\n<p>\u73b0\u5728\u60a8\u53ef\u4ee5\u5c06\u4e00\u4e9b\u6743\u9650\u6388\u4e88<code>demo_role<\/code>\u7684\u65b0\u6f14\u793a\u8868\u3002\u8981\u8fd9\u6837\u505a\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5411<code>demo_role<\/code>\u7528\u6237\u6388\u4e88<code>UPDATE<\/code>\u6743\u9650\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">GRANT UPDATE ON demo TO demo_role;<\/li><\/ol><\/code><\/pre>\n<p>\u60a8\u53ef\u4ee5\u5c06\u6743\u9650\u7c7b\u578b\u66ff\u6362\u4e3a&#8221;ALL&#8221;\u6765\u6388\u4e88\u7528\u6237\u5b8c\u5168\u6743\u9650\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5c06\u6b64\u6743\u9650\u6388\u4e88<code>test_user<\/code>\u7528\u6237\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">GRANT ALL ON demo TO test_user;<\/li><\/ol><\/code><\/pre>\n<p>\u5982\u679c\u60a8\u60f3\u4e3a\u7cfb\u7edf\u4e0a\u7684\u6bcf\u4e2a\u7528\u6237\u6307\u5b9a\u6743\u9650\uff0c\u53ef\u4ee5\u4f7f\u7528<code>PUBLIC<\/code>\u800c\u4e0d\u662f\u6307\u5b9a\u67d0\u4e2a\u7279\u5b9a\u7528\u6237\u3002<\/p>\n<p>\u8fd9\u662f\u6587\u7ae0\u300a\u5982\u4f55\u5728VPS\u4e0a\u4f7f\u7528\u89d2\u8272\u548c\u7ba1\u7406\u6388\u4e88\u6743\u9650\u7684PostgreSQL\u4f7f\u7528\u65b9\u6cd5\u300b\u7684\u7b2c4\u90e8\u5206\uff08\u51715\u90e8\u5206\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">GRANT INSERT ON demo TO PUBLIC;<\/li><\/ol><\/code><\/pre>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u53ef\u4ee5\u67e5\u770b\u6388\u6743\u8868\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">\\z<\/li><\/ol><\/code><\/pre>\n<pre class=\"post-pre\"><code><div class=\"secondary-code-label\" title=\"\u8f93\u51fa\">\u8f93\u51fa<\/div>\r\nAccess privileges\r\n Schema |    Name     |   Type   |     Access privileges      | Column privileges | Policies \r\n--------+-------------+----------+----------------------------+-------------------+----------\r\n public | demo        | table    | postgres=arwdDxt\/postgres +|\r\n        |             |          | demo_role=w\/postgres      +|\r\n        |             |          | test_user=arwdDxt\/postgres+|\r\n        |             |          | =a\/postgres                |\r\n public | demo_id_seq | sequence |                            |\r\n(2 rows)<\/code><\/pre>\n<p>\u8fd9\u663e\u793a\u4e86\u6240\u6709\u5df2\u5206\u914d\u7684\u6388\u4e88\u6743\u9650\u3002<\/p>\n<h2>\u4ecePostgreSQL\u4e2d\u5220\u9664\u6743\u9650<\/h2>\n<p>\u4f60\u53ef\u4ee5\u4f7f\u7528<code>REVOKE<\/code>\u547d\u4ee4\u6765\u64a4\u9500\u6743\u9650\u3002<code>REVOKE<\/code>\u547d\u4ee4\u7684\u8bed\u6cd5\u51e0\u4e4e\u4e0e<code>GRANT<\/code>\u547d\u4ee4\u76f8\u540c\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">REVOKE <mark>permission_type<\/mark> ON <mark>table_name<\/mark> FROM <mark>user_name<\/mark>;<\/li><\/ol><\/code><\/pre>\n<p>\u60a8\u53ef\u4ee5\u5728\u547d\u4ee4\u4e2d\u540c\u6837\u4f7f\u7528\u8fd9\u4e24\u4e2a\u7f29\u5199\u8bcd\uff0c\u5373<code>ALL<\/code>\u548c<code>PUBLIC<\/code>\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">REVOKE INSERT ON demo FROM PUBLIC;<\/li><\/ol><\/code><\/pre>\n<p>\u60a8\u4e4b\u524d\u8bbe\u5b9a\u7684\u6743\u9650\u5df2\u7ecf\u88ab\u53d6\u6d88\u4e86\u3002<\/p>\n<h2>\u5728PostgreSQL\u4e2d\u4f7f\u7528\u7ec4\u89d2\u8272<\/h2>\n<p>\u89d2\u8272\u8db3\u591f\u7075\u6d3b\uff0c\u53ef\u4ee5\u5141\u8bb8\u5c06\u5176\u4ed6\u89d2\u8272\u8fdb\u884c\u5206\u7ec4\uff0c\u4ee5\u5b9e\u73b0\u5e7f\u6cdb\u7684\u6743\u9650\u63a7\u5236\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a\u201ctemporary_users\u201d\u7684\u65b0\u89d2\u8272\uff0c\u7136\u540e\u5c06\u201cdemo_role\u201d\u548c\u201ctest_user\u201d\u6dfb\u52a0\u5230\u8be5\u7ec4\u4e2d\u3002<\/p>\n<p>\u9996\u5148\u521b\u5efa\u4e00\u4e2a\u5c06\u4f5c\u4e3a\u7ec4\u4f7f\u7528\u7684\u65b0\u89d2\u8272\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">CREATE ROLE temporary_users;<\/li><\/ol><\/code><\/pre>\n<p>\u7136\u540e\u5c06\u7528\u6237\u5206\u914d\u7ed9\u65b0\u521b\u5efa\u7684<code>temporary_users<\/code>\u7ec4\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">GRANT temporary_users TO demo_role;<\/li><\/ol><\/code><\/pre>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">GRANT temporary_users TO test_user;<\/li><\/ol><\/code><\/pre>\n<p>\u73b0\u5728\uff0c\u8fd9\u4e24\u4e2a\u7528\u6237\u53ef\u4ee5\u901a\u8fc7\u64cd\u4f5c\u201ctemporary_users\u201d\u7ec4\u89d2\u8272\u6765\u7ba1\u7406\u5176\u6743\u9650\uff0c\u800c\u4e0d\u662f\u5355\u72ec\u7ba1\u7406\u6bcf\u4e2a\u6210\u5458\u3002<\/p>\n<p>\u60a8\u53ef\u4ee5\u901a\u8fc7\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\u6765\u67e5\u770b\u89d2\u8272\u6210\u5458\u8d44\u6599\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">\\du<\/li><\/ol><\/code><\/pre>\n<pre class=\"post-pre\"><code><div class=\"secondary-code-label\" title=\"\u8f93\u51fa\">\u8f93\u51fa<\/div>\r\nList of roles\r\n    Role name    |                         Attributes                         |     Member of     \r\n-----------------+------------------------------------------------------------+-------------------\r\n demo_role       |                                                            | {temporary_users}\r\n postgres        | Superuser, Create role, Create DB, Replication, Bypass RLS | {}\r\n temporary_users | Cannot login                                               | {}\r\n test_user       |                                                            | {temporary_users}<\/code><\/pre>\n<p>\u53ea\u8981\u4f7f\u7528<code>SET ROLE<\/code>\u547d\u4ee4\uff0c\u7fa4\u7ec4\u4e2d\u7684\u4efb\u4f55\u6210\u5458\u89d2\u8272\u90fd\u53ef\u4ee5\u5145\u5f53\u4ed6\u4eec\u6240\u5c5e\u7684\u7fa4\u7ec4\u89d2\u8272\u3002\u7531\u4e8e\u60a8\u5f53\u524d\u767b\u5f55\u7684postgres\u7528\u6237\u5177\u6709\u8d85\u7ea7\u7528\u6237\u7279\u6743\uff0c\u5373\u4f7f\u5b83\u4e0d\u662f<code>temporary_users<\/code>\u7ec4\u7684\u6210\u5458\uff0c\u60a8\u4ecd\u7136\u53ef\u4ee5\u4f7f\u7528<code>SET ROLE<\/code>\u547d\u4ee4\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">SET ROLE temporary_users;<\/li><\/ol><\/code><\/pre>\n<p>\u73b0\u5728\uff0c\u4efb\u4f55\u521b\u5efa\u7684\u8868\u90fd\u662f\u7531\u4e34\u65f6\u7528\u6237\u89d2\u8272\u62e5\u6709\u7684\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">CREATE TABLE hello (\r\nname varchar(25),\r\nid serial,\r\nstart_date date);<\/li><\/ol><\/code><\/pre>\n<p>\u73b0\u5728\uff0c\u901a\u8fc7\u8f93\u5165\u8fd9\u4e2a\u547d\u4ee4\u6765\u68c0\u67e5\u8868\u7684\u6240\u6709\u6743:<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">\\d<\/li><\/ol><\/code><\/pre>\n<pre class=\"post-pre\"><code><div class=\"secondary-code-label\" title=\"\u8f93\u51fa\">\u8f93\u51fa<\/div>\r\nList of relations\r\n Schema |     Name     |   Type   |      Owner      \r\n--------+--------------+----------+-----------------\r\n public | demo         | table    | postgres\r\n public | demo_id_seq  | sequence | postgres\r\n public | hello        | table    | temporary_users\r\n public | hello_id_seq | sequence | temporary_users\r\n(4 rows)<\/code><\/pre>\n<p>\u4e34\u65f6\u7528\u6237\u89d2\u8272\u62e5\u6709\u4e0e\u5e8f\u5217\u6570\u636e\u7c7b\u578b\u76f8\u5173\u8054\u7684\u65b0\u8868\u3002<\/p>\n<p>\u8981\u6062\u590d\u5230\u539f\u59cb\u89d2\u8272\u6743\u9650\uff0c\u8bf7\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">RESET ROLE;<\/li><\/ol><\/code><\/pre>\n<p>\u5982\u679c\u60a8\u5728<code>ALTER ROLE<\/code>\u547d\u4ee4\u4e2d\u7ed9\u4e88\u7528\u6237\u7ee7\u627f\u5c5e\u6027\uff0c\u90a3\u4e48\u8be5\u7528\u6237\u5c06\u81ea\u52a8\u62e5\u6709\u5176\u6240\u5c5e\u89d2\u8272\u7684\u6240\u6709\u7279\u6743\uff0c\u65e0\u9700\u4f7f\u7528<code>SET ROLE<\/code>\u547d\u4ee4\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">ALTER ROLE test_user INHERIT;<\/li><\/ol><\/code><\/pre>\n<p>\u73b0\u5728\uff0c<code>test_user<\/code>\u5c06\u5177\u6709\u4ed6\u6240\u5c5e\u89d2\u8272\u7684\u6240\u6709\u6743\u9650\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528<code>DROP ROLE<\/code>\u547d\u4ee4\u5220\u9664\u7ec4\u89d2\u8272\u6216\u4efb\u4f55\u89d2\u8272\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\u6765\u6d4b\u8bd5<code>temporary_users<\/code>\u7ec4\u7684\u6743\u9650\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">DROP ROLE temporary_users;<\/li><\/ol><\/code><\/pre>\n<pre class=\"post-pre\"><code><div class=\"secondary-code-label\" title=\"\u8f93\u51fa\">\u8f93\u51fa<\/div>\u9519\u8bef: \u89d2\u8272 \"temporary_users\" \u65e0\u6cd5\u5220\u9664\uff0c\u56e0\u4e3a\u6709\u5bf9\u8c61\u4f9d\u8d56\u4e8e\u5b83<br>\u8be6\u60c5: \u5e8f\u5217 hello_id_seq \u7684\u6240\u6709\u8005<br>\u8868 hello \u7684\u6240\u6709\u8005<\/code><\/pre>\n<p>\u8fd9\u4e2a\u64cd\u4f5c\u4f1a\u8f93\u51fa\u4e00\u4e2a\u9519\u8bef\uff0c\u56e0\u4e3a <code>hello<\/code> \u8868\u662f\u7531 <code>temporary_users<\/code> \u62e5\u6709\u7684\u3002\u4f60\u53ef\u4ee5\u901a\u8fc7\u5c06\u6240\u6709\u6743\u8f6c\u79fb\u5230\u4e0d\u540c\u7684\u89d2\u8272\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">ALTER TABLE hello OWNER TO demo_role;<\/li><\/ol><\/code><\/pre>\n<p>\u60a8\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u68c0\u67e5 <code>temporary_users<\/code> \u662f\u5426\u4e0d\u518d\u62e5\u6709\u4efb\u4f55\u8868\uff1a<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">\\d<\/li><\/ol><\/code><\/pre>\n<pre class=\"post-pre\"><code><div class=\"secondary-code-label\" title=\"\u8f93\u51fa\">\u8f93\u51fa<\/div>\u5173\u7cfb\u5217\u8868<br> \u6a21\u5f0f  |     \u540d\u79f0     |   \u7c7b\u578b   |   \u6240\u6709\u8005   <br>--------+--------------+----------+-----------<br> public | demo         | table    | postgres<br> public | demo_id_seq  | sequence | postgres<br> public | hello        | table    | demo_role<br> public | hello_id_seq | sequence | demo_role<br>(4 \u884c)<\/code><\/pre>\n<p>\u901a\u8fc7\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff0c\u60a8\u73b0\u5728\u53ef\u4ee5\u6210\u529f\u5220\u9664 <code>temporary_users<\/code> \u89d2\u8272\u3002<\/p>\n<pre class=\"post-pre\"><code><ol><li data-prefix=\"postgres=#\">DROP ROLE temporary_users;<\/li><\/ol><\/code><\/pre>\n<p>\u8fd9\u5c06\u5e9f\u9664 <code>temporary_users<\/code> \u7684\u89d2\u8272\u3002<code>temporary_users<\/code> \u7684\u524d\u6210\u5458\u4e0d\u4f1a\u88ab\u79fb\u9664\u3002<\/p>\n<h2>\u7ed3\u8bba<\/h2>\n<p>\u73b0\u5728\u4f60\u5df2\u7ecf\u638c\u63e1\u4e86\u7ba1\u7406 PostgreSQL \u6570\u636e\u5e93\u6743\u9650\u6240\u9700\u7684\u57fa\u672c\u6280\u80fd\u3002\u4e86\u89e3\u5982\u4f55\u7ba1\u7406\u6743\u9650\u975e\u5e38\u91cd\u8981\uff0c\u8fd9\u6837\u4f60\u7684\u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u8bbf\u95ee\u5b83\u4eec\u6240\u9700\u7684\u6570\u636e\u5e93\uff0c\u540c\u65f6\u4e0d\u4f1a\u5e72\u6270\u5176\u4ed6\u5e94\u7528\u7a0b\u5e8f\u4f7f\u7528\u7684\u6570\u636e\u3002<\/p>\n<p>\u5982\u679c\u4f60\u60f3\u4e86\u89e3\u66f4\u591a\u5173\u4e8e PostgreSQL \u53ca\u5176\u4f7f\u7528\u65b9\u6cd5\uff0c\u6211\u4eec\u9f13\u52b1\u4f60\u67e5\u770b\u4ee5\u4e0b\u6307\u5357\uff1a<\/p>\n<ul class=\"post-ul\">\n<li>SQLite vs MySQL vs PostgreSQL: \u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u6bd4\u8f83<\/li>\n<li>\u901a\u8fc7 SQL \u7ec3\u4e60\u8fd0\u884c\u67e5\u8be2<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u5f15\u8a00 PostgreSQL\uff0c\u7b80\u79f0Postgres\uff0c\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u3002\u4e0e\u5176\u5b83\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7c7b\u4f3c\uff0cP [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[491,594,596,595,597],"class_list":["post-131","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-postgresql","tag-vps","tag-596","tag-595","tag-597"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>VPS\u4e0aPostgreSQL\u6743\u9650\u7ba1\u7406\u7ec8\u6781\u6307\u5357\uff1a\u89d2\u8272\u3001\u7528\u6237\u4e0e\u6388\u6743\u5b9e\u6218 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" 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