{"id":41532,"date":"2023-01-08T03:47:01","date_gmt":"2023-01-26T04:14:01","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/postgresql%ef%bc%9a%e6%9e%b6%e6%9e%84%e7%9a%84%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/"},"modified":"2024-04-29T09:00:40","modified_gmt":"2024-04-29T01:00:40","slug":"postgresql%ef%bc%9a%e6%9e%b6%e6%9e%84%e7%9a%84%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/postgresql%ef%bc%9a%e6%9e%b6%e6%9e%84%e7%9a%84%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/","title":{"rendered":"PostgreSQL\uff1a\u67b6\u6784\u7684\u4f7f\u7528\u65b9\u6cd5"},"content":{"rendered":"<h2>\u524d\u63d0<\/h2>\n<p>\u5047\u8bbe\u7528\u6237\u662fscott\uff0c\u53ef\u4ee5\u767b\u5f55\u6570\u636e\u5e93city\u3002<\/p>\n<pre class=\"post-pre\"><code>$ psql -U scott city\r\npsql (15.2)\r\n\"help\"\u3067\u30d8\u30eb\u30d7\u3092\u8868\u793a\u3057\u307e\u3059\u3002\r\n\r\ncity=&gt;\r\n<\/code><\/pre>\n<p>\u521b\u5efa\u7528\u6237\u548c\u6570\u636e\u5e93\u7684\u65b9\u6cd5<\/p>\n<pre class=\"post-pre\"><code>su postgres\r\npsql &lt; create.sql\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"k\">create<\/span> <span class=\"k\">user<\/span> <span class=\"n\">scott<\/span> <span class=\"k\">with<\/span> <span class=\"n\">password<\/span> <span class=\"s1\">'tiger123'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">create<\/span> <span class=\"k\">database<\/span> <span class=\"n\">city<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">alter<\/span> <span class=\"k\">database<\/span> <span class=\"n\">city<\/span> <span class=\"k\">owner<\/span> <span class=\"k\">to<\/span> <span class=\"n\">scott<\/span><span class=\"p\">;<\/span>\r\n<\/code><\/pre>\n<p>\u5728\u672c\u5730\u8fde\u63a5\u65f6\uff0c\u8bbe\u5b9a\u4e3a\u65e0\u9700\u5bc6\u7801\u3002<\/p>\n<pre class=\"post-pre\"><code>\uff08\u7701\u7565\uff09\r\nlocal   all             all                                     trust\r\n\uff08\u7701\u7565\uff09\r\n<\/code><\/pre>\n<h2>\u521b\u5efa\u67b6\u6784\u548c\u8868<\/h2>\n<p>\u5728\u6570\u636e\u5e93\u4e2d\u521b\u5efa\u4ee5\u4e0b\u4e09\u4e2a\u6a21\u5f0f\uff08schemas\uff09\uff1acity\u3002<\/p>\n<blockquote><p>\u8328\u57ce\u53bf<br \/>\n\u6803\u6728\u53bf<br \/>\n\u7fa4\u9a6c\u53bf<\/p><\/blockquote>\n<p>\u9488\u5bf9\u6bcf\u4e2a\u57ce\u5e02\uff0c\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a&#8221;cities&#8221;\u7684\u6570\u636e\u8868\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">create<\/span> <span class=\"k\">schema<\/span> <span class=\"n\">ibaraki<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">create<\/span> <span class=\"k\">table<\/span> <span class=\"n\">ibaraki<\/span><span class=\"p\">.<\/span><span class=\"n\">cities<\/span> <span class=\"p\">(<\/span><span class=\"n\">id<\/span> <span class=\"nb\">varchar<\/span><span class=\"p\">(<\/span><span class=\"mi\">10<\/span><span class=\"p\">)<\/span> <span class=\"k\">primary<\/span> <span class=\"k\">key<\/span><span class=\"p\">,<\/span> <span class=\"n\">name<\/span> <span class=\"nb\">text<\/span><span class=\"p\">,<\/span> <span class=\"n\">population<\/span> <span class=\"nb\">int<\/span><span class=\"p\">,<\/span> <span class=\"n\">date_mod<\/span> <span class=\"nb\">date<\/span><span class=\"p\">);<\/span>\r\n<span class=\"k\">insert<\/span> <span class=\"k\">into<\/span> <span class=\"n\">ibaraki<\/span><span class=\"p\">.<\/span><span class=\"n\">cities<\/span> <span class=\"k\">values<\/span> <span class=\"p\">(<\/span><span class=\"s1\">'t0821'<\/span><span class=\"p\">,<\/span><span class=\"s1\">'\u6c34\u6238'<\/span><span class=\"p\">,<\/span><span class=\"mi\">72814<\/span><span class=\"p\">,<\/span><span class=\"s1\">'2011-6-14'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"k\">insert<\/span> <span class=\"k\">into<\/span> <span class=\"n\">ibaraki<\/span><span class=\"p\">.<\/span><span class=\"n\">cities<\/span> <span class=\"k\">values<\/span> <span class=\"p\">(<\/span><span class=\"s1\">'t0822'<\/span><span class=\"p\">,<\/span><span class=\"s1\">'\u571f\u6d66'<\/span><span class=\"p\">,<\/span><span class=\"mi\">72814<\/span><span class=\"p\">,<\/span><span class=\"s1\">'2011-7-21'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"c1\">-----<\/span>\r\n<span class=\"k\">create<\/span> <span class=\"k\">schema<\/span> <span class=\"n\">tochigi<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">create<\/span> <span class=\"k\">table<\/span> <span class=\"n\">tochigi<\/span><span class=\"p\">.<\/span><span class=\"n\">cities<\/span> <span class=\"p\">(<\/span><span class=\"n\">id<\/span> <span class=\"nb\">varchar<\/span><span class=\"p\">(<\/span><span class=\"mi\">10<\/span><span class=\"p\">)<\/span> <span class=\"k\">primary<\/span> <span class=\"k\">key<\/span><span class=\"p\">,<\/span> <span class=\"n\">name<\/span> <span class=\"nb\">text<\/span><span class=\"p\">,<\/span> <span class=\"n\">population<\/span> <span class=\"nb\">int<\/span><span class=\"p\">,<\/span> <span class=\"n\">date_mod<\/span> <span class=\"nb\">date<\/span><span class=\"p\">);<\/span>\r\n<span class=\"k\">insert<\/span> <span class=\"k\">into<\/span> <span class=\"n\">tochigi<\/span><span class=\"p\">.<\/span><span class=\"n\">cities<\/span> <span class=\"k\">values<\/span> <span class=\"p\">(<\/span><span class=\"s1\">'t0931'<\/span><span class=\"p\">,<\/span><span class=\"s1\">'\u5b87\u90fd\u5bae'<\/span><span class=\"p\">,<\/span><span class=\"mi\">72814<\/span><span class=\"p\">,<\/span><span class=\"s1\">'2012-4-10'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"k\">insert<\/span> <span class=\"k\">into<\/span> <span class=\"n\">tochigi<\/span><span class=\"p\">.<\/span><span class=\"n\">cities<\/span> <span class=\"k\">values<\/span> <span class=\"p\">(<\/span><span class=\"s1\">'t0932'<\/span><span class=\"p\">,<\/span><span class=\"s1\">'\u5c0f\u5c71'<\/span><span class=\"p\">,<\/span><span class=\"mi\">72814<\/span><span class=\"p\">,<\/span><span class=\"s1\">'2012-8-24'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"c1\">-----<\/span>\r\n<span class=\"k\">create<\/span> <span class=\"k\">schema<\/span> <span class=\"n\">gunma<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">create<\/span> <span class=\"k\">table<\/span> <span class=\"n\">gunma<\/span><span class=\"p\">.<\/span><span class=\"n\">cities<\/span> <span class=\"p\">(<\/span><span class=\"n\">id<\/span> <span class=\"nb\">varchar<\/span><span class=\"p\">(<\/span><span class=\"mi\">10<\/span><span class=\"p\">)<\/span> <span class=\"k\">primary<\/span> <span class=\"k\">key<\/span><span class=\"p\">,<\/span> <span class=\"n\">name<\/span> <span class=\"nb\">text<\/span><span class=\"p\">,<\/span> <span class=\"n\">population<\/span> <span class=\"nb\">int<\/span><span class=\"p\">,<\/span> <span class=\"n\">date_mod<\/span> <span class=\"nb\">date<\/span><span class=\"p\">);<\/span>\r\n<span class=\"k\">insert<\/span> <span class=\"k\">into<\/span> <span class=\"n\">gunma<\/span><span class=\"p\">.<\/span><span class=\"n\">cities<\/span> <span class=\"k\">values<\/span> <span class=\"p\">(<\/span><span class=\"s1\">'t1041'<\/span><span class=\"p\">,<\/span><span class=\"s1\">'\u524d\u6a4b'<\/span><span class=\"p\">,<\/span><span class=\"mi\">72814<\/span><span class=\"p\">,<\/span><span class=\"s1\">'2013-9-18'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"k\">insert<\/span> <span class=\"k\">into<\/span> <span class=\"n\">gunma<\/span><span class=\"p\">.<\/span><span class=\"n\">cities<\/span> <span class=\"k\">values<\/span> <span class=\"p\">(<\/span><span class=\"s1\">'t1042'<\/span><span class=\"p\">,<\/span><span class=\"s1\">'\u9ad8\u5d0e'<\/span><span class=\"p\">,<\/span><span class=\"mi\">72814<\/span><span class=\"p\">,<\/span><span class=\"s1\">'2013-7-21'<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<p>\u6267\u884c<\/p>\n<pre class=\"post-pre\"><code>psql <span class=\"nt\">-U<\/span> scott city &lt; create.sql\r\n<\/code><\/pre>\n<h2>\u786e\u8ba4\u7ed3\u679c<\/h2>\n<pre class=\"post-pre\"><code>$ psql -U scott city\r\npsql (15.2)\r\n\"help\"\u3067\u30d8\u30eb\u30d7\u3092\u8868\u793a\u3057\u307e\u3059\u3002\r\n\r\ncity=&gt; select * from ibaraki.cities;\r\n  id   | name | population |  date_mod  \r\n-------+------+------------+------------\r\n t0821 | \u6c34\u6238 |      72814 | 2011-06-14\r\n t0822 | \u571f\u6d66 |      72814 | 2011-07-21\r\n(2 \u884c)\r\n\r\ncity=&gt; select * from tochigi.cities;\r\n  id   |  name  | population |  date_mod  \r\n-------+--------+------------+------------\r\n t0931 | \u5b87\u90fd\u5bae |      72814 | 2012-04-10\r\n t0932 | \u5c0f\u5c71   |      72814 | 2012-08-24\r\n(2 \u884c)\r\n\r\ncity=&gt; select * from gunma.cities;\r\n  id   | name | population |  date_mod  \r\n-------+------+------------+------------\r\n t1041 | \u524d\u6a4b |      72814 | 2013-09-18\r\n t1042 | \u9ad8\u5d0e |      72814 | 2013-07-21\r\n(2 \u884c)\r\n\r\ncity=&gt; \r\n<\/code><\/pre>\n<p>\u5c55\u793a\u6a21\u5f0f<\/p>\n<pre class=\"post-pre\"><code>city=&gt; \\dn\r\n        \u30b9\u30ad\u30fc\u30de\u4e00\u89a7\r\n  \u540d\u524d   |      \u6240\u6709\u8005       \r\n---------+-------------------\r\n gunma   | scott\r\n ibaraki | scott\r\n public  | pg_database_owner\r\n tochigi | scott\r\n(4 \u884c)\r\n<\/code><\/pre>\n<p>\u663e\u793a\u684c\u5b50<\/p>\n<pre class=\"post-pre\"><code>city-&gt; \\dt *.cities\r\n           \u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u4e00\u89a7\r\n \u30b9\u30ad\u30fc\u30de |  \u540d\u524d  |  \u30bf\u30a4\u30d7  | \u6240\u6709\u8005 \r\n----------+--------+----------+--------\r\n gunma    | cities | \u30c6\u30fc\u30d6\u30eb | scott\r\n ibaraki  | cities | \u30c6\u30fc\u30d6\u30eb | scott\r\n public   | cities | \u30c6\u30fc\u30d6\u30eb | scott\r\n tochigi  | cities | \u30c6\u30fc\u30d6\u30eb | scott\r\n(4 \u884c)\r\n<\/code><\/pre>\n<p>\u6309\u7167\u6a21\u5f0f\u5206\u7c7b\u663e\u793a\u8868\u683c<\/p>\n<pre class=\"post-pre\"><code>city-&gt; \\dt ibaraki.*\r\n           \u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u4e00\u89a7\r\n \u30b9\u30ad\u30fc\u30de |  \u540d\u524d  |  \u30bf\u30a4\u30d7  | \u6240\u6709\u8005 \r\n----------+--------+----------+--------\r\n ibaraki  | cities | \u30c6\u30fc\u30d6\u30eb | scott\r\n(1 \u884c)\r\n\r\ncity-&gt; \\dt gunma.*\r\n           \u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u4e00\u89a7\r\n \u30b9\u30ad\u30fc\u30de |  \u540d\u524d  |  \u30bf\u30a4\u30d7  | \u6240\u6709\u8005 \r\n----------+--------+----------+--------\r\n gunma    | cities | \u30c6\u30fc\u30d6\u30eb | scott\r\n(1 \u884c)\r\n\r\ncity-&gt; \\dt ibaraki.*\r\n           \u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u4e00\u89a7\r\n \u30b9\u30ad\u30fc\u30de |  \u540d\u524d  |  \u30bf\u30a4\u30d7  | \u6240\u6709\u8005 \r\n----------+--------+----------+--------\r\n ibaraki  | cities | \u30c6\u30fc\u30d6\u30eb | scott\r\n(1 \u884c)\r\n\r\n<\/code><\/pre>\n<h2>\u5220\u9664\u6a21\u5f0f<\/h2>\n<pre class=\"post-pre\"><code><span class=\"k\">drop<\/span> <span class=\"k\">schema<\/span> <span class=\"n\">ibaraki<\/span> <span class=\"k\">cascade<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">drop<\/span> <span class=\"k\">schema<\/span> <span class=\"n\">tochigi<\/span> <span class=\"k\">cascade<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">drop<\/span> <span class=\"k\">schema<\/span> <span class=\"n\">gunma<\/span> <span class=\"k\">cascade<\/span><span class=\"p\">;<\/span>\r\n<\/code><\/pre>\n<p>\u6267\u884c<\/p>\n<pre class=\"post-pre\"><code>psql <span class=\"nt\">-U<\/span> scott city &lt; drop.sql\r\n<\/code><\/pre>\n<h2>\u5f53\u524d\u6a21\u5f0f\u7684\u663e\u793a<\/h2>\n<pre class=\"post-pre\"><code><span class=\"k\">select<\/span> <span class=\"n\">current_schema<\/span><span class=\"p\">();<\/span>\r\n<\/code><\/pre>\n<h2>\u4fee\u6539\u67b6\u6784<\/h2>\n<pre class=\"post-pre\"><code><span class=\"k\">set<\/span> <span class=\"n\">search_path<\/span> <span class=\"o\">=<\/span> <span class=\"n\">tochigi<\/span>\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u63d0 \u5047\u8bbe\u7528\u6237\u662fscott\uff0c\u53ef\u4ee5\u767b\u5f55\u6570\u636e\u5e93city\u3002 $ psql -U scott city psql (1 [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-41532","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"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>PostgreSQL\uff1a\u67b6\u6784\u7684\u4f7f\u7528\u65b9\u6cd5 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/postgresql\uff1a\u67b6\u6784\u7684\u4f7f\u7528\u65b9\u6cd5\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PostgreSQL\uff1a\u67b6\u6784\u7684\u4f7f\u7528\u65b9\u6cd5\" \/>\n<meta property=\"og:description\" content=\"\u524d\u63d0 \u5047\u8bbe\u7528\u6237\u662fscott\uff0c\u53ef\u4ee5\u767b\u5f55\u6570\u636e\u5e93city\u3002 $ psql -U scott city psql (1 [&hellip;]\" \/>\n<meta property=\"og:url\" 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