{"id":41793,"date":"2023-02-07T07:51:46","date_gmt":"2022-11-16T10:10:33","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%9c%89%e5%8a%a9%e4%ba%8e%e5%88%9d%e6%ac%a1%e6%8e%a5%e8%a7%a6postgresql%e7%9a%84%e7%bd%91%e7%ab%99%e9%9b%86%e5%90%88%e3%80%82\/"},"modified":"2024-04-29T13:29:27","modified_gmt":"2024-04-29T05:29:27","slug":"%e6%9c%89%e5%8a%a9%e4%ba%8e%e5%88%9d%e6%ac%a1%e6%8e%a5%e8%a7%a6postgresql%e7%9a%84%e7%bd%91%e7%ab%99%e9%9b%86%e5%90%88%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%9c%89%e5%8a%a9%e4%ba%8e%e5%88%9d%e6%ac%a1%e6%8e%a5%e8%a7%a6postgresql%e7%9a%84%e7%bd%91%e7%ab%99%e9%9b%86%e5%90%88%e3%80%82\/","title":{"rendered":"\u6709\u52a9\u4e8e\u521d\u6b21\u63a5\u89e6PostgreSQL\u7684\u7f51\u7ad9\u96c6\u5408"},"content":{"rendered":"<h1>\u5907\u4efd\u6570\u636e\u5e93<\/h1>\n<pre class=\"post-pre\"><code><span class=\"c\"># \u51fa\u529b\u5f62\u5f0f(-F)\u3092\u30ab\u30b9\u30bf\u30e0\u5f62\u5f0f\u30a2\u30fc\u30ab\u30a4\u30d6(c)\u3067\u30c0\u30f3\u30d7\u51fa\u529b\u3059\u308b<\/span>\r\n<span class=\"nv\">$ <\/span>pg_dump <span class=\"nt\">-Fc<\/span> <span class=\"nt\">-U<\/span> <span class=\"o\">{<\/span>\u63a5\u7d9a\u30e6\u30fc\u30b6\u540d<span class=\"o\">}<\/span> <span class=\"o\">{<\/span>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u540d<span class=\"o\">}<\/span> <span class=\"o\">&gt;<\/span> dumpname.dump\r\n<\/code><\/pre>\n<div>\n<div class=\"post-table\">\u30aa\u30d7\u30b7\u30e7\u30f3\u610f\u5473\u53c2\u8003\u30b5\u30a4\u30c8<code>--encoding={\u6587\u5b57\u30b3\u30fc\u30c9}<\/code><br \/>\n<code>-E {\u6587\u5b57\u30b3\u30fc\u30c9}<\/code>\u6307\u5b9a\u3057\u305f\u6587\u5b57\u30bb\u30c3\u30c8\u7b26\u53f7\u5316\u65b9\u5f0f\u3067\u30c0\u30f3\u30d7\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<a href=\"https:\/\/www.postgresql.jp\/document\/12\/html\/app-pgdump.html\" target=\"_blank\" rel=\"nofollow noopener\">pg_dump &#8211; PostgreSQL 12.4\u6587\u66f8<\/a>-F{\u30d5\u30a9\u30fc\u30de\u30c3\u30c8}<br \/>\n&#8211;format={\u30d5\u30a9\u30fc\u30de\u30c3\u30c8}\u51fa\u529b\u5f62\u5f0f\u3092\u9078\u629e<a href=\"https:\/\/www.postgresql.jp\/document\/13\/html\/app-pgdump.html\" target=\"_blank\" rel=\"nofollow noopener\">pg_dump &#8211; PostgreSQL 13.1\u6587\u66f8<\/a><code>--schema-only<\/code><br \/>\n<code>-s<\/code>\u30c7\u30fc\u30bf\u5b9a\u7fa9(\u30b9\u30ad\u30fc\u30de)\u306e\u307f\u3092\u30c0\u30f3\u30d7\u3057\u3001\u30c7\u30fc\u30bf\u306f\u30c0\u30f3\u30d7\u3057\u307e\u305b\u3093\u3002<a href=\"https:\/\/www.postgresql.jp\/document\/12\/html\/app-pgdump.html\" target=\"_blank\" rel=\"nofollow noopener\">pg_dump &#8211; PostgreSQL 12.4\u6587\u66f8<\/a><code>-t {\u30c6\u30fc\u30d6\u30eb}<\/code><br \/>\n<code>--table={\u30c6\u30fc\u30d6\u30eb}<\/code>\u4e00\u81f4\u3059\u308b\u30c6\u30fc\u30d6\u30eb\uff08\u307e\u305f\u306f\u30d3\u30e5\u30fc\u3001\u30b7\u30fc\u30b1\u30f3\u30b9\u3001\u5916\u90e8\u30c6\u30fc\u30d6\u30eb\uff09\u306e\u307f\u3092\u30c0\u30f3\u30d7\u3057\u307e\u3059\u3002<a href=\"https:\/\/www.postgresql.jp\/document\/12\/html\/app-pgdump.html\" target=\"_blank\" rel=\"nofollow noopener\">pg_dump &#8211; PostgreSQL 12.4\u6587\u66f8<\/a><\/div>\n<\/div>\n<ul class=\"post-ul\">\u30c0\u30f3\u30d7\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u4f5c\u308a\u76f4\u3059 &#8211; Qiita<\/ul>\n<h1>\u8cc7\u6599\u578b\u614b<\/h1>\n<div>\n<div class=\"post-table\">\u5206\u985e\u578b\u540d\u8aac\u660e<a href=\"https:\/\/www.postgresql.jp\/document\/11\/html\/datatype-character.html\" target=\"_blank\" rel=\"nofollow noopener\">\u6587\u5b57\u578b<\/a>character(n), char(n)\u7a7a\u767d\u3067\u30d1\u30c3\u30c9\u3055\u308c\u305f\u56fa\u5b9a\u9577\u6587\u5b57\u5217<a href=\"https:\/\/www.postgresql.jp\/document\/11\/html\/datatype-character.html\" target=\"_blank\" rel=\"nofollow noopener\">\u6587\u5b57\u578b<\/a>character varying(n),<br \/>\nvarchar(n)\u5236\u9650\u4ed8\u304d\u53ef\u5909\u9577\u6587\u5b57\u5217<a href=\"https:\/\/www.postgresql.jp\/document\/11\/html\/datatype-character.html\" target=\"_blank\" rel=\"nofollow noopener\">\u6587\u5b57\u578b<\/a>text\u5236\u9650\u7121\u3057\u53ef\u5909\u9577\u6587\u5b57\u5217<a href=\"https:\/\/www.postgresql.jp\/document\/12\/html\/datatype-datetime.html\" target=\"_blank\" rel=\"nofollow noopener\">\u65e5\u4ed8\/\u6642\u523b\u30c7\u30fc\u30bf\u578b<\/a>timestamp\u65e5\u4ed8\u3068\u6642\u523b\u4e21\u65b9<a href=\"https:\/\/www.postgresql.jp\/document\/12\/html\/datatype-datetime.html\" target=\"_blank\" rel=\"nofollow noopener\">\u65e5\u4ed8\/\u6642\u523b\u30c7\u30fc\u30bf\u578b<\/a>date\u65e5\u4ed8(\u6642\u523b\u306a\u3057)<a href=\"https:\/\/www.postgresql.jp\/document\/12\/html\/datatype-datetime.html\" target=\"_blank\" rel=\"nofollow noopener\">\u65e5\u4ed8\/\u6642\u523b\u30c7\u30fc\u30bf\u578b<\/a>time\u6642\u523b(\u65e5\u4ed8\u306a\u3057)<\/div>\n<\/div>\n<h1>\u7ed3\u6784\u5316\u67e5\u8be2\u8bed\u8a00<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u6570\u5024\u3092like\u691c\u7d22\u3059\u308b\u65b9\u6cd5 &#8211; Qiita<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">CASE\u6587 &#8211; DB\u3068\u4ef2\u826f\u304f\u3057\u305f\u3044\u3068\u304d\u306b\u5f79\u7acb\u3064\u30ea\u30f3\u30af\u96c6<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">SELECT<\/ul>\n<\/li>\n<\/ul>\n<p>postgreSQL\u306e\u5065\u5eb7\u72b6\u614b\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b &#8211; \u6280\u672f\u4e4b\u65c5<\/p>\n<p>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3084\u30c6\u30fc\u30d6\u30eb\u306e\u30b5\u30a4\u30ba\u3001\u63a5\u7d9a\u30e6\u30fc\u30b6\u30fc\u6570\u306e\u78ba\u8a8d\u65b9\u6cd5\u304c\u66f8\u304b\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>PostgeSQL\u306b\u304a\u3051\u308bIN\u53e5\u306e\uff12\u7a2e\u985e\u306e\u4f7f\u3044\u65b9\u3068NULL\u306e\u6ce8\u610f &#8211; Qiita<\/p>\n<p>UPDATE<\/p>\n<p>PostgreSQL 8.0.4 \u6587\u66f8 UPDATE<\/p>\n<h2>\u65e5\u671f\u548c\u6642\u9593<\/h2>\n<pre class=\"post-pre\"><code><span class=\"c1\">-- \u4eca\u65e5<\/span>\r\n<span class=\"k\">select<\/span> <span class=\"k\">current_date<\/span><span class=\"p\">;<\/span>\r\n<span class=\"c1\">-- \u660e\u65e5<\/span>\r\n<span class=\"k\">select<\/span> <span class=\"k\">current_date<\/span> <span class=\"o\">+<\/span> <span class=\"mi\">1<\/span><span class=\"p\">;<\/span>\r\n<span class=\"c1\">-- \u4eca<\/span>\r\n<span class=\"k\">select<\/span> <span class=\"k\">current_timestamp<\/span><span class=\"p\">;<\/span>\r\n<span class=\"c1\">-- 5\u5206\u524d<\/span>\r\n<span class=\"k\">select<\/span> <span class=\"k\">current_timestamp<\/span> <span class=\"o\">+<\/span> <span class=\"s1\">'-5minutes'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"c1\">-- timestamp\u578b\u3067\u300c2017\/04\/19 0:00:00\u300d<\/span>\r\n<span class=\"k\">select<\/span> <span class=\"n\">to_timestamp<\/span><span class=\"p\">(<\/span><span class=\"s1\">'20170419'<\/span><span class=\"p\">,<\/span><span class=\"s1\">'yyyyMMdd'<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">PostgreSQL \u65e5\u4ed8\u306e\u52a0\u7b97\u30fb\u6e1b\u7b97\u3092\u884c\u3046<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">9.8. \u30c7\u30fc\u30bf\u578b\u66f8\u5f0f\u8a2d\u5b9a\u95a2\u6570 &#8211; PostgreSQL 12.4\u6587\u66f8<\/ul>\n<h2>\u6388\u4e88<\/h2>\n<pre class=\"post-pre\"><code><span class=\"cm\">\/* \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u64cd\u4f5c\u3059\u308b\u306e\u6a29\u9650\u3092\u4ed8\u4e0e\u3059\u308b *\/<\/span>\r\n<span class=\"k\">GRANT<\/span> <span class=\"k\">ALL<\/span> <span class=\"k\">ON<\/span> <span class=\"k\">database<\/span> <span class=\"p\">{<\/span><span class=\"err\">\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u540d<\/span><span class=\"p\">}<\/span> <span class=\"k\">TO<\/span> <span class=\"p\">{<\/span><span class=\"err\">\u30ed\u30fc\u30eb\u540d<\/span><span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u63d2\u5165<\/h2>\n<pre class=\"post-pre\"><code><span class=\"k\">INSERT<\/span> <span class=\"k\">INTO<\/span> <span class=\"k\">table_name<\/span> <span class=\"p\">[<\/span> <span class=\"p\">(<\/span> <span class=\"k\">column_name<\/span> <span class=\"p\">[,<\/span> <span class=\"p\">...]<\/span> <span class=\"p\">)<\/span> <span class=\"p\">]<\/span>\r\n  <span class=\"p\">{<\/span> <span class=\"k\">DEFAULT<\/span> <span class=\"k\">VALUES<\/span> <span class=\"o\">|<\/span> <span class=\"k\">VALUES<\/span> <span class=\"p\">(<\/span> <span class=\"p\">{<\/span> <span class=\"n\">expression<\/span> <span class=\"o\">|<\/span> <span class=\"k\">DEFAULT<\/span> <span class=\"p\">}<\/span> <span class=\"p\">[,<\/span> <span class=\"p\">...]<\/span> <span class=\"p\">)<\/span> <span class=\"p\">[,<\/span> <span class=\"p\">...]<\/span> <span class=\"o\">|<\/span> <span class=\"n\">query<\/span> <span class=\"p\">}<\/span>\r\n  <span class=\"p\">[<\/span> <span class=\"n\">RETURNING<\/span> <span class=\"o\">*<\/span> <span class=\"o\">|<\/span> <span class=\"n\">output_expression<\/span> <span class=\"p\">[<\/span> <span class=\"p\">[<\/span> <span class=\"k\">AS<\/span> <span class=\"p\">]<\/span> <span class=\"n\">output_name<\/span> <span class=\"p\">]<\/span> <span class=\"p\">[,<\/span> <span class=\"p\">...]<\/span> <span class=\"p\">]<\/span>\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">PostgreSQL 9.4.5\u6587\u66f8 INSERT<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30ec\u30b3\u30fc\u30c9\u3092\u633f\u5165\u3059\u308b\u3010PostgreSQL\u3011 &#8211; Programming Magic<\/ul>\n<h1>\u5f53\u4f60\u60f3\u8981\u770b\u5404\u79cd\u5404\u6837\u7684\u4e1c\u897f\u65f6<\/h1>\n<pre class=\"post-pre\"><code><span class=\"cm\">\/* \u30ab\u30e9\u30e0\u306e\u578b\u3068\u304b\u3092\u898b\u305f\u3044 *\/<\/span>\r\n<span class=\"k\">select<\/span> <span class=\"o\">*<\/span> <span class=\"k\">from<\/span> <span class=\"n\">information_schema<\/span><span class=\"p\">.<\/span><span class=\"n\">columns<\/span> <span class=\"k\">where<\/span> <span class=\"k\">table_name<\/span> <span class=\"k\">like<\/span> <span class=\"s1\">'%\u898b\u305f\u3044\u30c6\u30fc\u30d6\u30eb\u540d\u306e\u4e00\u90e8%'<\/span> <span class=\"k\">and<\/span> <span class=\"k\">column_name<\/span> <span class=\"k\">like<\/span> <span class=\"s1\">'%\u307f\u305f\u3044\u30ab\u30e9\u30e0\u540d\u4e00\u90e8%'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"cm\">\/* \u4e3b\u30ad\u30fc\u3068\u304b\u5916\u90e8\u30ad\u30fc\u3068\u304b\u306e\u5236\u7d04\u304c\u304f\u3063\u3064\u3044\u3066\u3044\u308b\u30ab\u30e9\u30e0\u3092\u898b\u305f\u3044 *\/<\/span>\r\n<span class=\"k\">select<\/span> <span class=\"o\">*<\/span> <span class=\"k\">from<\/span> <span class=\"n\">information_schema<\/span><span class=\"p\">.<\/span><span class=\"n\">constraint_column_usage<\/span> <span class=\"k\">where<\/span> <span class=\"k\">table_name<\/span> <span class=\"k\">like<\/span> <span class=\"s1\">'%\u898b\u305f\u3044\u30c6\u30fc\u30d6\u30eb\u540d\u306e\u4e00\u90e8%'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"cm\">\/* \u30c6\u30fc\u30d6\u30eb\u306b\u304f\u3063\u3064\u3044\u3066\u3044\u308b\u5236\u7d04\u3092\u898b\u305f\u3044 *\/<\/span>\r\n<span class=\"k\">select<\/span> <span class=\"o\">*<\/span> <span class=\"k\">from<\/span> <span class=\"n\">information_schema<\/span><span class=\"p\">.<\/span><span class=\"n\">table_constraints<\/span> <span class=\"k\">where<\/span> <span class=\"k\">table_name<\/span> <span class=\"k\">like<\/span> <span class=\"s1\">'%\u898b\u305f\u3044\u30c6\u30fc\u30d6\u30eb\u540d\u306e\u4e00\u90e8%'<\/span> <span class=\"k\">and<\/span> <span class=\"n\">constraint_type<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'\u898b\u305f\u3044\u5236\u7d04(CHECK\u3001FOREIGN KEY\u3001PRIMARY KEY\u3001UNIQUE)'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"cm\">\/* \u30c6\u30fc\u30d6\u30eb\u4e00\u89a7\u3092\u898b\u305f\u3044 *\/<\/span>\r\n<span class=\"k\">select<\/span> <span class=\"o\">*<\/span> <span class=\"k\">from<\/span> <span class=\"n\">pg_stat_user_tables<\/span><span class=\"p\">;<\/span>\r\n<span class=\"cm\">\/* \u5168View\u306e\u60c5\u5831\u304c\u898b\u305f\u3044 *\/<\/span>\r\n<span class=\"k\">SELECT<\/span> <span class=\"o\">*<\/span> <span class=\"k\">FROM<\/span> <span class=\"n\">pg_views<\/span><span class=\"p\">;<\/span>\r\n<span class=\"cm\">\/* View\u306e\u5b9a\u7fa9\u3092\u898b\u305f\u3044 *\/<\/span>\r\n<span class=\"k\">SELECT<\/span> <span class=\"n\">definition<\/span> <span class=\"k\">FROM<\/span> <span class=\"n\">pg_views<\/span> <span class=\"k\">WHERE<\/span> <span class=\"n\">viewname<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'foobar'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"cm\">\/* \u5916\u90e8\u30c6\u30fc\u30d6\u30eb\u3092\u898b\u305f\u3044 *\/<\/span>\r\n<span class=\"k\">select<\/span> <span class=\"o\">*<\/span> <span class=\"k\">from<\/span> <span class=\"n\">pg_class<\/span> <span class=\"k\">where<\/span> <span class=\"n\">relkind<\/span><span class=\"o\">=<\/span><span class=\"s1\">'f'<\/span> <span class=\"k\">and<\/span> <span class=\"n\">relname<\/span> <span class=\"k\">like<\/span> <span class=\"s1\">'%\u30c6\u30fc\u30d6\u30eb\u540d%'<\/span><span class=\"p\">;<\/span>\r\n<\/code><\/pre>\n<div>\n<div class=\"post-table\">\u30c6\u30fc\u30d6\u30eb\u5185\u5bb9\u53c2\u8003\u30b5\u30a4\u30c8pg_class\u30c6\u30fc\u30d6\u30eb\u3068\u305d\u306e\u4ed6\u306b\u5217\u3092\u4fdd\u6709\u3057\u3066\u3044\u308b\u3082\u306e\u3001\u3042\u308b\u3044\u306f\u30c6\u30fc\u30d6\u30eb\u306b\u4f3c\u305f\u5168\u3066\u306e\u3082\u306e\u3092\u76ee\u9332\u306b\u3057\u3066\u3044\u307e\u3059\u3002<a href=\"https:\/\/www.postgresql.jp\/document\/12\/html\/catalog-pg-class.html\" target=\"_blank\" rel=\"nofollow noopener\">51.11. pg_class-PostgreSQL 12.4\u6587\u66f8<\/a><\/div>\n<\/div>\n<pre class=\"post-pre\"><code><span class=\"cm\">\/* \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u4e00\u89a7\u3092\u898b\u305f\u3044 *\/<\/span>\r\n<span class=\"k\">SELECT<\/span> <span class=\"o\">*<\/span> <span class=\"k\">FROM<\/span> <span class=\"n\">pg_database<\/span><span class=\"p\">;<\/span>\r\n<span class=\"cm\">\/* \u6700\u5927\u63a5\u7d9a\u6570\u3092\u898b\u305f\u3044 *\/<\/span>\r\n<span class=\"k\">SHOW<\/span> <span class=\"n\">max_connections<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"cm\">\/* \u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u898b\u305f\u3044 *\/<\/span>\r\n<span class=\"k\">select<\/span> <span class=\"k\">version<\/span><span class=\"p\">();<\/span>\r\n                                                    <span class=\"k\">version<\/span>\r\n<span class=\"c1\">----------------------------------------------------------------------------------------------------------------<\/span>\r\n <span class=\"n\">PostgreSQL<\/span> <span class=\"mi\">9<\/span><span class=\"p\">.<\/span><span class=\"mi\">3<\/span><span class=\"p\">.<\/span><span class=\"mi\">15<\/span> <span class=\"k\">on<\/span> <span class=\"n\">x86_64<\/span><span class=\"o\">-<\/span><span class=\"k\">unknown<\/span><span class=\"o\">-<\/span><span class=\"n\">linux<\/span><span class=\"o\">-<\/span><span class=\"n\">gnu<\/span><span class=\"p\">,<\/span> <span class=\"n\">compiled<\/span> <span class=\"k\">by<\/span> <span class=\"n\">gcc<\/span> <span class=\"p\">.......<\/span>\r\n<span class=\"p\">(<\/span><span class=\"mi\">1<\/span> <span class=\"k\">row<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"cm\">\/* \u30e6\u30fc\u30b6\u4e00\u89a7\u304c\u898b\u305f\u3044(\u30d1\u30b9\u30ef\u30fc\u30c9\u898b\u3048\u306a\u3044\u7248) *\/<\/span>\r\n<span class=\"k\">select<\/span> <span class=\"o\">*<\/span> <span class=\"k\">from<\/span> <span class=\"n\">pg_user<\/span><span class=\"p\">;<\/span>\r\n <span class=\"n\">usename<\/span>  <span class=\"o\">|<\/span> <span class=\"n\">usesysid<\/span> <span class=\"o\">|<\/span> <span class=\"n\">usecreatedb<\/span> <span class=\"o\">|<\/span> <span class=\"n\">usesuper<\/span> <span class=\"o\">|<\/span> <span class=\"n\">userepl<\/span> <span class=\"o\">|<\/span> <span class=\"n\">usebypassrls<\/span> <span class=\"o\">|<\/span>  <span class=\"n\">passwd<\/span>  <span class=\"o\">|<\/span> <span class=\"n\">valuntil<\/span> <span class=\"o\">|<\/span> <span class=\"n\">useconfig<\/span> \r\n<span class=\"c1\">----------+----------+-------------+----------+---------+--------------+----------+----------+-----------<\/span>\r\n <span class=\"n\">postgres<\/span> <span class=\"o\">|<\/span>       <span class=\"mi\">10<\/span> <span class=\"o\">|<\/span> <span class=\"n\">t<\/span>           <span class=\"o\">|<\/span> <span class=\"n\">t<\/span>        <span class=\"o\">|<\/span> <span class=\"n\">t<\/span>       <span class=\"o\">|<\/span> <span class=\"n\">t<\/span>            <span class=\"o\">|<\/span> <span class=\"o\">********<\/span> <span class=\"o\">|<\/span>          <span class=\"o\">|<\/span> \r\n <span class=\"n\">mana<\/span>     <span class=\"o\">|<\/span>    <span class=\"mi\">16384<\/span> <span class=\"o\">|<\/span> <span class=\"n\">t<\/span>           <span class=\"o\">|<\/span> <span class=\"n\">f<\/span>        <span class=\"o\">|<\/span> <span class=\"n\">f<\/span>       <span class=\"o\">|<\/span> <span class=\"n\">f<\/span>            <span class=\"o\">|<\/span> <span class=\"o\">********<\/span> <span class=\"o\">|<\/span>          <span class=\"o\">|<\/span> \r\n<span class=\"p\">(<\/span><span class=\"mi\">2<\/span> <span class=\"k\">rows<\/span><span class=\"p\">)<\/span>\r\n<span class=\"cm\">\/* \u30e6\u30fc\u30b6\u4e00\u89a7\u304c\u898b\u305f\u3044(\u30d1\u30b9\u30ef\u30fc\u30c9\u898b\u3048\u308b\u7248) *\/<\/span>\r\n<span class=\"k\">select<\/span> <span class=\"o\">*<\/span> <span class=\"k\">from<\/span> <span class=\"n\">pg_shadow<\/span><span class=\"p\">;<\/span>\r\n <span class=\"n\">usename<\/span>  <span class=\"o\">|<\/span> <span class=\"n\">usesysid<\/span> <span class=\"o\">|<\/span> <span class=\"n\">usecreatedb<\/span> <span class=\"o\">|<\/span> <span class=\"n\">usesuper<\/span> <span class=\"o\">|<\/span> <span class=\"n\">userepl<\/span> <span class=\"o\">|<\/span> <span class=\"n\">usebypassrls<\/span> <span class=\"o\">|<\/span>               <span class=\"n\">passwd<\/span>                <span class=\"o\">|<\/span> <span class=\"n\">valuntil<\/span> <span class=\"o\">|<\/span> <span class=\"n\">useconfig<\/span> \r\n<span class=\"c1\">----------+----------+-------------+----------+---------+--------------+-------------------------------------+----------+-----------<\/span>\r\n <span class=\"n\">postgres<\/span> <span class=\"o\">|<\/span>       <span class=\"mi\">10<\/span> <span class=\"o\">|<\/span> <span class=\"n\">t<\/span>           <span class=\"o\">|<\/span> <span class=\"n\">t<\/span>        <span class=\"o\">|<\/span> <span class=\"n\">t<\/span>       <span class=\"o\">|<\/span> <span class=\"n\">t<\/span>            <span class=\"o\">|<\/span>                                     <span class=\"o\">|<\/span>          <span class=\"o\">|<\/span> \r\n <span class=\"n\">mana<\/span>     <span class=\"o\">|<\/span>    <span class=\"mi\">16384<\/span> <span class=\"o\">|<\/span> <span class=\"n\">t<\/span>           <span class=\"o\">|<\/span> <span class=\"n\">f<\/span>        <span class=\"o\">|<\/span> <span class=\"n\">f<\/span>       <span class=\"o\">|<\/span> <span class=\"n\">f<\/span>            <span class=\"o\">|<\/span> <span class=\"n\">md5a6747d5690695f2d69c556af98aca23b<\/span> <span class=\"o\">|<\/span>          <span class=\"o\">|<\/span> \r\n<span class=\"p\">(<\/span><span class=\"mi\">2<\/span> <span class=\"k\">rows<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"cm\">\/* \u4eca\u4f7f\u3063\u3066\u3044\u308b\u30e6\u30fc\u30b6\u540d\u3092\u898b\u305f\u3044 *\/<\/span>\r\n<span class=\"k\">select<\/span> <span class=\"k\">current_user<\/span><span class=\"p\">;<\/span>\r\n <span class=\"k\">current_user<\/span> \r\n<span class=\"c1\">--------------<\/span>\r\n <span class=\"n\">mana<\/span>\r\n<span class=\"p\">(<\/span><span class=\"mi\">1<\/span> <span class=\"k\">row<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<h1>\u8bf7\u5c06\u5e38\u7528\u547d\u4ee4\u8bb0\u4e0b\u6765\u3002<\/h1>\n<pre class=\"post-pre\"><code><span class=\"c\"># \u30ed\u30b0\u30a4\u30f3<\/span>\r\n<span class=\"nv\">$ <\/span>psql <span class=\"nt\">-h<\/span> <span class=\"nb\">hostname<\/span> <span class=\"nt\">-U<\/span> username <span class=\"nt\">-d<\/span> databasename\r\n<span class=\"nv\">$ <\/span>psql <span class=\"nt\">-U<\/span> username <span class=\"nt\">-d<\/span> databasename\r\n\r\n<span class=\"c\"># \u30ed\u30b0\u30a2\u30a6\u30c8<\/span>\r\n<span class=\"nv\">$ <\/span><span class=\"se\">\\q<\/span>\r\n\r\n<span class=\"c\"># \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u5207\u308a\u66ff\u3048<\/span>\r\n<span class=\"nv\">$ <\/span><span class=\"se\">\\c<\/span> databasename\r\n\r\n<span class=\"c\"># \u6a29\u9650\u60c5\u5831<\/span>\r\n<span class=\"nv\">$ <\/span><span class=\"se\">\\z<\/span>\r\n                            Access privileges\r\n Schema | Name | Type | Access privileges | Column privileges | Policies \r\n<span class=\"nt\">--------<\/span>+------+------+-------------------+-------------------+----------\r\n<span class=\"o\">(<\/span>0 rows<span class=\"o\">)<\/span>\r\n\r\n<span class=\"c\"># \u30e6\u30fc\u30b6\u4e00\u89a7<\/span>\r\n<span class=\"nv\">$ <\/span><span class=\"se\">\\d<\/span>u\r\n                                   List of roles\r\n Role name |                         Attributes                         | Member of \r\n<span class=\"nt\">-----------<\/span>+------------------------------------------------------------+-----------\r\n mana      | Create DB                                                  | <span class=\"o\">{}<\/span>\r\n postgres  | Superuser, Create role, Create DB, Replication, Bypass RLS | <span class=\"o\">{}<\/span>\r\n<\/code><\/pre>\n<div>\n<div class=\"post-table\">\u30e1\u30bf\u30b3\u30de\u30f3\u30c9<br \/>\n(DB\u5185\u3067\u4f7f\u3046\u3084\u3064)\u610f\u5473\u53c2\u8003\u30ea\u30f3\u30af\\i {sql\u30d5\u30a1\u30a4\u30eb}\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u5165\u529b\u3092\u8aad\u307f\u53d6\u308a\u3001\u30ad\u30fc\u30dc\u30fc\u30c9\u304b\u3089\u5165\u529b\u3055\u308c\u305f\u5834\u5408\u3068\u540c\u3058\u3088\u3046\u306b\u5b9f\u884c<a href=\"https:\/\/www.postgresql.jp\/document\/13\/html\/app-psql.html\" target=\"_blank\" rel=\"nofollow noopener\">psql &#8211; PostgreSQL 13.1\u6587\u66f8<\/a><\/div>\n<\/div>\n<pre class=\"post-pre\"><code><span class=\"cm\">\/* null\u691c\u7d22\u203bNULL\u3068NULL\u3068\u306f\"\u7b49\u3057\u3044\"\u95a2\u4fc2\u306b\u306f\u3042\u308a\u307e\u305b\u3093\u306e\u3067\u3001expression = NULL\u3068\u8a18\u8ff0\u3057\u3066\u306f\u3044\u3051\u307e\u305b\u3093\u3002 *\/<\/span>\r\n<span class=\"n\">expression<\/span> <span class=\"k\">IS<\/span> <span class=\"k\">NULL<\/span>\r\n<span class=\"n\">expression<\/span> <span class=\"k\">ISNULL<\/span>\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">PostgreSQL\u304b\u3089\u306e\u5207\u65ad &#8211; PostgreSQL\u3078\u306e\u63a5\u7d9a\u3068\u5207\u65ad &#8211; PostgreSQL\u306e\u4f7f\u3044\u65b9<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">PostgreSQL\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u8abf\u3079\u308b\u306b\u306f<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">hacknote PostgreSQL\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u78ba\u8a8d\u65b9\u6cd5<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">9.2. \u6bd4\u8f03\u95a2\u6570\u304a\u3088\u3073\u6f14\u7b97\u5b50<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">information_schema<\/ul>\n<\/li>\n<\/ul>\n<p>PostgreSQL: \u30c6\u30fc\u30d6\u30eb\u306e\u4e3b\u30ad\u30fc\u3092\u5217\u9806\u306b\u53d6\u5f97\u3059\u308b &#8211; log.nissuk.info<br \/>\n35.50. table_constraints<br \/>\n35.17. constraint_column_usage<br \/>\n35.16. columns<\/p>\n<p>PostgreSQL\u306e\u30b7\u30b9\u30c6\u30e0\u30c6\u30fc\u30d6\u30eb\u5165\u9580\u3000\uff08\u6697\u8a18\u7528\u306eSQL\u96c6\uff09 &#8211; \u4e3b\u306b\u8a00\u8a9e\u3068\u30b7\u30b9\u30c6\u30e0\u958b\u767a\u306b\u95a2\u3057\u3066<br \/>\nPostgreSQL \u5916\u90e8\u30ad\u30fc\u4e00\u89a7\u306e\u53d6\u5f97 &#8211; Qiita<br \/>\nPostgresql(psql)\u3067View\u30d3\u30e5\u30fc\u306e\u5b9a\u7fa9\u3092\u8abf\u3079\u308b\u65b9\u6cd5 \u00b7 DQNEO\u8d77\u696d\u65e5\u8a18<br \/>\nSHOW<\/p>\n<p>PostgreSQL: Documentation: 9.6: SHOW<br \/>\nconfiguration &#8211; Query a parameter (postgresql.conf setting) like &#8220;max_connections&#8221; &#8211; Stack Overflow<\/p>\n<h1>\u6211\u60f3\u67e5\u770b\u8868\u683c\u548c\u5217\u7684\u6ce8\u91ca\u3002<\/h1>\n<ul class=\"post-ul\">PostgreSQL\u306b\u3066\u30c6\u30fc\u30d6\u30eb\u3084\u30ab\u30e9\u30e0\u306e\u5404\u7a2e\u60c5\u5831\u3092\u53d6\u5f97\u3059\u308bSQL (\u30c6\u30fc\u30d6\u30eb\u4e00\u89a7, \u30ab\u30e9\u30e0\u4e00\u89a7, \u30d7\u30e9\u30a4\u30de\u30ea\u30fc\u30ad\u30fc\u60c5\u5831\u53d6\u5f97, \u30c6\u30fc\u30d6\u30eb\u306e\u30b3\u30e1\u30f3\u30c8\u3092\u53d6\u5f97, \u30ab\u30e9\u30e0\u306e\u30b3\u30e1\u30f3\u30c8\u3092\u53d6\u5f97) &#8211; \u3044\u308d\u3044\u308d\u5099\u5fd8\u9332\u65e5\u8a18<\/ul>\n<h1>\u60f3\u8981\u6539\u5199Oracle\u7684SQL<\/h1>\n<ul class=\"post-ul\">Oracle\u306eSQL\u3092PostgeSQL\u306eSQL\u306b\u3057\u3066\u307f\u308b\u6642\u306b\u5f79\u7acb\u3066\u305f\u3044\u30ea\u30f3\u30af\u96c6 &#8211; Qiita<\/ul>\n<h1>\u5b89\u88c5<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Mac\u306bHomebrew\u3067PostgreSQL\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u4f5c\u308b &#8211; ponsuke_tarou\u2019s blog<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">PostgreSQL\u306epsql\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b &#8211; ponsuke_tarou\u2019s blog<\/ul>\n<h1>\u7aef\u53e3\u8bbe\u7f6e<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30c7\u30d5\u30a9\u30eb\u30c8\u306f5432\u3067\u3059\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Hatena::Diary (=\u309c\u03c9\u309c)\u30ce\u3043\u3087\u3045\u3000\u306b\u3063\u304d PostgreSQL\u306e\u30dd\u30fc\u30c8\u756a\u53f7\u3092\u5909\u66f4\u3059\u308b<\/ul>\n<h1>\u542f\u52a8\u3001\u505c\u6b62\u3001\u91cd\u65b0\u542f\u52a8<\/h1>\n<ul class=\"post-ul\">PostgreSQL \u306e\u8d77\u52d5\u3068\u505c\u6b62<\/ul>\n<h1>\u9810\u8a02\u8a00\u8a9e<\/h1>\n<ul class=\"post-ul\">SQL\u30ad\u30fc\u30ef\u30fc\u30c9<\/ul>\n<h1>\u5ba2\u6237\u7aef\u5de5\u5177<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Psequel<\/ul>\n<\/li>\n<\/ul>\n<p>macOS High Sierra\u306bHomebrew Cask\u3067PostgreSQL\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306ePSequel\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b &#8211; Qiita<\/p>\n<p>pgAdminIII<\/p>\n<p>PostgreSQL 9.2\u306b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u63a5\u7d9a\u3059\u308b pgAdmin\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u8a2d\u5b9a | \uff29\uff34\u95a2\u9023\u306e\u6280\u8853\u60c5\u5831\u30b5\u30a4\u30c8<br \/>\npgAdminIII\u3067\u697d\u3005PostgreSQL [\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9] All About<\/p>\n<h1>\u4e3a\u96be<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">org.postgresql.util.PSQLException:<\/ul>\n<\/li>\n<\/ul>\n<p>ERROR: permission denied for relation<\/p>\n<p>\u30a2\u30af\u30bb\u30b9\u6a29\u9650\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<br \/>\n\u6a29\u9650\u306e\u8ffd\u52a0 &#8211; \u30ed\u30fc\u30eb(\u30e6\u30fc\u30b6\u30fc)\u306e\u4f5c\u6210 &#8211; PostgreSQL\u306e\u4f7f\u3044\u65b9<\/p>\n<p>ERROR: relation &#8220;\u30c6\u30fc\u30d6\u30eb\u540d&#8221; does not exist<\/p>\n<p>\u30c6\u30fc\u30d6\u30eb\u306e\u5b58\u5728\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>ERROR: current transaction is aborted, commands ignored until end of transaction block<\/p>\n<p>\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3057\u307e\u3057\u3087\u3046\u3002<br \/>\nHatena iakio\u306e\u65e5\u8a18 \u30a8\u30e9\u30fc\u306e\u5f8c\u306b\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3057\u306a\u3051\u308c\u3070\u3044\u3051\u306a\u3044\u7406\u7531<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5907\u4efd\u6570\u636e\u5e93 # \u51fa\u529b\u5f62\u5f0f(-F)\u3092\u30ab\u30b9\u30bf\u30e0\u5f62\u5f0f\u30a2\u30fc\u30ab\u30a4\u30d6(c)\u3067\u30c0\u30f3\u30d7\u51fa\u529b\u3059\u308b $ pg_dump -Fc &#8211; [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-41793","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>\u6709\u52a9\u4e8e\u521d\u6b21\u63a5\u89e6PostgreSQL\u7684\u7f51\u7ad9\u96c6\u5408 - 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\" 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