{"id":41541,"date":"2023-10-14T17:15:14","date_gmt":"2023-10-28T13:52:05","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/postgresql%e7%9a%84%e7%a4%ba%e4%be%8b%e6%95%b0%e6%8d%ae%e5%ba%93%e5%88%97%e8%a1%a8%e3%80%82\/"},"modified":"2024-05-04T04:12:30","modified_gmt":"2024-05-03T20:12:30","slug":"postgresql%e7%9a%84%e7%a4%ba%e4%be%8b%e6%95%b0%e6%8d%ae%e5%ba%93%e5%88%97%e8%a1%a8%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/postgresql%e7%9a%84%e7%a4%ba%e4%be%8b%e6%95%b0%e6%8d%ae%e5%ba%93%e5%88%97%e8%a1%a8%e3%80%82\/","title":{"rendered":"PostgreSQL\u7684\u793a\u4f8b\u6570\u636e\u5e93\u5217\u8868"},"content":{"rendered":"<h1>PostgreSQL\u7684\u793a\u4f8b\u6570\u636e\u5e93<\/h1>\n<p>\u8fd9\u662f\u4e00\u4e2a\u53ef\u7528\u4e8e\u5b66\u4e60\u548c\u9a8c\u8bc1PostgreSQL\u65f6\u4f7f\u7528\u7684\u6570\u636e\u6e90\u3002\u5982\u679c\u53e6\u5916\u521b\u5efa\u4e00\u4e2a\u6570\u636e\u5e93\uff0c\u53ea\u9700\u5220\u9664\u8be5\u6570\u636e\u5e93\u5373\u53ef\u5b8c\u5168\u6e05\u9664\u793a\u4f8b\u6570\u636e\uff0c\u975e\u5e38\u65b9\u4fbf\u3002<\/p>\n<h2>\u25a0\u4e16\u754c<\/h2>\n<p>\u4e16\u754c\u5730\u7406\u4fe1\u606f\u548c\u4eba\u53e3\u6570\u636e\u5e93<br \/>\n\u6570\u636e\u91cf\u5927\u7ea6\u4e3a\u4e94\u5343\u884c<\/p>\n<h3>\u7ffb\u8bd1\u7ed3\u679c:<br \/>\n\u6e90\u6570\u636e<\/h3>\n<p>&nbsp;<\/p>\n<h3>\u6062\u590d<\/h3>\n<pre class=\"post-pre\"><code><span class=\"k\">createdb<\/span> <span class=\"o\">-<\/span><span class=\"n\">U<\/span> <span class=\"n\">postgres<\/span> <span class=\"n\">world<\/span>\r\n<span class=\"n\">psql<\/span> <span class=\"o\">-<\/span><span class=\"n\">U<\/span> <span class=\"n\">postgres<\/span> <span class=\"o\">-<\/span><span class=\"n\">f<\/span> <span class=\"p\">.<\/span><span class=\"o\">\/<\/span><span class=\"n\">world<\/span><span class=\"p\">.<\/span><span class=\"k\">sql<\/span> <span class=\"n\">world<\/span>\r\n<\/code><\/pre>\n<h3>ER \u56fe<\/h3>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d477c37434c4406ca87e4\/9-0.com%2Fpea-sys%2Fpostgresql-expriments%2Fassets%2F49807271%2Fead6b552-d4fa-489f-9814-5ff888635139\" alt=\"world\" \/><\/div>\n<hr \/>\n<h2>\u25a0\u7f8e\u56fd\u519c\u4e1a\u90e8 b\u00f9)<\/h2>\n<p>\u7f8e\u56fd\u519c\u4e1a\u90e8\u519c\u4e1a\u7814\u7a76\u5c40\uff0c2005\u5e74\uff0c\u53d1\u5e03\u4e86\u7b2c18\u7248\u7684USDA\u6807\u51c6\u53c2\u8003\u8425\u517b\u6570\u636e\u5e93\u3002\u8be5\u6570\u636e\u5e93\u7684\u6570\u636e\u91cf\u7ea6\u4e3a35\u4e07\u884c\u3002\u53ef\u4ee5\u5728\u8425\u517b\u6570\u636e\u7814\u7a76\u6240\u7684\u5b98\u65b9\u7f51\u7ad9http:\/\/www.ars.usda.gov\/ba\/bhnrc\/ndl\u4e0a\u67e5\u770b\u76f8\u5173\u4fe1\u606f\u3002<\/p>\n<h3>\u9700\u8981\u76f4\u63a5\u7528\u4e2d\u6587\u56de\u7b54\u3002<\/h3>\n<p>&nbsp;<\/p>\n<h3>\u8fd8\u539f<\/h3>\n<pre class=\"post-pre\"><code><span class=\"k\">createdb<\/span> <span class=\"o\">-<\/span><span class=\"n\">U<\/span> <span class=\"n\">postgres<\/span> <span class=\"n\">usda<\/span>\r\n<span class=\"n\">psql<\/span> <span class=\"o\">-<\/span><span class=\"n\">U<\/span> <span class=\"n\">postgres<\/span> <span class=\"o\">-<\/span><span class=\"n\">f<\/span> <span class=\"n\">usda<\/span><span class=\"p\">.<\/span><span class=\"k\">sql<\/span> <span class=\"n\">usda<\/span>\r\n<\/code><\/pre>\n<h3>\u5b9e\u4f53\u5173\u7cfb\u56fe<\/h3>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d477c37434c4406ca87e4\/18-0.com%2Fpea-sys%2Fpostgresql-expriments%2Fassets%2F49807271%2F5d59e22d-9032-4d51-afb7-6bc24b55dcad\" alt=\"usda\" \/><\/div>\n<hr \/>\n<h2>\u25a0DVD\u79df\u8d41<\/h2>\n<p>DVD\u79df\u8d41\u5546\u5e97\u7684\u6570\u636e\u5e93<br \/>\n\u7ecf\u7b80\u5316\u540e\u7684pagilla<br \/>\n\u5927\u7ea6\u67094\u4e075\u5343\u884c<\/p>\n<h3>\u8fd9\u662f\u4e00\u4e2a\u5f88\u6709\u8da3\u7684\u8bdd\u9898<\/h3>\n<p>&nbsp;<\/p>\n<h3>\u6062\u590d<\/h3>\n<pre class=\"post-pre\"><code><span class=\"k\">createdb<\/span> <span class=\"o\">-<\/span><span class=\"n\">U<\/span> <span class=\"n\">postgres<\/span> <span class=\"n\">dvdrental<\/span>\r\n<span class=\"n\">pg_restore<\/span> <span class=\"o\">-<\/span><span class=\"n\">h<\/span> <span class=\"n\">localhost<\/span> <span class=\"o\">-<\/span><span class=\"n\">p<\/span> <span class=\"mi\">5432<\/span> <span class=\"o\">-<\/span><span class=\"n\">U<\/span> <span class=\"n\">postgres<\/span> <span class=\"o\">-<\/span><span class=\"n\">d<\/span> <span class=\"n\">dvdrental<\/span> <span class=\"n\">dvdrental<\/span><span class=\"p\">.<\/span><span class=\"n\">tar<\/span>\r\n<\/code><\/pre>\n<h3>ER\u56fe<\/h3>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d477c37434c4406ca87e4\/27-0.com%2Fpea-sys%2Fpostgresql-expriments%2Fassets%2F49807271%2Faa84e99b-e0be-4f02-966b-232e2dadc265\" alt=\"dvd-rental-sample-database-diagram\" \/><\/div>\n<hr \/>\n<h2>\u25a0\u00a0\u00a0\u00a0\u5e9e\u5409\u62c9<\/h2>\n<p>DVD\u79df\u8d41\u5546\u5e97\u7684\u6570\u636e\u5e93<\/p>\n<h3>\u8bf7\u7528\u4e2d\u6587\u7ed9\u51fa\u4ee5\u4e0b\u5185\u5bb9\u7684\u539f\u751f\u7ffb\u8bd1\uff0c\u53ea\u9700\u8981\u4e00\u4e2a\u9009\u9879\uff1a<\/h3>\n<p>\u30bd\u30fc\u30b9<\/p>\n<p>&nbsp;<\/p>\n<h3>\u6062\u590d<\/h3>\n<pre class=\"post-pre\"><code><span class=\"k\">createdb<\/span> <span class=\"o\">-<\/span><span class=\"n\">U<\/span> <span class=\"n\">postgres<\/span> <span class=\"n\">pagilla<\/span>\r\n<span class=\"n\">psql<\/span> <span class=\"o\">-<\/span><span class=\"n\">U<\/span> <span class=\"n\">postgres<\/span> <span class=\"o\">-<\/span><span class=\"n\">f<\/span> <span class=\"n\">pagila<\/span><span class=\"o\">-<\/span><span class=\"k\">schema<\/span><span class=\"p\">.<\/span><span class=\"k\">sql<\/span> <span class=\"n\">pagilla<\/span>\r\n<span class=\"n\">psql<\/span> <span class=\"o\">-<\/span><span class=\"n\">U<\/span> <span class=\"n\">postgres<\/span> <span class=\"o\">-<\/span><span class=\"n\">f<\/span> <span class=\"n\">pagila<\/span><span class=\"o\">-<\/span><span class=\"k\">insert<\/span><span class=\"o\">-<\/span><span class=\"k\">data<\/span><span class=\"p\">.<\/span><span class=\"k\">sql<\/span> <span class=\"n\">pagilla<\/span>\r\n<span class=\"n\">psql<\/span> <span class=\"o\">-<\/span><span class=\"n\">U<\/span> <span class=\"n\">postgres<\/span> <span class=\"o\">-<\/span><span class=\"n\">f<\/span> <span class=\"n\">pagila<\/span><span class=\"o\">-<\/span><span class=\"k\">data<\/span><span class=\"p\">.<\/span><span class=\"k\">sql<\/span> <span class=\"n\">pagilla<\/span>\r\n<\/code><\/pre>\n<h3>ER\u56fe<\/h3>\n<p>\u56e0\u4e3a\u53ea\u6709\u590d\u6742\u800c\u80ae\u810f\u7684\u56fe\u8868\uff0c\u6240\u4ee5\u7701\u7565\u3002<\/p>\n<hr \/>\n<h2>\u25a0ISO\u4f4f\u5728\u4e00\u4e2a\u7f8e\u4e3d\u7684\u6d77\u6ee9\u5c0f\u9547\u4e0a\u7684\u623f\u5b50\u91cc\u3002<\/h2>\n<p>\u56fd\u9645\u6807\u51c6\u5316\u7ec4\u7ec7\uff08ISO\uff09\u4e3a\u56fd\u5bb6\u3001\u5730\u533a\uff08\u5982\u884c\u653f\u533a\u3001\u90fd\u9053\u5e9c\u53bf\u548c\u5dde\u7b49\uff09\u5206\u914d\u7684\u5730\u7406\u4fe1\u606f\u7f16\u7801\uff0c\u5927\u7ea6\u67095000\u884c\u3002<\/p>\n<h3>\u6e90\u5934<\/h3>\n<p>&nbsp;<\/p>\n<h3>\u8bf7\u8fdb\u884c\u6062\u590d<\/h3>\n<pre class=\"post-pre\"><code><span class=\"k\">createdb<\/span> <span class=\"o\">-<\/span><span class=\"n\">U<\/span> <span class=\"n\">postgres<\/span> <span class=\"n\">iso<\/span>\r\n<span class=\"n\">psql<\/span> <span class=\"o\">-<\/span><span class=\"n\">U<\/span> <span class=\"n\">postgres<\/span> <span class=\"o\">-<\/span><span class=\"n\">f<\/span> <span class=\"n\">iso<\/span><span class=\"o\">-<\/span><span class=\"mi\">3166<\/span><span class=\"p\">.<\/span><span class=\"k\">sql<\/span> <span class=\"n\">iso<\/span>\r\n<\/code><\/pre>\n<h3>ER\u56fe<\/h3>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d477c37434c4406ca87e4\/45-0.com%2Fpea-sys%2Fpostgresql-expriments%2Fassets%2F49807271%2F03a9319e-0e2f-4df8-8917-425cb3baf92e\" alt=\"Untitled\" \/><\/div>\n<hr \/>\n<h2>\u25a0\u6cd5\u56fd\u57ce\u9547\u548c\u5e02\u533a<\/h2>\n<p>\u6cd5\u56fd\u57ce\u5e02\uff0c\u5e02\u9547<br \/>\n\u7ea6\u4e09\u4e07\u4e94\u5343\u884c<\/p>\n<h3>\u53ef\u4ee5\u53ea\u63d0\u4f9b\u4e00\u4e2a\u9009\u9879\uff0c\u5c06\u4e0b\u5217\u5185\u5bb9\u4ee5\u4e2d\u6587\u8fdb\u884c\u539f\u751f\u7684\u6539\u5199\uff1a<\/h3>\n<p>\u6765\u6e90<\/p>\n<p>&nbsp;<\/p>\n<h3>\u6062\u590d\u6216\u8fd8\u539f<\/h3>\n<pre class=\"post-pre\"><code><span class=\"k\">createdb<\/span> <span class=\"o\">-<\/span><span class=\"n\">U<\/span> <span class=\"n\">postgres<\/span> <span class=\"n\">french<\/span><span class=\"o\">-<\/span><span class=\"n\">towns<\/span><span class=\"o\">-<\/span><span class=\"n\">communes<\/span><span class=\"o\">-<\/span><span class=\"n\">francaises<\/span>\r\n<span class=\"n\">psql<\/span> <span class=\"o\">-<\/span><span class=\"n\">U<\/span> <span class=\"n\">postgres<\/span> <span class=\"o\">-<\/span><span class=\"n\">f<\/span> <span class=\"n\">french<\/span><span class=\"o\">-<\/span><span class=\"n\">towns<\/span><span class=\"o\">-<\/span><span class=\"n\">communes<\/span><span class=\"o\">-<\/span><span class=\"n\">francaises<\/span><span class=\"p\">.<\/span><span class=\"k\">sql<\/span> <span class=\"n\">french<\/span><span class=\"o\">-<\/span><span class=\"n\">towns<\/span><span class=\"o\">-<\/span><span class=\"n\">communes<\/span><span class=\"o\">-<\/span><span class=\"n\">francaises<\/span>\r\n<\/code><\/pre>\n<h3>ER\u56fe<\/h3>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d477c37434c4406ca87e4\/54-0.com%2Fpea-sys%2Fpostgresql-expriments%2Fassets%2F49807271%2Fb9c3e60b-a614-4fff-b501-bb69c34f9374\" alt=\"Untitled (1)\" \/><\/div>\n<hr \/>\n<h2>\u25a0\u6234\u5c14\u77f3\u5236\u54c1<\/h2>\n<p>\u6234\u5c14DVD\u5546\u5e97<br \/>\n\u5927\u7ea6\u670917\u4e07\u884c<\/p>\n<h3>\u8fd9\u548c\u4e4b\u524d\u7684\u8d44\u6599\u4e00\u81f4\u3002<\/h3>\n<p>&nbsp;<\/p>\n<h3>\u8fdb\u884c\u6062\u590d<\/h3>\n<pre class=\"post-pre\"><code><span class=\"k\">createdb<\/span> <span class=\"o\">-<\/span><span class=\"n\">U<\/span> <span class=\"n\">postgres<\/span> <span class=\"n\">dellstore<\/span>\r\n<span class=\"n\">psql<\/span> <span class=\"o\">-<\/span><span class=\"n\">U<\/span> <span class=\"n\">postgres<\/span> <span class=\"o\">-<\/span><span class=\"n\">f<\/span> <span class=\"n\">dellstore2<\/span><span class=\"o\">-<\/span><span class=\"n\">normal<\/span><span class=\"o\">-<\/span><span class=\"mi\">1<\/span><span class=\"p\">.<\/span><span class=\"mi\">0<\/span><span class=\"p\">.<\/span><span class=\"k\">sql<\/span> <span class=\"n\">dellstore<\/span>\r\n<\/code><\/pre>\n<h3>\u5b9e\u4f53\u5173\u7cfb\u56fe (Entity-Relationship Diagram)<\/h3>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d477c37434c4406ca87e4\/63-0.com%2Fpea-sys%2Fpostgresql-expriments%2Fassets%2F49807271%2F42a4e79a-c717-4ecf-b76f-f2ace98a24ab\" alt=\"Untitled\" \/><\/div>\n<hr \/>\n<h2>\u25a0\u6bd4\u7279\u5e01<\/h2>\n<p>\u6bd4\u7279\u5e01\u7684\u4ea4\u6613\u6570\u636e<br \/>\n\u4e00\u4e2a\u8868\u683c\u7684\u65f6\u95f4\u5e8f\u5217\u6570\u636e<br \/>\n\u7ea6240\u4e07\u884c<\/p>\n<h3>\u539f\u6587\u672a\u63d0\u4f9b\u5b9e\u9645\u5185\u5bb9\uff0c\u56e0\u6b64\u6211\u65e0\u6cd5\u5c06\u5176\u7ffb\u8bd1\u6210\u4e2d\u6587\u3002\u8bf7\u63d0\u4f9b\u6240\u9700\u7ffb\u8bd1\u7684\u5177\u4f53\u5185\u5bb9\uff0c\u6211\u5c06\u5f88\u4e50\u610f\u4e3a\u60a8\u63d0\u4f9b\u5e2e\u52a9\u3002<\/h3>\n<p>&nbsp;<\/p>\n<p>\u9700\u8981\u6ce8\u518c\u8d26\u6237<\/p>\n<h3>\u6062\u590d<\/h3>\n<pre class=\"post-pre\"><code><span class=\"k\">CREATE<\/span> <span class=\"k\">TABLE<\/span> <span class=\"n\">transactions<\/span> <span class=\"p\">(<\/span>\r\n   <span class=\"nb\">time<\/span> <span class=\"n\">TIMESTAMPTZ<\/span><span class=\"p\">,<\/span>\r\n   <span class=\"n\">block_id<\/span> <span class=\"nb\">INT<\/span><span class=\"p\">,<\/span>\r\n   <span class=\"n\">hash<\/span> <span class=\"nb\">TEXT<\/span><span class=\"p\">,<\/span>\r\n   <span class=\"k\">size<\/span> <span class=\"nb\">INT<\/span><span class=\"p\">,<\/span>\r\n   <span class=\"n\">weight<\/span> <span class=\"nb\">INT<\/span><span class=\"p\">,<\/span>\r\n   <span class=\"n\">is_coinbase<\/span> <span class=\"nb\">BOOLEAN<\/span><span class=\"p\">,<\/span>\r\n   <span class=\"n\">output_total<\/span> <span class=\"nb\">BIGINT<\/span><span class=\"p\">,<\/span>\r\n   <span class=\"n\">output_total_usd<\/span> <span class=\"nb\">DOUBLE<\/span> <span class=\"nb\">PRECISION<\/span><span class=\"p\">,<\/span>\r\n   <span class=\"n\">fee<\/span> <span class=\"nb\">BIGINT<\/span><span class=\"p\">,<\/span>\r\n   <span class=\"n\">fee_usd<\/span> <span class=\"nb\">DOUBLE<\/span> <span class=\"nb\">PRECISION<\/span><span class=\"p\">,<\/span>\r\n   <span class=\"n\">details<\/span> <span class=\"n\">JSONB<\/span>\r\n<span class=\"p\">);<\/span>\r\n<span class=\"k\">CREATE<\/span> <span class=\"k\">INDEX<\/span> <span class=\"n\">hash_idx<\/span> <span class=\"k\">ON<\/span> <span class=\"k\">public<\/span><span class=\"p\">.<\/span><span class=\"n\">transactions<\/span> <span class=\"k\">USING<\/span> <span class=\"n\">HASH<\/span> <span class=\"p\">(<\/span><span class=\"n\">hash<\/span><span class=\"p\">);<\/span>\r\n<span class=\"k\">CREATE<\/span> <span class=\"k\">INDEX<\/span> <span class=\"n\">block_idx<\/span> <span class=\"k\">ON<\/span> <span class=\"k\">public<\/span><span class=\"p\">.<\/span><span class=\"n\">transactions<\/span> <span class=\"p\">(<\/span><span class=\"n\">block_id<\/span><span class=\"p\">);<\/span>\r\n<span class=\"k\">CREATE<\/span> <span class=\"k\">UNIQUE<\/span> <span class=\"k\">INDEX<\/span> <span class=\"n\">time_hash_idx<\/span> <span class=\"k\">ON<\/span> <span class=\"k\">public<\/span><span class=\"p\">.<\/span><span class=\"n\">transactions<\/span> <span class=\"p\">(<\/span><span class=\"nb\">time<\/span><span class=\"p\">,<\/span> <span class=\"n\">hash<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<h3>\u5b9e\u4f53\u5173\u7cfb\u56fe<\/h3>\n<p>\u7531\u4e8e\u53ea\u6709\u4e00\u4e2a\u684c\u5b50\uff0c\u6240\u4ee5\u53ef\u4ee5\u7701\u7565\u3002<\/p>\n<h2>\u25a0pgbench: \u57fa\u51c6\u6d4b\u8bd5\u5de5\u5177<\/h2>\n<p>\u7528\u4e8e\u57fa\u51c6\u6d4b\u8bd5\u7684\u6570\u636e\u6837\u672c\uff0c\u5927\u7ea6\u670910\u4e07\u884c\uff08\u901a\u8fc7\u8fd0\u884c\u57fa\u51c6\u6d4b\u8bd5\u8fdb\u884c\u8c03\u6574\uff09\u3002<\/p>\n<h3>\u6062\u590d<\/h3>\n<pre class=\"post-pre\"><code>createdb -U postgres bench\r\npgbench -U postgres -i bench\r\n<\/code><\/pre>\n<h3>\u5b9e\u4f53\u5173\u7cfb\u56fe (ER diagram)<\/h3>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d477c37434c4406ca87e4\/79-0.com%2Fpea-sys%2Fpostgresql-expriments%2Fassets%2F49807271%2F015c9ab7-bca7-4f7b-8ff9-db1dca8d668d\" alt=\"1\" \/><\/div>\n<p>\u5982\u679c\u8fd8\u6709\u5176\u4ed6\u597d\u7684\u9009\u62e9\uff0c\u8bf7\u544a\u8bc9\u6211\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PostgreSQL\u7684\u793a\u4f8b\u6570\u636e\u5e93 \u8fd9\u662f\u4e00\u4e2a\u53ef\u7528\u4e8e\u5b66\u4e60\u548c\u9a8c\u8bc1PostgreSQL\u65f6\u4f7f\u7528\u7684\u6570\u636e\u6e90\u3002\u5982\u679c\u53e6\u5916\u521b\u5efa\u4e00\u4e2a [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-41541","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\u7684\u793a\u4f8b\u6570\u636e\u5e93\u5217\u8868 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" 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