{"id":47523,"date":"2022-12-08T19:41:26","date_gmt":"2023-02-23T17:25:52","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/graphql%e5%92%8csql\/"},"modified":"2024-04-29T04:22:11","modified_gmt":"2024-04-28T20:22:11","slug":"graphql%e5%92%8csql","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/graphql%e5%92%8csql\/","title":{"rendered":"GraphQL\u548cSQL"},"content":{"rendered":"<h1>GraphQL\u662f\u4e00\u79cd\u67e5\u8be2\u8bed\u8a00\u3002<\/h1>\n<p>GraphQL\u662f\u7531Meta\uff08Facebook\uff09\u5f00\u53d1\u7684\u4e00\u79cd\u67e5\u8be2\u8bed\u8a00\u3002<br \/>\nhttps:\/\/graphql.org\/<\/p>\n<h1>SQL\u662f\u4e00\u79cd\u6570\u636e\u5e93\u67e5\u8be2\u8bed\u8a00\u3002<\/h1>\n<p>SQL\u662f\u7528\u4e8e\u64cd\u4f5c\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff08RDBMS\uff09\u7684\u67e5\u8be2\u8bed\u8a00\u3002<\/p>\n<h1>\u4e24\u4e2a\u5173\u7cfb<\/h1>\n<p>\u5728\u4e2d\u56fd\uff0c\u6709\u4eba\u8bf4\u8fd9\u4e24\u8005\u5b8c\u5168\u662f\u4e0d\u540c\u7684\u4e1c\u897f\u3002\u56e0\u4e3aGraphQL\u548cSQL\u7684\u540d\u5b57\u5f88\u76f8\u4f3c\uff0c\u6240\u4ee5\u6709\u4e9b\u4eba\u8ba4\u4e3a\u5b83\u4eec\u662f\u4e00\u6837\u7684\uff0c\u4f46\u4e8b\u5b9e\u4e0a\u4f1a\u906d\u53d7\u75db\u82e6\u7684\u540e\u679c\u3002<\/p>\n<h1>\u56fe\u89e3<\/h1>\n<p>\u5047\u8bbe\u8981\u521b\u5efa\u4e00\u4e2a\u7b80\u6613\u7684Twitter\uff0c\u8ba9\u6211\u4eec\u6765\u601d\u8003\u83b7\u53d6\u63a8\u6587\u7684\u67e5\u8be2\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">scalar<\/span> <span class=\"n\">Date<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">tweet<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">Tweetid<\/span><span class=\"p\">:<\/span> <span class=\"nb\">ID<\/span><span class=\"p\">!<\/span>\r\n  <span class=\"n\">Text<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span><span class=\"p\">!<\/span>\r\n  <span class=\"n\">Imageurl<\/span><span class=\"p\">:<\/span><span class=\"nb\">String<\/span><span class=\"p\">!<\/span>\r\n  <span class=\"n\">User<\/span><span class=\"p\">:<\/span> <span class=\"n\">User<\/span><span class=\"p\">!<\/span>\r\n  <span class=\"n\">CreatedAt<\/span><span class=\"p\">:<\/span> <span class=\"n\">Date<\/span><span class=\"p\">!<\/span>\r\n  <span class=\"n\">UpdatedAt<\/span><span class=\"p\">:<\/span> <span class=\"n\">Date<\/span><span class=\"p\">!<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">User<\/span><span class=\"p\">{<\/span>\r\n  <span class=\"n\">Userid<\/span><span class=\"p\">:<\/span> <span class=\"nb\">ID<\/span><span class=\"p\">!<\/span>\r\n  <span class=\"n\">Name<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span><span class=\"p\">!<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">Query<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">Tweet<\/span><span class=\"p\">(<\/span><span class=\"n\">argument<\/span><span class=\"p\">:<\/span> <span class=\"n\">TweetId<\/span><span class=\"p\">!):<\/span> <span class=\"n\">Tweet<\/span><span class=\"p\">!<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5982\u679c\u5c06\u6b64\u76f4\u63a5\u8f6c\u5316\u4e3a\u8868\u683c\uff0c\u4f1a\u53d1\u751f\u4ec0\u4e48\u5462\uff1f<\/p>\n<h2>\u8fd9\u662f\u4e2a\u4e0d\u597d\u7684\u4f8b\u5b50<\/h2>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7f5c913a08637a6a646f\/11-0.png\" alt=\"mermaid-diagram-2022-10-12-161348.png\" \/><\/div>\n<h2>\u6539\u826f<\/h2>\n<p>\u5728\u8bbe\u8ba1\u6570\u636e\u5e93\u7684\u65f6\u5019\uff0c\u5c06&#8221;Tweet&#8221;\u548c&#8221;User&#8221;\u7684\u8868\u5206\u5f00\uff0c\u8ba9&#8221;Tweet&#8221;\u53ea\u5b58\u50a8&#8221;UserID&#8221;\u662f\u4e00\u4e2a\u5e38\u89c4\u505a\u6cd5\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7f5c913a08637a6a646f\/14-0.png\" alt=\"mermaid-diagram-2022-10-12-161647.png\" \/><\/div>\n<h1>GraphQL\u548cSQL\u7684\u8f6c\u6362<\/h1>\n<p>\u5982\u679c\u8bd5\u56fe\u5904\u7406\u4e4b\u524d\u63d0\u5230\u7684Tweet\u7684\u67e5\u8be2\uff0c\u4f1a\u53d1\u751f\u4ec0\u4e48\u60c5\u51b5\u5462\uff1f<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">query<\/span> <span class=\"n\">tweet<\/span><span class=\"p\">{<\/span>\r\n    <span class=\"n\">Tweet<\/span><span class=\"p\">(<\/span><span class=\"n\">argument<\/span><span class=\"p\">:<\/span><span class=\"s2\">\"12345\"<\/span><span class=\"p\">){<\/span>\r\n        <span class=\"n\">Text<\/span>\r\n        <span class=\"n\">User<\/span><span class=\"p\">{<\/span>\r\n            <span class=\"n\">Name<\/span>\r\n            <span class=\"n\">UserId<\/span>    \r\n        <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<\/code><\/pre>\n<p>\u5904\u7406\u4e0a\u8ff0\u7684\u67e5\u8be2\u65f6\uff0c\u5728SQL\u4e2d\u5e94\u8be5\u8fdb\u884c\u54ea\u4e9b\u64cd\u4f5c\uff1f<\/p>\n<pre class=\"post-pre\"><code>    <span class=\"k\">SELECT<\/span> <span class=\"o\">*<\/span> <span class=\"k\">FROM<\/span> <span class=\"n\">tweet<\/span> <span class=\"k\">inner<\/span> <span class=\"k\">join<\/span> <span class=\"k\">user<\/span> <span class=\"k\">on<\/span> <span class=\"n\">tweet<\/span><span class=\"p\">.<\/span><span class=\"n\">Userid<\/span> <span class=\"o\">=<\/span> <span class=\"k\">user<\/span><span class=\"p\">.<\/span><span class=\"n\">userid<\/span> <span class=\"k\">WHERE<\/span> <span class=\"n\">tweet<\/span><span class=\"p\">.<\/span><span class=\"n\">Tweetid<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">\"12345\"<\/span> \r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7f5c913a08637a6a646f\/20-0.png\" alt=\"mermaid-diagram-2022-10-12-161348.png\" \/><\/div>\n<h1>\u6700\u7ec8<\/h1>\n<p>\u6570\u636e\u5e93\u7684\u8bbe\u8ba1\u56e0\u4f7f\u7528\u573a\u666f\u800c\u5f02\u3002\u6211\u4eec\u4ecb\u7ecd\u7684\u65b9\u6cd5\u53ea\u662f\u5176\u4e2d\u4e00\u4e2a\u4f8b\u5b50\u3002\u5e0c\u671b\u80fd\u5bf9\u6b63\u786e\u7406\u89e3GraphQL\u548cSQL\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n<h1>\u8bf7\u53c2\u9605<\/h1>\n<p>\u6211\u7528\u7f8e\u4eba\u9c7c\u7b26\u53f7\u6cd5\u7f16\u5199\u4e86\u4e0a\u8ff0\u7684\u8868\u683c\u56fe\u3002<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>GraphQL\u662f\u4e00\u79cd\u67e5\u8be2\u8bed\u8a00\u3002 GraphQL\u662f\u7531Meta\uff08Facebook\uff09\u5f00\u53d1\u7684\u4e00\u79cd\u67e5\u8be2\u8bed\u8a00\u3002 https [&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-47523","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>GraphQL\u548cSQL - 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\/graphql\u548csql\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"GraphQL\u548cSQL\" \/>\n<meta property=\"og:description\" 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