{"id":186762,"date":"2024-11-11T08:37:32","date_gmt":"2024-11-11T00:37:32","guid":{"rendered":"https:\/\/server.hk\/cnblog\/186762\/"},"modified":"2024-11-11T08:37:33","modified_gmt":"2024-11-11T00:37:33","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%bb%ba%e8%a6%96%e5%9c%96%e5%8e%9f%e7%90%86%e8%a7%a3%e6%9e%90-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%bb%ba%e8%a6%96%e5%9c%96%e7%9a%84%e5%8e%9f%e7%90%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/186762\/","title":{"rendered":"\u6578\u64da\u5eab\u5efa\u8996\u5716\u539f\u7406\u89e3\u6790 (\u6578\u64da\u5eab\u5efa\u8996\u5716\u7684\u539f\u7406)"},"content":{"rendered":"<h1 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id=\"%e8%a6%96%e5%9c%96%e7%9a%84%e5%84%aa%e5%8b%a2-xLBckbIMRq\">\u8996\u5716\u7684\u512a\u52e2<\/h2>\n<p>\u4f7f\u7528\u8996\u5716\u6709\u591a\u7a2e\u512a\u52e2\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u5b89\u5168\u6027\uff1a<\/strong>\u8996\u5716\u53ef\u4ee5\u9650\u5236\u7528\u6236\u5c0d\u57fa\u790e\u8868\u683c\u7684\u8a2a\u554f\u6b0a\u9650\uff0c\u5f9e\u800c\u4fdd\u8b77\u654f\u611f\u6578\u64da\u3002<\/li>\n<li><strong>\u7c21\u5316\u67e5\u8a62\uff1a<\/strong>\u7528\u6236\u53ef\u4ee5\u901a\u904e\u8996\u5716\u4f86\u7c21\u5316\u8907\u96dc\u7684\u67e5\u8a62\uff0c\u7121\u9700\u6bcf\u6b21\u90fd\u7de8\u5beb\u7e41\u7463\u7684 SQL \u8a9e\u53e5\u3002<\/li>\n<li><strong>\u6578\u64da\u62bd\u8c61\uff1a<\/strong>\u8996\u5716\u63d0\u4f9b\u4e86\u4e00\u500b\u62bd\u8c61\u5c64\uff0c\u7528\u6236\u53ef\u4ee5\u5c08\u6ce8\u65bc\u6578\u64da\u7684\u696d\u52d9\u908f\u8f2f\uff0c\u800c\u4e0d\u5fc5\u95dc\u5fc3\u5e95\u5c64\u7684\u6578\u64da\u7d50\u69cb\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a6%96%e5%9c%96%e7%9a%84%e5%89%b5%e5%bb%ba%e8%88%87%e4%bd%bf%e7%94%a8-xLBckbIMRq\">\u8996\u5716\u7684\u5275\u5efa\u8207\u4f7f\u7528<\/h2>\n<p>\u5275\u5efa\u8996\u5716\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE VIEW view_name AS\nSELECT column1, column2, ...\nFROM table_name\nWHERE condition;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba <code>employees<\/code> \u7684\u8868\u683c\uff0c\u6211\u5011\u5e0c\u671b\u5275\u5efa\u4e00\u500b\u53ea\u986f\u793a\u54e1\u5de5\u59d3\u540d\u548c\u90e8\u9580\u7684\u8996\u5716\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u8a9e\u53e5\uff1a<\/p>\n<pre><code>CREATE VIEW employee_department AS\nSELECT name, department\nFROM employees;<\/code><\/pre>\n<p>\u4f7f\u7528\u8996\u5716\u9032\u884c\u67e5\u8a62\u7684\u8a9e\u6cd5\u8207\u67e5\u8a62\u8868\u683c\u76f8\u540c\uff1a<\/p>\n<pre><code>SELECT * FROM employee_department;<\/code><\/pre>\n<h2 id=\"%e8%a6%96%e5%9c%96%e7%9a%84%e9%99%90%e5%88%b6-xLBckbIMRq\">\u8996\u5716\u7684\u9650\u5236<\/h2>\n<p>\u5118\u7ba1\u8996\u5716\u6709\u8a31\u591a\u512a\u52e2\uff0c\u4f46\u4e5f\u5b58\u5728\u4e00\u4e9b\u9650\u5236\uff1a<\/p>\n<ul>\n<li>\u8996\u5716\u7684\u6027\u80fd\u53ef\u80fd\u4e0d\u5982\u76f4\u63a5\u67e5\u8a62\u57fa\u790e\u8868\u683c\uff0c\u7279\u5225\u662f\u5728\u8907\u96dc\u67e5\u8a62\u7684\u60c5\u6cc1\u4e0b\u3002<\/li>\n<li>\u67d0\u4e9b\u6578\u64da\u5eab\u7cfb\u7d71\u5c0d\u65bc\u53ef\u66f4\u65b0\u8996\u5716\u6709\u56b4\u683c\u7684\u9650\u5236\uff0c\u4e26\u975e\u6240\u6709\u8996\u5716\u90fd\u53ef\u4ee5\u9032\u884c\u6578\u64da\u4fee\u6539\u3002<\/li>\n<li>\u8996\u5716\u7684\u5b9a\u7fa9\u53ef\u80fd\u6703\u96a8\u8457\u57fa\u790e\u8868\u683c\u7684\u8b8a\u5316\u800c\u5931\u6548\uff0c\u9019\u9700\u8981\u5b9a\u671f\u7dad\u8b77\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-xLBckbIMRq\">\u7e3d\u7d50<\/h2>\n<p>\u8996\u5716\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u626e\u6f14\u8457\u91cd\u8981\u7684\u89d2\u8272\uff0c\u901a\u904e\u63d0\u4f9b\u6578\u64da\u7684\u62bd\u8c61\u5c64\u548c\u5b89\u5168\u6027\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u6709\u6548\u5730\u8a2a\u554f\u548c\u7ba1\u7406\u6578\u64da\u3002\u7121\u8ad6\u662f\u5728\u7c21\u5316\u67e5\u8a62\u9084\u662f\u4fdd\u8b77\u654f\u611f\u4fe1\u606f\u65b9\u9762\uff0c\u8996\u5716\u90fd\u5c55\u73fe\u4e86\u5176\u7368\u7279\u7684\u50f9\u503c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u60a8\u5c0d\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u6216\u5176\u4ed6 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u89e3\u6c7a\u65b9\u6848\u611f\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u89e3\u6790\u6578\u64da\u5eab\u5efa\u8996\u5716\u7684\u539f\u7406\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u7ba1\u7406\u548c\u67e5\u8a62\u6578\u64da\uff0c\u63d0\u5347\u6578\u64da\u5eab\u7684\u9748\u6d3b\u6027\u8207\u6548\u7387\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-186762","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186762","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=186762"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186762\/revisions"}],"predecessor-version":[{"id":186763,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186762\/revisions\/186763"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=186762"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=186762"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=186762"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}