{"id":160795,"date":"2024-11-04T01:04:24","date_gmt":"2024-11-03T17:04:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160795\/"},"modified":"2024-11-04T01:04:24","modified_gmt":"2024-11-03T17:04:24","slug":"%e8%b3%87%e6%96%99%e5%ba%ab%e6%95%99%e7%a8%8b%ef%bc%9amysql-%e8%a6%96%e5%9c%96%e6%98%af%e4%bb%80%e9%ba%bc%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160795\/","title":{"rendered":"\u8cc7\u6599\u5eab\u6559\u7a0b\uff1aMySQL \u8996\u5716\u662f\u4ec0\u9ebc\uff1f"},"content":{"rendered":"<h1 id=\"%e8%b3%87%e6%96%99%e5%ba%ab%e6%95%99%e7%a8%8b%ef%bc%9amysql-%e8%a6%96%e5%9c%96%e6%98%af%e4%bb%80%e9%ba%bc%ef%bc%9f-nVgiMgfONy\">\u8cc7\u6599\u5eab\u6559\u7a0b\uff1aMySQL 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id=\"%e4%bb%80%e9%ba%bc%e6%98%afmysql%e8%a6%96%e5%9c%96%ef%bc%9f-nVgiMgfONy\">\u4ec0\u9ebc\u662fMySQL\u8996\u5716\uff1f<\/h2>\n<p>MySQL\u8996\u5716\u662f\u4e00\u500b\u865b\u64ec\u8868\u683c\uff0c\u901a\u904e\u67e5\u8a62\u8a9e\u53e5\u5f9e\u4e00\u500b\u6216\u591a\u500b\u57fa\u790e\u8868\u4e2d\u7372\u53d6\u6578\u64da\u3002\u8996\u5716\u7684\u7d50\u69cb\u8207\u8868\u683c\u76f8\u4f3c\uff0c\u53ef\u4ee5\u5305\u542b\u884c\u548c\u5217\uff0c\u4f46\u5b83\u4e0d\u6703\u5132\u5b58\u6578\u64da\u3002\u7576\u7528\u6236\u67e5\u8a62\u8996\u5716\u6642\uff0cMySQL\u6703\u57f7\u884c\u5b9a\u7fa9\u8a72\u8996\u5716\u7684\u67e5\u8a62\uff0c\u4e26\u8fd4\u56de\u7d50\u679c\u3002<\/p>\n<h2 id=\"%e8%a6%96%e5%9c%96%e7%9a%84%e7%94%a8%e9%80%94-nVgiMgfONy\">\u8996\u5716\u7684\u7528\u9014<\/h2>\n<ul>\n<li><strong>\u7c21\u5316\u67e5\u8a62\uff1a<\/strong>\u8996\u5716\u53ef\u4ee5\u5c07\u8907\u96dc\u7684\u67e5\u8a62\u5c01\u88dd\u8d77\u4f86\uff0c\u4f7f\u7528\u8005\u53ea\u9700\u67e5\u8a62\u8996\u5716\u800c\u4e0d\u5fc5\u91cd\u8907\u7de8\u5beb\u8907\u96dc\u7684SQL\u8a9e\u53e5\u3002<\/li>\n<li><strong>\u6578\u64da\u5b89\u5168\u6027\uff1a<\/strong>\u901a\u904e\u8996\u5716\uff0c\u53ef\u4ee5\u9650\u5236\u7528\u6236\u5c0d\u57fa\u790e\u8868\u7684\u8a2a\u554f\u6b0a\u9650\uff0c\u53ea\u986f\u793a\u5fc5\u8981\u7684\u6578\u64da\u3002<\/li>\n<li><strong>\u6578\u64da\u6574\u5408\uff1a<\/strong>\u8996\u5716\u53ef\u4ee5\u5f9e\u591a\u500b\u8868\u4e2d\u63d0\u53d6\u6578\u64da\uff0c\u63d0\u4f9b\u4e00\u500b\u7d71\u4e00\u7684\u6578\u64da\u8996\u5716\u3002<\/li>\n<li><strong>\u6578\u64da\u62bd\u8c61\uff1a<\/strong>\u8996\u5716\u53ef\u4ee5\u96b1\u85cf\u57fa\u790e\u8868\u7684\u7d50\u69cb\u8b8a\u5316\uff0c\u4f7f\u7528\u8005\u7121\u9700\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%84%aa%e7%bc%ba%e9%bb%9e-nVgiMgfONy\">\u8996\u5716\u7684\u512a\u7f3a\u9ede<\/h2>\n<h3 id=\"%e5%84%aa%e9%bb%9e-nVgiMgfONy\">\u512a\u9ede<\/h3>\n<ul>\n<li>\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\uff1a\u8996\u5716\u53ef\u4ee5\u9810\u5148\u5b9a\u7fa9\u67e5\u8a62\uff0c\u6e1b\u5c11\u91cd\u8907\u7684\u67e5\u8a62\u5de5\u4f5c\u3002<\/li>\n<li>\u589e\u5f37\u5b89\u5168\u6027\uff1a\u901a\u904e\u8996\u5716\uff0c\u53ef\u4ee5\u63a7\u5236\u7528\u6236\u5c0d\u654f\u611f\u6578\u64da\u7684\u8a2a\u554f\u3002<\/li>\n<li>\u7c21\u5316\u6578\u64da\u64cd\u4f5c\uff1a\u4f7f\u7528\u8996\u5716\u53ef\u4ee5\u4f7f\u5f97\u6578\u64da\u64cd\u4f5c\u66f4\u52a0\u76f4\u89c0\uff0c\u7279\u5225\u662f\u5c0d\u65bc\u8907\u96dc\u7684\u6578\u64da\u7d50\u69cb\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%bc%ba%e9%bb%9e-nVgiMgfONy\">\u7f3a\u9ede<\/h3>\n<ul>\n<li>\u6027\u80fd\u554f\u984c\uff1a\u5c0d\u65bc\u8907\u96dc\u7684\u8996\u5716\uff0c\u67e5\u8a62\u6027\u80fd\u53ef\u80fd\u6703\u53d7\u5230\u5f71\u97ff\uff0c\u56e0\u70ba\u6bcf\u6b21\u67e5\u8a62\u90fd\u9700\u8981\u91cd\u65b0\u8a08\u7b97\u3002<\/li>\n<li>\u66f4\u65b0\u9650\u5236\uff1a\u67d0\u4e9b\u8996\u5716\u53ef\u80fd\u7121\u6cd5\u9032\u884c\u66f4\u65b0\u64cd\u4f5c\uff0c\u7279\u5225\u662f\u7576\u8996\u5716\u57fa\u65bc\u591a\u500b\u8868\u6642\u3002<\/li>\n<li>\u7dad\u8b77\u6210\u672c\uff1a\u96a8\u8457\u6578\u64da\u5eab\u7d50\u69cb\u7684\u8b8a\u5316\uff0c\u8996\u5716\u7684\u7dad\u8b77\u53ef\u80fd\u6703\u8b8a\u5f97\u8907\u96dc\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%89%b5%e5%bb%ba%e5%92%8c%e4%bd%bf%e7%94%a8mysql%e8%a6%96%e5%9c%96-nVgiMgfONy\">\u5982\u4f55\u5275\u5efa\u548c\u4f7f\u7528MySQL\u8996\u5716<\/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\u201cemployees\u201d\u7684\u8868\u683c\uff0c\u6211\u5011\u60f3\u8981\u5275\u5efa\u4e00\u500b\u53ea\u986f\u793a\u54e1\u5de5\u59d3\u540d\u548c\u90e8\u9580\u7684\u8996\u5716\uff0c\u53ef\u4ee5\u9019\u6a23\u505a\uff1a<\/p>\n<pre><code>CREATE VIEW employee_view AS\nSELECT name, department\nFROM employees;<\/code><\/pre>\n<p>\u67e5\u8a62\u8996\u5716\u7684\u8a9e\u6cd5\u8207\u67e5\u8a62\u8868\u683c\u76f8\u540c\uff1a<\/p>\n<pre><code>SELECT * FROM employee_view;<\/code><\/pre>\n<p>\u5982\u679c\u9700\u8981\u66f4\u65b0\u8996\u5716\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>CREATE OR REPLACE VIEW view_name AS\nSELECT new_column1, new_column2, ...\nFROM new_table_name\nWHERE new_condition;<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-nVgiMgfONy\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u8996\u5716\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u7c21\u5316\u67e5\u8a62\u3001\u589e\u5f37\u6578\u64da\u5b89\u5168\u6027\u548c\u6574\u5408\u6578\u64da\u3002\u96d6\u7136\u8996\u5716\u6709\u5176\u512a\u7f3a\u9ede\uff0c\u4f46\u5728\u9069\u7576\u7684\u60c5\u6cc1\u4e0b\u4f7f\u7528\u8996\u5716\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u64cd\u4f5c\u6548\u7387\u3002\u5c0d\u65bc\u9700\u8981\u9748\u6d3b\u6578\u64da\u7ba1\u7406\u7684\u7528\u6236\u4f86\u8aaa\uff0c\u7406\u89e3\u548c\u638c\u63e1\u8996\u5716\u7684\u4f7f\u7528\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u7528\u6236\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u500b\u4eba\u9805\u76ee\u9084\u662f\u4f01\u696d\u61c9\u7528\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3MySQL\u8996\u5716\u7684\u6982\u5ff5\u3001\u7528\u9014\u53ca\u5176\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u4e2d\u7684\u91cd\u8981\u6027\uff0c\u63d0\u5347\u60a8\u7684\u8cc7\u6599\u5eab\u64cd\u4f5c\u6280\u80fd\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-160795","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160795","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=160795"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160795\/revisions"}],"predecessor-version":[{"id":160796,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160795\/revisions\/160796"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=160795"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=160795"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=160795"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}