{"id":160109,"date":"2024-11-03T20:21:20","date_gmt":"2024-11-03T12:21:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160109\/"},"modified":"2024-11-03T20:21:21","modified_gmt":"2024-11-03T12:21:21","slug":"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-create-view","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160109\/","title":{"rendered":"OceanBase \u6559\u7a0b\uff1aOceanBase CREATE VIEW"},"content":{"rendered":"<h1 id=\"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-create-view-hFmGwciwxs\">OceanBase \u6559\u7a0b\uff1aOceanBase CREATE VIEW<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0cOceanBase \u4f5c\u70ba\u4e00\u500b\u9ad8\u6027\u80fd\u7684\u5206\u4f48\u5f0f\u6578\u64da\u5eab\uff0c\u8d8a\u4f86\u8d8a\u53d7\u5230\u958b\u767c\u8005\u548c\u4f01\u696d\u7684\u9752\u775e\u3002\u5b83\u4e0d\u50c5\u652f\u6301\u9ad8\u4e26\u767c\u7684\u8b80\u5beb\u64cd\u4f5c\uff0c\u9084\u5177\u5099\u826f\u597d\u7684\u64f4\u5c55\u6027\u548c\u5bb9\u932f\u80fd\u529b\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e OceanBase \u4e2d\u7684 CREATE VIEW \u8a9e\u53e5\uff0c\u5e6b\u52a9\u8b80\u8005\u7406\u89e3\u5982\u4f55\u5728 OceanBase \u4e2d\u5275\u5efa\u548c\u4f7f\u7528\u8996\u5716\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e8%a6%96%e5%9c%96%ef%bc%9f-hFmGwciwxs\">\u4ec0\u9ebc\u662f\u8996\u5716\uff1f<\/h2>\n<p>\u8996\u5716\u662f\u4e00\u7a2e\u865b\u64ec\u8868\uff0c\u5b83\u662f\u57fa\u65bc SQL \u67e5\u8a62\u7684\u7d50\u679c\u96c6\u3002\u8996\u5716\u672c\u8eab\u4e0d\u5b58\u5132\u6578\u64da\uff0c\u800c\u662f\u5f9e\u4e00\u500b\u6216\u591a\u500b\u57fa\u790e\u8868\u4e2d\u52d5\u614b\u751f\u6210\u6578\u64da\u3002\u4f7f\u7528\u8996\u5716\u7684\u597d\u8655\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u7c21\u5316\u8907\u96dc\u67e5\u8a62\uff1a\u901a\u904e\u5c07\u8907\u96dc\u7684 SQL \u67e5\u8a62\u5c01\u88dd\u5728\u8996\u5716\u4e2d\uff0c\u4f7f\u7528\u8005\u53ef\u4ee5\u66f4\u8f15\u9b06\u5730\u8a2a\u554f\u6578\u64da\u3002<\/li>\n<li>\u63d0\u9ad8\u5b89\u5168\u6027\uff1a\u8996\u5716\u53ef\u4ee5\u9650\u5236\u7528\u6236\u5c0d\u57fa\u790e\u8868\u7684\u8a2a\u554f\u6b0a\u9650\uff0c\u5f9e\u800c\u4fdd\u8b77\u654f\u611f\u6578\u64da\u3002<\/li>\n<li>\u6578\u64da\u62bd\u8c61\uff1a\u8996\u5716\u53ef\u4ee5\u63d0\u4f9b\u4e00\u500b\u7c21\u5316\u7684\u6578\u64da\u7d50\u69cb\uff0c\u8b93\u7528\u6236\u66f4\u5bb9\u6613\u7406\u89e3\u548c\u4f7f\u7528\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"create-view-%e8%aa%9e%e6%b3%95-hFmGwciwxs\">CREATE VIEW \u8a9e\u6cd5<\/h2>\n<p>\u5728 OceanBase \u4e2d\uff0c\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>\u9019\u88e1\uff0c<code>view_name<\/code> \u662f\u4f60\u8981\u5275\u5efa\u7684\u8996\u5716\u7684\u540d\u7a31\uff0c<code>column1, column2, ...<\/code> \u662f\u4f60\u5e0c\u671b\u5728\u8996\u5716\u4e2d\u986f\u793a\u7684\u5217\uff0c<code>table_name<\/code> \u662f\u57fa\u790e\u8868\u7684\u540d\u7a31\uff0c\u800c <code>condition<\/code> \u5247\u662f\u904e\u6ffe\u6578\u64da\u7684\u689d\u4ef6\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e5%89%b5%e5%bb%ba%e4%b8%80%e5%80%8b%e7%b0%a1%e5%96%ae%e7%9a%84%e8%a6%96%e5%9c%96-hFmGwciwxs\">\u793a\u4f8b\uff1a\u5275\u5efa\u4e00\u500b\u7c21\u55ae\u7684\u8996\u5716<\/h2>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba <code>employees<\/code> \u7684\u8868\uff0c\u8a72\u8868\u5305\u542b\u4ee5\u4e0b\u5217\uff1a<\/p>\n<ul>\n<li>id<\/li>\n<li>name<\/li>\n<li>department<\/li>\n<li>salary<\/li>\n<\/ul>\n<p>\u6211\u5011\u5e0c\u671b\u5275\u5efa\u4e00\u500b\u8996\u5716\uff0c\u986f\u793a\u6240\u6709\u4f86\u81ea\u300c\u92b7\u552e\u90e8\u9580\u300d\u7684\u54e1\u5de5\u4fe1\u606f\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u8a9e\u53e5\uff1a<\/p>\n<pre><code>CREATE VIEW sales_employees AS\nSELECT id, name, salary\nFROM employees\nWHERE department = '\u92b7\u552e\u90e8\u9580';<\/code><\/pre>\n<p>\u57f7\u884c\u4e0a\u8ff0\u8a9e\u53e5\u5f8c\uff0c\u5c07\u5275\u5efa\u4e00\u500b\u540d\u70ba <code>sales_employees<\/code> \u7684\u8996\u5716\uff0c\u8a72\u8996\u5716\u5c07\u986f\u793a\u6240\u6709\u92b7\u552e\u90e8\u9580\u54e1\u5de5\u7684 ID\u3001\u59d3\u540d\u548c\u85aa\u6c34\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e8%a6%96%e5%9c%96-hFmGwciwxs\">\u67e5\u8a62\u8996\u5716<\/h2>\n<p>\u5275\u5efa\u8996\u5716\u5f8c\uff0c\u53ef\u4ee5\u50cf\u67e5\u8a62\u666e\u901a\u8868\u4e00\u6a23\u67e5\u8a62\u8996\u5716\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT * FROM sales_employees;<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u6240\u6709\u92b7\u552e\u90e8\u9580\u54e1\u5de5\u7684 ID\u3001\u59d3\u540d\u548c\u85aa\u6c34\u3002<\/p>\n<h2 id=\"%e6%9b%b4%e6%96%b0%e8%a6%96%e5%9c%96-hFmGwciwxs\">\u66f4\u65b0\u8996\u5716<\/h2>\n<p>\u5728 OceanBase \u4e2d\uff0c\u8996\u5716\u662f\u53ef\u66f4\u65b0\u7684\uff0c\u4f46\u524d\u63d0\u662f\u8996\u5716\u5fc5\u9808\u6eff\u8db3\u67d0\u4e9b\u689d\u4ef6\u3002\u4e00\u822c\u4f86\u8aaa\uff0c\u8996\u5716\u5fc5\u9808\u57fa\u65bc\u55ae\u500b\u8868\uff0c\u4e26\u4e14\u4e0d\u5305\u542b\u805a\u5408\u51fd\u6578\u6216\u5206\u7d44\u64cd\u4f5c\u3002\u5982\u679c\u6eff\u8db3\u9019\u4e9b\u689d\u4ef6\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u6cd5\u66f4\u65b0\u8996\u5716\uff1a<\/p>\n<pre><code>UPDATE sales_employees\nSET salary = salary * 1.1\nWHERE id = 1;<\/code><\/pre>\n<p>\u9019\u5c07\u628a ID \u70ba 1 \u7684\u54e1\u5de5\u7684\u85aa\u6c34\u63d0\u9ad8 10%\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-hFmGwciwxs\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u63a2\u8a0e\u4e86 OceanBase \u4e2d\u7684 CREATE VIEW \u8a9e\u53e5\u53ca\u5176\u7528\u6cd5\u3002\u8996\u5716\u4f5c\u70ba\u4e00\u7a2e\u865b\u64ec\u8868\uff0c\u80fd\u5920\u7c21\u5316\u67e5\u8a62\u3001\u63d0\u9ad8\u5b89\u5168\u6027\u4e26\u63d0\u4f9b\u6578\u64da\u62bd\u8c61\u3002\u901a\u904e\u5be6\u969b\u793a\u4f8b\uff0c\u6211\u5011\u5c55\u793a\u4e86\u5982\u4f55\u5275\u5efa\u548c\u67e5\u8a62\u8996\u5716\uff0c\u4ee5\u53ca\u5982\u4f55\u66f4\u65b0\u8996\u5716\u4e2d\u7684\u6578\u64da\u3002\u5c0d\u65bc\u5e0c\u671b\u5728 OceanBase \u4e2d\u6709\u6548\u7ba1\u7406\u6578\u64da\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u638c\u63e1\u8996\u5716\u7684\u4f7f\u7528\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u670d\u52d9\u6216\u5176\u4ed6\u76f8\u95dc\u7684 <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\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Learn how to create views in OceanBase with our comprehensive tutorial. Simplify data management and enhance query performance effectively.<\/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-160109","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160109","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=160109"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160109\/revisions"}],"predecessor-version":[{"id":160110,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160109\/revisions\/160110"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=160109"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=160109"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=160109"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}