{"id":174385,"date":"2024-11-07T21:23:39","date_gmt":"2024-11-07T13:23:39","guid":{"rendered":"https:\/\/server.hk\/cnblog\/174385\/"},"modified":"2024-11-07T21:23:39","modified_gmt":"2024-11-07T13:23:39","slug":"%e5%a6%82%e4%bd%95%e8%a7%a3%e6%b1%ba%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a6%96%e5%9c%96%e6%9b%b4%e6%96%b0%e5%a4%b1%e6%95%97%e5%95%8f%e9%a1%8c-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a6%96%e5%9c%96%e6%9b%b4%e6%96%b0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/174385\/","title":{"rendered":"\u5982\u4f55\u89e3\u6c7a\u6578\u64da\u5eab\u8996\u5716\u66f4\u65b0\u5931\u6557\u554f\u984c (\u6578\u64da\u5eab\u8996\u5716\u66f4\u65b0\u4e0d\u6210\u529f)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e8%a7%a3%e6%b1%ba%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a6%96%e5%9c%96%e6%9b%b4%e6%96%b0%e5%a4%b1%e6%95%97%e5%95%8f%e9%a1%8c-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a6%96%e5%9c%96%e6%9b%b4%e6%96%b0-QahYuVsuGk\">\u5982\u4f55\u89e3\u6c7a\u6578\u64da\u5eab\u8996\u5716\u66f4\u65b0\u5931\u6557\u554f\u984c 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id=\"%e8%a7%a3%e6%b1%ba%e8%a6%96%e5%9c%96%e6%9b%b4%e6%96%b0%e5%a4%b1%e6%95%97%e7%9a%84%e6%96%b9%e6%a1%88-QahYuVsuGk\">\u89e3\u6c7a\u8996\u5716\u66f4\u65b0\u5931\u6557\u7684\u65b9\u6848<\/h2>\n<p>\u91dd\u5c0d\u4e0a\u8ff0\u554f\u984c\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<h3 id=\"1-%e7%b0%a1%e5%8c%96%e8%a6%96%e5%9c%96-QahYuVsuGk\">1. \u7c21\u5316\u8996\u5716<\/h3>\n<p>\u5982\u679c\u8996\u5716\u904e\u65bc\u8907\u96dc\uff0c\u8003\u616e\u7c21\u5316\u5b83\u3002\u53ef\u4ee5\u901a\u904e\u5275\u5efa\u591a\u500b\u7c21\u55ae\u7684\u8996\u5716\u4f86\u66ff\u4ee3\u4e00\u500b\u8907\u96dc\u7684\u8996\u5716\uff0c\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u66f4\u65b0\u7684\u9748\u6d3b\u6027\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>CREATE VIEW simple_view AS\nSELECT column1, column2\nFROM table1\nWHERE condition;<\/code><\/pre>\n<h3 id=\"2-%e7%a2%ba%e4%bf%9d%e4%b8%bb%e9%8d%b5%e5%ad%98%e5%9c%a8-QahYuVsuGk\">2. \u78ba\u4fdd\u4e3b\u9375\u5b58\u5728<\/h3>\n<p>\u6aa2\u67e5\u57fa\u790e\u8868\u662f\u5426\u6709\u4e3b\u9375\u3002\u5982\u679c\u6c92\u6709\uff0c\u5247\u9700\u8981\u70ba\u8868\u6dfb\u52a0\u4e3b\u9375\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6bcf\u4e00\u884c\u90fd\u662f\u552f\u4e00\u7684\uff0c\u5f9e\u800c\u5141\u8a31\u66f4\u65b0\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>ALTER TABLE table1\nADD PRIMARY KEY (id_column);<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e5%8f%af%e6%9b%b4%e6%96%b0%e8%a6%96%e5%9c%96-QahYuVsuGk\">3. \u4f7f\u7528\u53ef\u66f4\u65b0\u8996\u5716<\/h3>\n<p>\u78ba\u4fdd\u8996\u5716\u662f\u53ef\u66f4\u65b0\u7684\u3002\u6839\u64da SQL \u6a19\u6e96\uff0c\u53ea\u6709\u5728\u6eff\u8db3\u7279\u5b9a\u689d\u4ef6\u7684\u60c5\u6cc1\u4e0b\uff0c\u8996\u5716\u624d\u662f\u53ef\u66f4\u65b0\u7684\u3002\u9019\u4e9b\u689d\u4ef6\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u8996\u5716\u5fc5\u9808\u57fa\u65bc\u55ae\u500b\u8868\u3002<\/li>\n<li>\u8996\u5716\u4e2d\u4e0d\u80fd\u5305\u542b\u805a\u5408\u51fd\u6578\u6216DISTINCT\u3002<\/li>\n<li>\u6240\u6709\u975e\u805a\u5408\u5217\u5fc5\u9808\u4f86\u81ea\u540c\u4e00\u8868\u3002<\/li>\n<\/ul>\n<h3 id=\"4-%e6%aa%a2%e6%9f%a5%e7%94%a8%e6%88%b6%e6%ac%8a%e9%99%90-QahYuVsuGk\">4. \u6aa2\u67e5\u7528\u6236\u6b0a\u9650<\/h3>\n<p>\u78ba\u4fdd\u7528\u6236\u64c1\u6709\u8db3\u5920\u7684\u6b0a\u9650\u4f86\u66f4\u65b0\u8996\u5716\u53ca\u5176\u57fa\u790e\u8868\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8a62\u4f86\u6aa2\u67e5\u7528\u6236\u6b0a\u9650\uff1a<\/p>\n<pre><code>SHOW GRANTS FOR 'username'@'host';<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-QahYuVsuGk\">\u7d50\u8ad6<\/h2>\n<p>\u6578\u64da\u5eab\u8996\u5716\u7684\u66f4\u65b0\u5931\u6557\u53ef\u80fd\u6703\u5f71\u97ff\u61c9\u7528\u7a0b\u5e8f\u7684\u6b63\u5e38\u904b\u884c\u3002\u901a\u904e\u7c21\u5316\u8996\u5716\u3001\u78ba\u4fdd\u4e3b\u9375\u5b58\u5728\u3001\u4f7f\u7528\u53ef\u66f4\u65b0\u8996\u5716\u4ee5\u53ca\u6aa2\u67e5\u7528\u6236\u6b0a\u9650\uff0c\u53ef\u4ee5\u6709\u6548\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\u3002\u4e86\u89e3\u9019\u4e9b\u57fa\u672c\u6982\u5ff5\u5c07\u6709\u52a9\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u66f4\u597d\u5730\u7dad\u8b77\u548c\u7ba1\u7406\u6578\u64da\u5eab\u7cfb\u7d71\u3002<\/p>\n<p>\u5982\u679c\u60a8\u9700\u8981\u66f4\u591a\u6709\u95dc\u6578\u64da\u5eab\u7ba1\u7406\u6216\u5176\u4ed6\u6280\u8853\u652f\u6301\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\uff0c\u4e86\u89e3\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u548c\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u89e3\u6c7a\u6578\u64da\u5eab\u8996\u5716\u66f4\u65b0\u5931\u6557\u554f\u984c\uff0c\u63d0\u4f9b\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u548c\u6700\u4f73\u5be6\u8e10\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u64cd\u4f5c\u9806\u5229\u9032\u884c\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-174385","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174385","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=174385"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174385\/revisions"}],"predecessor-version":[{"id":174386,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174385\/revisions\/174386"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=174385"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=174385"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=174385"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}