{"id":186930,"date":"2024-11-11T10:01:24","date_gmt":"2024-11-11T02:01:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/186930\/"},"modified":"2024-11-11T10:01:25","modified_gmt":"2024-11-11T02:01:25","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9b%ae%e6%a8%99%e8%a7%a3%e6%9e%90%ef%bc%9a%e5%84%aa%e5%8c%96%e6%95%b8%e6%93%9a%e7%ae%a1%e7%90%86%e8%83%bd%e5%8a%9b-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e7%9b%ae%e6%a8%99","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/186930\/","title":{"rendered":"\u6578\u64da\u5eab\u76ee\u6a19\u89e3\u6790\uff1a\u512a\u5316\u6578\u64da\u7ba1\u7406\u80fd\u529b (\u6578\u64da\u5eab\u7684\u76ee\u6a19\u662f\u4ec0\u9ebc\u610f\u601d)"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9b%ae%e6%a8%99%e8%a7%a3%e6%9e%90%ef%bc%9a%e5%84%aa%e5%8c%96%e6%95%b8%e6%93%9a%e7%ae%a1%e7%90%86%e8%83%bd%e5%8a%9b-IGMspegbRG\">\u6578\u64da\u5eab\u76ee\u6a19\u89e3\u6790\uff1a\u512a\u5316\u6578\u64da\u7ba1\u7406\u80fd\u529b<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u512a\u5316\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u6578\u64da\u5eab\u7684\u76ee\u6a19\u4e0d\u50c5\u50c5\u662f\u5b58\u5132\u6578\u64da\uff0c\u66f4\u662f\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u3001\u6aa2\u7d22\u548c\u5206\u6790\u9019\u4e9b\u6578\u64da\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u6578\u64da\u5eab\u7684\u76ee\u6a19\u53ca\u5176\u5c0d\u6578\u64da\u7ba1\u7406\u80fd\u529b\u7684\u5f71\u97ff\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-IGMspegbRG\">\u6578\u64da\u5eab\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u6578\u64da\u5eab\u662f\u4e00\u7a2e\u6709\u7d44\u7e54\u7684\u6578\u64da\u96c6\u5408\uff0c\u901a\u5e38\u4ee5\u96fb\u5b50\u65b9\u5f0f\u5b58\u5132\u5728\u8a08\u7b97\u6a5f\u7cfb\u7d71\u4e2d\u3002\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09\u662f\u7528\u4f86\u5275\u5efa\u3001\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\u5eab\u7684\u8edf\u4ef6\u3002\u6578\u64da\u5eab\u7684\u4e3b\u8981\u76ee\u6a19\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u6578\u64da\u7684\u6301\u4e45\u6027\uff1a\u78ba\u4fdd\u6578\u64da\u5728\u7cfb\u7d71\u6545\u969c\u6216\u610f\u5916\u60c5\u6cc1\u4e0b\u4e0d\u6703\u4e1f\u5931\u3002<\/li>\n<li>\u6578\u64da\u7684\u5b8c\u6574\u6027\uff1a\u78ba\u4fdd\u6578\u64da\u7684\u6e96\u78ba\u6027\u548c\u4e00\u81f4\u6027\u3002<\/li>\n<li>\u6578\u64da\u7684\u5b89\u5168\u6027\uff1a\u9632\u6b62\u672a\u7d93\u6388\u6b0a\u7684\u8a2a\u554f\u548c\u6578\u64da\u6d29\u9732\u3002<\/li>\n<li>\u6578\u64da\u7684\u53ef\u64f4\u5c55\u6027\uff1a\u652f\u6301\u6578\u64da\u91cf\u7684\u589e\u9577\u548c\u7cfb\u7d71\u7684\u64f4\u5c55\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e7%9b%ae%e6%a8%99%e8%a7%a3%e6%9e%90-IGMspegbRG\">\u6578\u64da\u5eab\u7684\u76ee\u6a19\u89e3\u6790<\/h2>\n<p>\u6578\u64da\u5eab\u7684\u76ee\u6a19\u53ef\u4ee5\u5f9e\u591a\u500b\u65b9\u9762\u9032\u884c\u89e3\u6790\uff0c\u4ee5\u4e0b\u662f\u5e7e\u500b\u95dc\u9375\u65b9\u9762\uff1a<\/p>\n<h3 id=\"1-%e6%95%b8%e6%93%9a%e7%9a%84%e9%ab%98%e6%95%88%e5%ad%98%e5%8f%96-IGMspegbRG\">1. \u6578\u64da\u7684\u9ad8\u6548\u5b58\u53d6<\/h3>\n<p>\u6578\u64da\u5eab\u7684\u8a2d\u8a08\u61c9\u8a72\u80fd\u5920\u652f\u6301\u5feb\u901f\u7684\u6578\u64da\u6aa2\u7d22\u3002\u9019\u901a\u5e38\u6d89\u53ca\u5230\u7d22\u5f15\u7684\u4f7f\u7528\u3002\u7d22\u5f15\u662f\u4e00\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u53ef\u4ee5\u52a0\u901f\u67e5\u8a62\u64cd\u4f5c\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u500b\u5927\u578b\u7684\u5ba2\u6236\u6578\u64da\u5eab\u4e2d\uff0c\u4f7f\u7528\u7d22\u5f15\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\uff1a<\/p>\n<pre><code>CREATE INDEX idx_customer_name ON customers(name);<\/code><\/pre>\n<p>\u9019\u6a23\u7684\u7d22\u5f15\u53ef\u4ee5\u4f7f\u5f97\u6839\u64da\u5ba2\u6236\u540d\u7a31\u9032\u884c\u67e5\u8a62\u6642\uff0c\u7cfb\u7d71\u80fd\u5920\u66f4\u5feb\u5730\u627e\u5230\u6240\u9700\u7684\u6578\u64da\u3002<\/p>\n<h3 id=\"2-%e6%95%b8%e6%93%9a%e7%9a%84%e5%ae%8c%e6%95%b4%e6%80%a7%e5%92%8c%e4%b8%80%e8%87%b4%e6%80%a7-IGMspegbRG\">2. \u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027<\/h3>\n<p>\u6578\u64da\u5eab\u5fc5\u9808\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002\u9019\u53ef\u4ee5\u901a\u904e\u7d04\u675f\u689d\u4ef6\u4f86\u5be6\u73fe\uff0c\u4f8b\u5982\u4e3b\u9375\u3001\u5916\u9375\u548c\u552f\u4e00\u6027\u7d04\u675f\u3002\u9019\u4e9b\u7d04\u675f\u80fd\u5920\u9632\u6b62\u4e0d\u6b63\u78ba\u6216\u91cd\u8907\u7684\u6578\u64da\u9032\u5165\u6578\u64da\u5eab\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>CREATE TABLE orders (\n    order_id INT PRIMARY KEY,\n    customer_id INT,\n    order_date DATE,\n    FOREIGN KEY (customer_id) REFERENCES customers(customer_id)\n);<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u78ba\u4fdd\u4e86\u6bcf\u500b\u8a02\u55ae\u90fd\u5fc5\u9808\u6709\u4e00\u500b\u6709\u6548\u7684\u5ba2\u6236ID\uff0c\u5f9e\u800c\u7dad\u8b77\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002<\/p>\n<h3 id=\"3-%e6%95%b8%e6%93%9a%e7%9a%84%e5%ae%89%e5%85%a8%e6%80%a7-IGMspegbRG\">3. \u6578\u64da\u7684\u5b89\u5168\u6027<\/h3>\n<p>\u96a8\u8457\u6578\u64da\u6d29\u9732\u4e8b\u4ef6\u7684\u983b\u7e41\u767c\u751f\uff0c\u6578\u64da\u5eab\u7684\u5b89\u5168\u6027\u8b8a\u5f97\u81f3\u95dc\u91cd\u8981\u3002\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u61c9\u8a72\u63d0\u4f9b\u7528\u6236\u6b0a\u9650\u7ba1\u7406\u529f\u80fd\uff0c\u4ee5\u78ba\u4fdd\u53ea\u6709\u6388\u6b0a\u7528\u6236\u624d\u80fd\u8a2a\u554f\u654f\u611f\u6578\u64da\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u6388\u4e88\u7528\u6236\u8a2a\u554f\u6b0a\u9650\uff1a<\/p>\n<pre><code>GRANT SELECT ON customers TO user1;<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u53ea\u6709user1\u80fd\u5920\u67e5\u8a62\u5ba2\u6236\u6578\u64da\uff0c\u5f9e\u800c\u63d0\u9ad8\u6578\u64da\u7684\u5b89\u5168\u6027\u3002<\/p>\n<h3 id=\"4-%e6%95%b8%e6%93%9a%e7%9a%84%e5%8f%af%e6%93%b4%e5%b1%95%e6%80%a7-IGMspegbRG\">4. \u6578\u64da\u7684\u53ef\u64f4\u5c55\u6027<\/h3>\n<p>\u96a8\u8457\u696d\u52d9\u7684\u589e\u9577\uff0c\u6578\u64da\u91cf\u4e5f\u6703\u96a8\u4e4b\u589e\u52a0\u3002\u56e0\u6b64\uff0c\u6578\u64da\u5eab\u5fc5\u9808\u5177\u5099\u826f\u597d\u7684\u53ef\u64f4\u5c55\u6027\u3002\u9019\u53ef\u4ee5\u901a\u904e\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u67b6\u69cb\u4f86\u5be6\u73fe\uff0c\u4f8b\u5982\u5206\u7247\u6216\u8907\u88fd\u6280\u8853\u3002\u9019\u4e9b\u6280\u8853\u80fd\u5920\u5e6b\u52a9\u7cfb\u7d71\u5728\u9762\u5c0d\u5927\u91cf\u6578\u64da\u6642\u4ecd\u7136\u4fdd\u6301\u9ad8\u6548\u904b\u884c\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-IGMspegbRG\">\u7d50\u8ad6<\/h2>\n<p>\u6578\u64da\u5eab\u7684\u76ee\u6a19\u4e0d\u50c5\u50c5\u662f\u5b58\u5132\u6578\u64da\uff0c\u66f4\u662f\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u548c\u5229\u7528\u9019\u4e9b\u6578\u64da\u3002\u901a\u904e\u9ad8\u6548\u7684\u5b58\u53d6\u3001\u5b8c\u6574\u6027\u3001\u4e00\u81f4\u6027\u3001\u5b89\u5168\u6027\u548c\u53ef\u64f4\u5c55\u6027\uff0c\u6578\u64da\u5eab\u80fd\u5920\u986f\u8457\u63d0\u5347\u6578\u64da\u7ba1\u7406\u80fd\u529b\u3002\u96a8\u8457\u6280\u8853\u7684\u9032\u6b65\uff0c\u6578\u64da\u5eab\u7684\u8a2d\u8a08\u548c\u7ba1\u7406\u65b9\u6cd5\u4e5f\u5728\u4e0d\u65b7\u6f14\u8b8a\uff0c\u4f01\u696d\u61c9\u8a72\u6301\u7e8c\u95dc\u6ce8\u9019\u4e9b\u8b8a\u5316\uff0c\u4ee5\u4fbf\u5728\u7af6\u722d\u4e2d\u4fdd\u6301\u512a\u52e2\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4ee5\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u9700\u6c42\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>\u63a2\u7d22\u6578\u64da\u5eab\u76ee\u6a19\u89e3\u6790\uff0c\u4e86\u89e3\u5982\u4f55\u512a\u5316\u6578\u64da\u7ba1\u7406\u80fd\u529b\uff0c\u63d0\u5347\u6578\u64da\u5b58\u53d6\u6548\u7387\u8207\u5b89\u5168\u6027\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-186930","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186930","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=186930"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186930\/revisions"}],"predecessor-version":[{"id":186931,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186930\/revisions\/186931"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=186930"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=186930"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=186930"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}