{"id":161899,"date":"2024-11-04T10:16:23","date_gmt":"2024-11-04T02:16:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/161899\/"},"modified":"2024-11-04T10:16:24","modified_gmt":"2024-11-04T02:16:24","slug":"%e5%b9%be%e7%a8%ae%e5%b8%b8%e7%94%a8%e9%97%9c%e4%bf%82%e5%9e%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9e%b6%e6%a7%8b%e5%92%8c%e5%af%a6%e7%8f%be%e5%8e%9f%e7%90%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/161899\/","title":{"rendered":"\u5e7e\u7a2e\u5e38\u7528\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u67b6\u69cb\u548c\u5be6\u73fe\u539f\u7406"},"content":{"rendered":"<h1 id=\"%e5%b9%be%e7%a8%ae%e5%b8%b8%e7%94%a8%e9%97%9c%e4%bf%82%e5%9e%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9e%b6%e6%a7%8b%e5%92%8c%e5%af%a6%e7%8f%be%e5%8e%9f%e7%90%86-kMltkuBXdL\">\u5e7e\u7a2e\u5e38\u7528\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u67b6\u69cb\u548c\u5be6\u73fe\u539f\u7406<\/h1>\n<p>\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff08Relational Database\uff09\u662f\u7576\u4eca\u6578\u64da\u7ba1\u7406\u7684\u4e3b\u6d41\u6280\u8853\u4e4b\u4e00\u3002\u5b83\u5011\u4ee5\u8868\u683c\u7684\u5f62\u5f0f\u7d44\u7e54\u6578\u64da\uff0c\u4e26\u901a\u904e\u95dc\u4fc2\u4f86\u9023\u63a5\u4e0d\u540c\u7684\u6578\u64da\u96c6\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5e7e\u7a2e\u5e38\u7528\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u67b6\u69cb\u53ca\u5176\u5be6\u73fe\u539f\u7406\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u9019\u4e00\u6280\u8853\u7684\u57fa\u790e\u3002<\/p>\n<h2 id=\"1-%e9%97%9c%e4%bf%82%e5%9e%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-kMltkuBXdL\">1. \u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7684\u6838\u5fc3\u6982\u5ff5\u662f\u201c\u95dc\u4fc2\u201d\uff0c\u5373\u6578\u64da\u4ee5\u8868\u683c\u7684\u5f62\u5f0f\u5b58\u5132\uff0c\u6bcf\u500b\u8868\u683c\u7531\u884c\u548c\u5217\u7d44\u6210\u3002\u884c\u4ee3\u8868\u8a18\u9304\uff0c\u5217\u4ee3\u8868\u5c6c\u6027\u3002\u6578\u64da\u5eab\u4e2d\u7684\u8868\u683c\u53ef\u4ee5\u901a\u904e\u4e3b\u9375\uff08Primary Key\uff09\u548c\u5916\u9375\uff08Foreign Key\uff09\u4f86\u5efa\u7acb\u95dc\u806f\uff0c\u9019\u4f7f\u5f97\u6578\u64da\u7684\u67e5\u8a62\u548c\u7ba1\u7406\u8b8a\u5f97\u66f4\u52a0\u9748\u6d3b\u548c\u9ad8\u6548\u3002<\/p>\n<h2 id=\"2-%e5%b8%b8%e7%94%a8%e7%9a%84%e9%97%9c%e4%bf%82%e5%9e%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9e%b6%e6%a7%8b-kMltkuBXdL\">2. \u5e38\u7528\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u67b6\u69cb<\/h2>\n<h3 id=\"2-1-%e5%ae%a2%e6%88%b6%e7%ab%af-%e4%bc%ba%e6%9c%8d%e5%99%a8%e6%9e%b6%e6%a7%8b-kMltkuBXdL\">2.1. \u5ba2\u6236\u7aef-\u4f3a\u670d\u5668\u67b6\u69cb<\/h3>\n<p>\u5ba2\u6236\u7aef-\u4f3a\u670d\u5668\u67b6\u69cb\u662f\u6700\u5e38\u898b\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u67b6\u69cb\u4e4b\u4e00\u3002\u5728\u9019\u7a2e\u67b6\u69cb\u4e2d\uff0c\u6578\u64da\u5eab\u4f3a\u670d\u5668\u8ca0\u8cac\u6578\u64da\u7684\u5b58\u5132\u548c\u7ba1\u7406\uff0c\u800c\u5ba2\u6236\u7aef\u5247\u8ca0\u8cac\u7528\u6236\u754c\u9762\u548c\u6578\u64da\u7684\u8acb\u6c42\u3002\u5ba2\u6236\u7aef\u901a\u904e\u7db2\u7d61\u5411\u4f3a\u670d\u5668\u767c\u9001SQL\u67e5\u8a62\uff0c\u4f3a\u670d\u5668\u8655\u7406\u8acb\u6c42\u4e26\u8fd4\u56de\u7d50\u679c\u3002<\/p>\n<pre><code>SELECT * FROM users WHERE age &gt; 18;<\/code><\/pre>\n<p>\u9019\u7a2e\u67b6\u69cb\u7684\u512a\u9ede\u5728\u65bc\u53ef\u4ee5\u96c6\u4e2d\u7ba1\u7406\u6578\u64da\uff0c\u4e26\u4e14\u6613\u65bc\u64f4\u5c55\u548c\u7dad\u8b77\u3002<\/p>\n<h3 id=\"2-2-%e4%b8%89%e5%b1%a4%e6%9e%b6%e6%a7%8b-kMltkuBXdL\">2.2. \u4e09\u5c64\u67b6\u69cb<\/h3>\n<p>\u4e09\u5c64\u67b6\u69cb\u5c07\u61c9\u7528\u7a0b\u5e8f\u5206\u70ba\u4e09\u500b\u5c64\u6b21\uff1a\u8868\u793a\u5c64\u3001\u696d\u52d9\u908f\u8f2f\u5c64\u548c\u6578\u64da\u5c64\u3002\u8868\u793a\u5c64\u8ca0\u8cac\u7528\u6236\u754c\u9762\uff0c\u696d\u52d9\u908f\u8f2f\u5c64\u8655\u7406\u696d\u52d9\u898f\u5247\uff0c\u800c\u6578\u64da\u5c64\u5247\u8207\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002\u9019\u7a2e\u67b6\u69cb\u7684\u597d\u8655\u5728\u65bc\u5404\u5c64\u4e4b\u9593\u7684\u89e3\u8026\uff0c\u4f7f\u5f97\u7cfb\u7d71\u7684\u7dad\u8b77\u548c\u64f4\u5c55\u8b8a\u5f97\u66f4\u52a0\u5bb9\u6613\u3002<\/p>\n<h3 id=\"2-3-%e5%88%86%e5%b8%83%e5%bc%8f%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9e%b6%e6%a7%8b-kMltkuBXdL\">2.3. \u5206\u5e03\u5f0f\u6578\u64da\u5eab\u67b6\u69cb<\/h3>\n<p>\u5206\u5e03\u5f0f\u6578\u64da\u5eab\u67b6\u69cb\u5c07\u6578\u64da\u5206\u6563\u5b58\u5132\u5728\u591a\u500b\u4f3a\u670d\u5668\u4e0a\uff0c\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u7cfb\u7d71\u7684\u53ef\u7528\u6027\u548c\u6027\u80fd\u3002\u6bcf\u500b\u4f3a\u670d\u5668\u90fd\u53ef\u4ee5\u7368\u7acb\u8655\u7406\u8acb\u6c42\uff0c\u4e26\u4e14\u53ef\u4ee5\u6839\u64da\u9700\u8981\u9032\u884c\u64f4\u5c55\u3002\u9019\u7a2e\u67b6\u69cb\u7279\u5225\u9069\u5408\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u9ad8\u6027\u80fd\u7684\u61c9\u7528\u5834\u666f\u3002<\/p>\n<h2 id=\"3-%e9%97%9c%e4%bf%82%e5%9e%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%af%a6%e7%8f%be%e5%8e%9f%e7%90%86-kMltkuBXdL\">3. \u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7684\u5be6\u73fe\u539f\u7406<\/h2>\n<h3 id=\"3-1-%e6%95%b8%e6%93%9a%e6%a8%a1%e5%9e%8b-kMltkuBXdL\">3.1. \u6578\u64da\u6a21\u578b<\/h3>\n<p>\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u4f7f\u7528\u95dc\u4fc2\u6a21\u578b\u4f86\u8868\u793a\u6578\u64da\u3002\u6bcf\u500b\u8868\u683c\u90fd\u53ef\u4ee5\u770b\u4f5c\u662f\u4e00\u500b\u95dc\u4fc2\uff0c\u8868\u683c\u4e2d\u7684\u6bcf\u4e00\u884c\u4ee3\u8868\u4e00\u500b\u5143\u7d44\uff08Tuple\uff09\uff0c\u800c\u6bcf\u4e00\u5217\u5247\u4ee3\u8868\u4e00\u500b\u5c6c\u6027\u3002\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09\u4f7f\u7528\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff08SQL\uff09\u4f86\u64cd\u4f5c\u6578\u64da\u3002<\/p>\n<h3 id=\"3-2-%e4%ba%8b%e5%8b%99%e7%ae%a1%e7%90%86-kMltkuBXdL\">3.2. \u4e8b\u52d9\u7ba1\u7406<\/h3>\n<p>\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u652f\u6301\u4e8b\u52d9\uff08Transaction\uff09\u7ba1\u7406\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002\u4e8b\u52d9\u5177\u6709\u56db\u500b\u7279\u6027\uff0c\u5373\u539f\u5b50\u6027\uff08Atomicity\uff09\u3001\u4e00\u81f4\u6027\uff08Consistency\uff09\u3001\u9694\u96e2\u6027\uff08Isolation\uff09\u548c\u6301\u4e45\u6027\uff08Durability\uff09\uff0c\u901a\u5e38\u7c21\u7a31\u70baACID\u7279\u6027\u3002<\/p>\n<h3 id=\"3-3-%e5%84%b2%e5%ad%98%e5%bc%95%e6%93%8e-kMltkuBXdL\">3.3. \u5132\u5b58\u5f15\u64ce<\/h3>\n<p>\u5132\u5b58\u5f15\u64ce\u662f\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7684\u6838\u5fc3\u7d44\u4ef6\u4e4b\u4e00\uff0c\u8ca0\u8cac\u6578\u64da\u7684\u5b58\u5132\u548c\u6aa2\u7d22\u3002\u4e0d\u540c\u7684\u5132\u5b58\u5f15\u64ce\u5177\u6709\u4e0d\u540c\u7684\u7279\u6027\uff0c\u4f8b\u5982\u652f\u6301\u4e8b\u52d9\u3001\u7d22\u5f15\u985e\u578b\u548c\u6578\u64da\u58d3\u7e2e\u7b49\u3002\u5e38\u898b\u7684\u5132\u5b58\u5f15\u64ce\u5305\u62ecInnoDB\u548cMyISAM\u7b49\u3002<\/p>\n<h2 id=\"4-%e7%b5%90%e8%ab%96-kMltkuBXdL\">4. \u7d50\u8ad6<\/h2>\n<p>\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u67b6\u69cb\u548c\u5be6\u73fe\u539f\u7406\u662f\u6578\u64da\u7ba1\u7406\u7684\u91cd\u8981\u57fa\u790e\u3002\u4e86\u89e3\u9019\u4e9b\u6982\u5ff5\u4e0d\u50c5\u6709\u52a9\u65bc\u958b\u767c\u8005\u8a2d\u8a08\u9ad8\u6548\u7684\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u9084\u80fd\u5e6b\u52a9\u4f01\u696d\u66f4\u597d\u5730\u7ba1\u7406\u548c\u5229\u7528\u6578\u64da\u3002\u96a8\u8457\u6280\u8853\u7684\u767c\u5c55\uff0c\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u4ecd\u7136\u5728\u8a31\u591a\u61c9\u7528\u4e2d\u626e\u6f14\u8457\u95dc\u9375\u89d2\u8272\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\u6216\u5176\u4ed6\u6578\u64da\u7ba1\u7406\u6280\u8853\u6709\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\u5e7e\u7a2e\u5e38\u7528\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u67b6\u69cb\u53ca\u5176\u5be6\u73fe\u539f\u7406\uff0c\u4e86\u89e3\u6578\u64da\u7ba1\u7406\u7684\u57fa\u790e\u8207\u61c9\u7528\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-161899","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161899","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=161899"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161899\/revisions"}],"predecessor-version":[{"id":161900,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161899\/revisions\/161900"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=161899"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=161899"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=161899"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}