{"id":165275,"date":"2024-11-05T10:53:27","date_gmt":"2024-11-05T02:53:27","guid":{"rendered":"https:\/\/server.hk\/cnblog\/165275\/"},"modified":"2024-11-05T10:53:28","modified_gmt":"2024-11-05T02:53:28","slug":"%e9%96%8b%e6%ba%90%e9%97%9c%e4%bf%82%e5%9e%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e9%a0%85%e7%9b%ae%e4%b8%80%e8%a6%bd-%e4%b8%bb%e6%b5%81%e9%97%9c%e4%bf%82%e5%9e%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e9%96%8b%e6%ba%90","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/165275\/","title":{"rendered":"\u958b\u6e90\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u9805\u76ee\u4e00\u89bd (\u4e3b\u6d41\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u958b\u6e90\u9805\u76ee)"},"content":{"rendered":"<h1 id=\"%e9%96%8b%e6%ba%90%e9%97%9c%e4%bf%82%e5%9e%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e9%a0%85%e7%9b%ae%e4%b8%80%e8%a6%bd-%e4%b8%bb%e6%b5%81%e9%97%9c%e4%bf%82%e5%9e%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e9%96%8b%e6%ba%90-wFJwLWbbkS\">\u958b\u6e90\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u9805\u76ee\u4e00\u89bd (\u4e3b\u6d41\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u958b\u6e90\u9805\u76ee)<\/h1>\n<p>\u96a8\u8457\u6578\u64da\u7684\u5feb\u901f\u589e\u9577\u548c\u61c9\u7528\u9700\u6c42\u7684\u591a\u6a23\u5316\uff0c\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u5728\u73fe\u4ee3\u61c9\u7528\u4e2d\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\u3002\u958b\u6e90\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u56e0\u5176\u9748\u6d3b\u6027\u3001\u53ef\u64f4\u5c55\u6027\u548c\u793e\u5340\u652f\u6301\u800c\u53d7\u5230\u5ee3\u6cdb\u95dc\u6ce8\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5e7e\u500b\u4e3b\u6d41\u7684\u958b\u6e90\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u9805\u76ee\uff0c\u5e6b\u52a9\u8b80\u8005\u4e86\u89e3\u5b83\u5011\u7684\u7279\u9ede\u548c\u61c9\u7528\u5834\u666f\u3002<\/p>\n<h2 id=\"1-mysql-wFJwLWbbkS\">1. MySQL<\/h2>\n<p>MySQL \u662f\u6700\u6d41\u884c\u7684\u958b\u6e90\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u4e4b\u4e00\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u7db2\u7ad9\u548c\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u5b83\u7531 Oracle Corporation \u7dad\u8b77\uff0c\u652f\u6301\u591a\u7a2e\u64cd\u4f5c\u7cfb\u7d71\uff0c\u5305\u62ec Linux \u548c Windows\u3002<\/p>\n<ul>\n<li><strong>\u7279\u9ede\uff1a<\/strong>\u9ad8\u6027\u80fd\u3001\u53ef\u9760\u6027\u548c\u6613\u7528\u6027\u3002<\/li>\n<li><strong>\u61c9\u7528\u5834\u666f\uff1a<\/strong>\u9069\u5408\u4e2d\u5c0f\u578b\u7db2\u7ad9\u3001\u96fb\u5b50\u5546\u52d9\u5e73\u53f0\u548c\u5167\u5bb9\u7ba1\u7406\u7cfb\u7d71\u3002<\/li>\n<\/ul>\n<p>MySQL \u7684\u67e5\u8a62\u8a9e\u8a00\u4f7f\u7528 SQL\uff0c\u4e26\u4e14\u652f\u6301\u4e8b\u52d9\u8655\u7406\u548c\u591a\u7528\u6236\u8a2a\u554f\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u67e5\u8a62\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT * FROM users WHERE age &gt; 18;<\/code><\/pre>\n<h2 id=\"2-postgresql-wFJwLWbbkS\">2. PostgreSQL<\/h2>\n<p>PostgreSQL \u662f\u4e00\u500b\u529f\u80fd\u5f37\u5927\u7684\u958b\u6e90\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff0c\u7279\u5225\u9069\u5408\u9700\u8981\u8907\u96dc\u67e5\u8a62\u548c\u6578\u64da\u5b8c\u6574\u6027\u7684\u61c9\u7528\u3002\u5b83\u652f\u6301\u591a\u7a2e\u6578\u64da\u985e\u578b\u548c\u64f4\u5c55\u529f\u80fd\u3002<\/p>\n<ul>\n<li><strong>\u7279\u9ede\uff1a<\/strong>\u652f\u6301\u5730\u7406\u7a7a\u9593\u6578\u64da\u3001JSON \u6578\u64da\u985e\u578b\u548c\u81ea\u5b9a\u7fa9\u51fd\u6578\u3002<\/li>\n<li><strong>\u61c9\u7528\u5834\u666f\uff1a<\/strong>\u9069\u5408\u91d1\u878d\u3001\u91ab\u7642\u548c\u79d1\u7814\u7b49\u9700\u8981\u9ad8\u53ef\u9760\u6027\u7684\u884c\u696d\u3002<\/li>\n<\/ul>\n<p>PostgreSQL \u7684\u67e5\u8a62\u8a9e\u8a00\u540c\u6a23\u4f7f\u7528 SQL\uff0c\u4e26\u4e14\u652f\u6301\u7a97\u53e3\u51fd\u6578\u548c\u905e\u6b78\u67e5\u8a62\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528\u7a97\u53e3\u51fd\u6578\u7684\u67e5\u8a62\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT name, salary, RANK() OVER (ORDER BY salary DESC) AS rank FROM employees;<\/code><\/pre>\n<h2 id=\"3-mariadb-wFJwLWbbkS\">3. MariaDB<\/h2>\n<p>MariaDB \u662f MySQL \u7684\u4e00\u500b\u5206\u652f\uff0c\u65e8\u5728\u4fdd\u6301\u958b\u6e90\u7684\u7279\u6027\u4e26\u589e\u5f37\u6027\u80fd\u3002\u5b83\u7531 MySQL \u7684\u5275\u59cb\u4eba\u958b\u767c\uff0c\u4e26\u4e14\u8207 MySQL \u517c\u5bb9\u3002<\/p>\n<ul>\n<li><strong>\u7279\u9ede\uff1a<\/strong>\u66f4\u5feb\u7684\u67e5\u8a62\u6027\u80fd\u548c\u66f4\u5f37\u7684\u5b89\u5168\u6027\u3002<\/li>\n<li><strong>\u61c9\u7528\u5834\u666f\uff1a<\/strong>\u9069\u5408\u9700\u8981\u9ad8\u6027\u80fd\u548c\u9ad8\u53ef\u7528\u6027\u7684\u61c9\u7528\u3002<\/li>\n<\/ul>\n<p>MariaDB \u63d0\u4f9b\u4e86\u8a31\u591a\u65b0\u529f\u80fd\uff0c\u5982\u865b\u64ec\u5217\u548c\u66f4\u597d\u7684\u67e5\u8a62\u512a\u5316\u5668\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528\u865b\u64ec\u5217\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE TABLE products (id INT, price DECIMAL(10,2), tax DECIMAL(10,2) AS (price * 0.1));<\/code><\/pre>\n<h2 id=\"4-sqlite-wFJwLWbbkS\">4. SQLite<\/h2>\n<p>SQLite \u662f\u4e00\u500b\u8f15\u91cf\u7d1a\u7684\u958b\u6e90\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff0c\u9069\u5408\u5d4c\u5165\u5f0f\u7cfb\u7d71\u548c\u5c0f\u578b\u61c9\u7528\u3002\u5b83\u4e0d\u9700\u8981\u7368\u7acb\u7684\u4f3a\u670d\u5668\u9032\u7a0b\uff0c\u6240\u6709\u6578\u64da\u90fd\u5b58\u5132\u5728\u55ae\u4e00\u7684\u6587\u4ef6\u4e2d\u3002<\/p>\n<ul>\n<li><strong>\u7279\u9ede\uff1a<\/strong>\u7c21\u55ae\u6613\u7528\u3001\u7121\u9700\u914d\u7f6e\u3002<\/li>\n<li><strong>\u61c9\u7528\u5834\u666f\uff1a<\/strong>\u9069\u5408\u79fb\u52d5\u61c9\u7528\u3001\u684c\u9762\u61c9\u7528\u548c\u5c0f\u578b\u7db2\u7ad9\u3002<\/li>\n<\/ul>\n<p>SQLite \u7684\u67e5\u8a62\u8a9e\u8a00\u540c\u6a23\u4f7f\u7528 SQL\uff0c\u4e26\u4e14\u652f\u6301\u5927\u591a\u6578 SQL \u6a19\u6e96\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u63d2\u5165\u793a\u4f8b\uff1a<\/p>\n<pre><code>INSERT INTO users (name, age) VALUES ('Alice', 30);<\/code><\/pre>\n<h2 id=\"5-firebird-wFJwLWbbkS\">5. Firebird<\/h2>\n<p>Firebird \u662f\u4e00\u500b\u529f\u80fd\u5f37\u5927\u7684\u958b\u6e90\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff0c\u652f\u6301\u591a\u7a2e\u5e73\u53f0\u3002\u5b83\u4ee5\u5176\u9ad8\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u800c\u805e\u540d\uff0c\u4e26\u4e14\u652f\u6301\u591a\u7a2e\u6578\u64da\u985e\u578b\u3002<\/p>\n<ul>\n<li><strong>\u7279\u9ede\uff1a<\/strong>\u652f\u6301\u5b58\u5132\u904e\u7a0b\u548c\u89f8\u767c\u5668\u3002<\/li>\n<li><strong>\u61c9\u7528\u5834\u666f\uff1a<\/strong>\u9069\u5408\u4f01\u696d\u7d1a\u61c9\u7528\u548c\u5927\u578b\u7cfb\u7d71\u3002<\/li>\n<\/ul>\n<p>Firebird \u7684\u67e5\u8a62\u8a9e\u8a00\u4f7f\u7528 SQL\uff0c\u4e26\u4e14\u652f\u6301\u8907\u96dc\u7684\u67e5\u8a62\u548c\u4e8b\u52d9\u8655\u7406\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528\u5b58\u5132\u904e\u7a0b\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE PROCEDURE get_user(IN user_id INT) AS BEGIN SELECT * FROM users WHERE id = user_id; END;<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-wFJwLWbbkS\">\u7e3d\u7d50<\/h2>\n<p>\u958b\u6e90\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u5728\u7576\u4eca\u7684\u6578\u64da\u7ba1\u7406\u4e2d\u626e\u6f14\u8457\u91cd\u8981\u89d2\u8272\u3002\u7121\u8ad6\u662f MySQL\u3001PostgreSQL\u3001MariaDB\u3001SQLite \u9084\u662f Firebird\uff0c\u6bcf\u500b\u6578\u64da\u5eab\u90fd\u6709\u5176\u7368\u7279\u7684\u7279\u9ede\u548c\u9069\u7528\u5834\u666f\u3002\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u53ef\u4ee5\u5e6b\u52a9\u4f01\u696d\u66f4\u597d\u5730\u7ba1\u7406\u6578\u64da\uff0c\u63d0\u9ad8\u61c9\u7528\u6027\u80fd\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u90e8\u7f72\u60a8\u7684\u958b\u6e90\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u4e3b\u6d41\u958b\u6e90\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u9805\u76ee\uff0c\u4e86\u89e3\u5176\u7279\u9ede\u3001\u512a\u52e2\u53ca\u61c9\u7528\uff0c\u52a9\u60a8\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\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-165275","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/165275","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=165275"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/165275\/revisions"}],"predecessor-version":[{"id":165276,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/165275\/revisions\/165276"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=165275"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=165275"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=165275"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}