{"id":193241,"date":"2024-11-12T20:36:20","date_gmt":"2024-11-12T12:36:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/193241\/"},"modified":"2024-11-12T20:36:21","modified_gmt":"2024-11-12T12:36:21","slug":"%e4%bf%ae%e5%be%a9%e6%95%b8%e6%93%9a%e5%ba%ab%e8%aa%9e%e5%8f%a5sql%ef%bc%9a%e9%98%b2%e6%ad%a2%e6%95%b8%e6%93%9a%e4%b8%9f%e5%a4%b1%e8%88%87%e5%ae%89%e5%85%a8%e6%b3%84%e6%bc%8f-%e4%bf%ae%e5%be%a9","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/193241\/","title":{"rendered":"\u4fee\u5fa9\u6578\u64da\u5eab\u8a9e\u53e5SQL\uff1a\u9632\u6b62\u6578\u64da\u4e1f\u5931\u8207\u5b89\u5168\u6cc4\u6f0f (\u4fee\u5fa9\u6578\u64da\u5eab\u8a9e\u53e5sql)"},"content":{"rendered":"<h1 id=\"%e4%bf%ae%e5%be%a9%e6%95%b8%e6%93%9a%e5%ba%ab%e8%aa%9e%e5%8f%a5sql%ef%bc%9a%e9%98%b2%e6%ad%a2%e6%95%b8%e6%93%9a%e4%b8%9f%e5%a4%b1%e8%88%87%e5%ae%89%e5%85%a8%e6%b3%84%e6%bc%8f-GVVsuRduWH\">\u4fee\u5fa9\u6578\u64da\u5eab\u8a9e\u53e5SQL\uff1a\u9632\u6b62\u6578\u64da\u4e1f\u5931\u8207\u5b89\u5168\u6cc4\u6f0f<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u5b89\u5168\u6027\u548c\u5b8c\u6574\u6027\u81f3\u95dc\u91cd\u8981\u3002\u96a8\u8457\u4f01\u696d\u548c\u500b\u4eba\u8d8a\u4f86\u8d8a\u4f9d\u8cf4\u6578\u64da\u5eab\u4f86\u5b58\u5132\u548c\u7ba1\u7406\u4fe1\u606f\uff0c\u4fee\u5fa9\u6578\u64da\u5eab\u8a9e\u53e5SQL\u7684\u80fd\u529b\u8b8a\u5f97\u5c24\u70ba\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4fee\u5fa9SQL\u8a9e\u53e5\uff0c\u4ee5\u9632\u6b62\u6578\u64da\u4e1f\u5931\u548c\u5b89\u5168\u6cc4\u6f0f\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u5efa\u8b70\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e8%aa%9e%e5%8f%a5%e7%9a%84%e5%b8%b8%e8%a6%8b%e5%95%8f%e9%a1%8c-GVVsuRduWH\">\u6578\u64da\u5eab\u8a9e\u53e5\u7684\u5e38\u898b\u554f\u984c<\/h2>\n<p>\u5728\u4f7f\u7528SQL\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u554f\u984c\uff0c\u9019\u4e9b\u554f\u984c\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u4e1f\u5931\u6216\u5b89\u5168\u6f0f\u6d1e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u554f\u984c\uff1a<\/p>\n<ul>\n<li><strong>\u8a9e\u6cd5\u932f\u8aa4\uff1a<\/strong>\u4e0d\u6b63\u78ba\u7684SQL\u8a9e\u6cd5\u6703\u5c0e\u81f4\u67e5\u8a62\u5931\u6557\uff0c\u5f9e\u800c\u5f71\u97ff\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002<\/li>\n<li><strong>SQL\u6ce8\u5165\u653b\u64ca\uff1a<\/strong>\u4e0d\u5b89\u5168\u7684SQL\u8a9e\u53e5\u53ef\u80fd\u6703\u88ab\u653b\u64ca\u8005\u5229\u7528\uff0c\u5c0e\u81f4\u6578\u64da\u6cc4\u6f0f\u6216\u640d\u58de\u3002<\/li>\n<li><strong>\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\uff1a<\/strong>\u5728\u63d2\u5165\u6216\u66f4\u65b0\u6578\u64da\u6642\uff0c\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\u53ef\u80fd\u6703\u5c0e\u81f4\u932f\u8aa4\u3002<\/li>\n<li><strong>\u7f3a\u5c11\u4e8b\u52d9\u8655\u7406\uff1a<\/strong>\u5728\u591a\u6b65\u64cd\u4f5c\u4e2d\uff0c\u7f3a\u5c11\u4e8b\u52d9\u8655\u7406\u53ef\u80fd\u6703\u5c0e\u81f4\u90e8\u5206\u64cd\u4f5c\u6210\u529f\u800c\u5176\u4ed6\u64cd\u4f5c\u5931\u6557\uff0c\u5f9e\u800c\u9020\u6210\u6578\u64da\u4e0d\u4e00\u81f4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bf%ae%e5%be%a9sql%e8%aa%9e%e5%8f%a5%e7%9a%84%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-GVVsuRduWH\">\u4fee\u5fa9SQL\u8a9e\u53e5\u7684\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u70ba\u4e86\u9632\u6b62\u6578\u64da\u4e1f\u5931\u548c\u5b89\u5168\u6cc4\u6f0f\uff0c\u958b\u767c\u8005\u61c9\u9075\u5faa\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\u4f86\u4fee\u5fa9\u548c\u512a\u5316SQL\u8a9e\u53e5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e5%8f%83%e6%95%b8%e5%8c%96%e6%9f%a5%e8%a9%a2-GVVsuRduWH\">1. \u4f7f\u7528\u53c3\u6578\u5316\u67e5\u8a62<\/h3>\n<p>\u53c3\u6578\u5316\u67e5\u8a62\u53ef\u4ee5\u6709\u6548\u9632\u6b62SQL\u6ce8\u5165\u653b\u64ca\u3002\u901a\u904e\u5c07\u7528\u6236\u8f38\u5165\u7684\u6578\u64da\u4f5c\u70ba\u53c3\u6578\u50b3\u905e\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u62fc\u63a5\u5230SQL\u8a9e\u53e5\u4e2d\uff0c\u53ef\u4ee5\u63d0\u9ad8\u5b89\u5168\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528\u53c3\u6578\u5316\u67e5\u8a62\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT * FROM users WHERE username = ? AND password = ?;<\/code><\/pre>\n<h3 id=\"2-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-GVVsuRduWH\">2. \u6aa2\u67e5\u6578\u64da\u985e\u578b<\/h3>\n<p>\u5728\u63d2\u5165\u6216\u66f4\u65b0\u6578\u64da\u4e4b\u524d\uff0c\u61c9\u6aa2\u67e5\u6578\u64da\u985e\u578b\u662f\u5426\u5339\u914d\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u6574\u6578\u985e\u578b\u7684\u5b57\u6bb5\uff0c\u61c9\u78ba\u4fdd\u63d2\u5165\u7684\u6578\u64da\u662f\u6574\u6578\uff1a<\/p>\n<pre><code>INSERT INTO products (id, name, price) VALUES (1, 'Product A', 19.99);<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e4%ba%8b%e5%8b%99%e8%99%95%e7%90%86-GVVsuRduWH\">3. \u4f7f\u7528\u4e8b\u52d9\u8655\u7406<\/h3>\n<p>\u5728\u57f7\u884c\u591a\u6b65\u64cd\u4f5c\u6642\uff0c\u61c9\u4f7f\u7528\u4e8b\u52d9\u4f86\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528\u4e8b\u52d9\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>BEGIN TRANSACTION;\nUPDATE accounts SET balance = balance - 100 WHERE id = 1;\nUPDATE accounts SET balance = balance + 100 WHERE id = 2;\nCOMMIT;<\/code><\/pre>\n<h3 id=\"4-%e5%ae%9a%e6%9c%9f%e5%82%99%e4%bb%bd%e6%95%b8%e6%93%9a-GVVsuRduWH\">4. \u5b9a\u671f\u5099\u4efd\u6578\u64da<\/h3>\n<p>\u5b9a\u671f\u5099\u4efd\u6578\u64da\u662f\u9632\u6b62\u6578\u64da\u4e1f\u5931\u7684\u91cd\u8981\u63aa\u65bd\u3002\u5373\u4f7f\u767c\u751f\u610f\u5916\u60c5\u6cc1\uff0c\u5099\u4efd\u4e5f\u80fd\u5e6b\u52a9\u6062\u5fa9\u6578\u64da\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-GVVsuRduWH\">\u7d50\u8ad6<\/h2>\n<p>\u4fee\u5fa9\u6578\u64da\u5eab\u8a9e\u53e5SQL\u662f\u78ba\u4fdd\u6578\u64da\u5b89\u5168\u548c\u5b8c\u6574\u6027\u7684\u95dc\u9375\u3002\u901a\u904e\u9075\u5faa\u6700\u4f73\u5be6\u8e10\uff0c\u5982\u4f7f\u7528\u53c3\u6578\u5316\u67e5\u8a62\u3001\u6aa2\u67e5\u6578\u64da\u985e\u578b\u3001\u4f7f\u7528\u4e8b\u52d9\u8655\u7406\u548c\u5b9a\u671f\u5099\u4efd\u6578\u64da\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u9632\u6b62\u6578\u64da\u4e1f\u5931\u548c\u5b89\u5168\u6cc4\u6f0f\u3002\u96a8\u8457\u6280\u8853\u7684\u767c\u5c55\uff0c\u4fdd\u6301\u5c0d\u6578\u64da\u5eab\u5b89\u5168\u6027\u7684\u95dc\u6ce8\u5c07\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u6258\u7ba1\u60a8\u7684\u6578\u64da\u5eab\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u7a69\u5b9a\u6027\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4fee\u5fa9\u6578\u64da\u5eab\u8a9e\u53e5SQL\u6307\u5357\uff0c\u5e6b\u52a9\u9632\u6b62\u6578\u64da\u4e1f\u5931\u8207\u5b89\u5168\u6cc4\u6f0f\uff0c\u78ba\u4fdd\u6578\u64da\u5b8c\u6574\u6027\u8207\u7cfb\u7d71\u7a69\u5b9a\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-193241","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193241","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=193241"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193241\/revisions"}],"predecessor-version":[{"id":193242,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193241\/revisions\/193242"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=193241"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=193241"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=193241"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}