{"id":143953,"date":"2024-11-01T02:38:19","date_gmt":"2024-10-31T18:38:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/143953\/"},"modified":"2024-11-01T02:38:20","modified_gmt":"2024-10-31T18:38:20","slug":"sql-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%98%e5%84%b2%e8%aa%b2%e7%a8%8b%e8%a1%a8%e7%9a%84%e5%af%a6%e7%8f%be%e6%96%b9%e6%b3%95-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%a6%82%e4%bd%95%e5%ad%98%e5%84%b2%e8%aa%b2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/143953\/","title":{"rendered":"SQL \u6578\u64da\u5eab\u5b58\u5132\u8ab2\u7a0b\u8868\u7684\u5be6\u73fe\u65b9\u6cd5 (\u6578\u64da\u5eab\u5982\u4f55\u5b58\u5132\u8ab2\u7a0b\u8ab2\u7a0b\u8868)"},"content":{"rendered":"<h1 id=\"sql-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%98%e5%84%b2%e8%aa%b2%e7%a8%8b%e8%a1%a8%e7%9a%84%e5%af%a6%e7%8f%be%e6%96%b9%e6%b3%95-kiIMLMzGZf\">SQL \u6578\u64da\u5eab\u5b58\u5132\u8ab2\u7a0b\u8868\u7684\u5be6\u73fe\u65b9\u6cd5<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6559\u80b2\u74b0\u5883\u4e2d\uff0c\u8ab2\u7a0b\u8868\u7684\u7ba1\u7406\u5c0d\u65bc\u5b78\u6821\u548c\u6559\u80b2\u6a5f\u69cb\u4f86\u8aaa\u81f3\u95dc\u91cd\u8981\u3002\u96a8\u8457\u6578\u5b57\u5316\u7684\u63a8\u9032\uff0c\u4f7f\u7528 SQL \u6578\u64da\u5eab\u4f86\u5b58\u5132\u548c\u7ba1\u7406\u8ab2\u7a0b\u8868\u6210\u70ba\u4e86\u4e00\u7a2e\u6d41\u884c\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528 SQL \u6578\u64da\u5eab\u4f86\u5be6\u73fe\u8ab2\u7a0b\u8868\u7684\u5b58\u5132\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e8%aa%b2%e7%a8%8b%e8%a1%a8%e7%9a%84%e5%9f%ba%e6%9c%ac%e7%b5%90%e6%a7%8b-kiIMLMzGZf\">\u8ab2\u7a0b\u8868\u7684\u57fa\u672c\u7d50\u69cb<\/h2>\n<p>\u5728\u8a2d\u8a08\u8ab2\u7a0b\u8868\u7684\u6578\u64da\u5eab\u6642\uff0c\u9996\u5148\u9700\u8981\u78ba\u5b9a\u5176\u57fa\u672c\u7d50\u69cb\u3002\u4e00\u822c\u4f86\u8aaa\uff0c\u8ab2\u7a0b\u8868\u61c9\u8a72\u5305\u542b\u4ee5\u4e0b\u5e7e\u500b\u4e3b\u8981\u5143\u7d20\uff1a<\/p>\n<ul>\n<li><strong>\u8ab2\u7a0bID<\/strong>\uff1a\u6bcf\u9580\u8ab2\u7a0b\u7684\u552f\u4e00\u6a19\u8b58\u7b26\u3002<\/li>\n<li><strong>\u8ab2\u7a0b\u540d\u7a31<\/strong>\uff1a\u8ab2\u7a0b\u7684\u540d\u7a31\u3002<\/li>\n<li><strong>\u6388\u8ab2\u6559\u5e2b<\/strong>\uff1a\u8ca0\u8cac\u6388\u8ab2\u7684\u6559\u5e2b\u59d3\u540d\u3002<\/li>\n<li><strong>\u4e0a\u8ab2\u6642\u9593<\/strong>\uff1a\u8ab2\u7a0b\u7684\u4e0a\u8ab2\u6642\u9593\u3002<\/li>\n<li><strong>\u4e0a\u8ab2\u5730\u9ede<\/strong>\uff1a\u8ab2\u7a0b\u7684\u4e0a\u8ab2\u5730\u9ede\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%ad%e8%a8%88-kiIMLMzGZf\">\u6578\u64da\u5eab\u8a2d\u8a08<\/h2>\n<p>\u5728 SQL \u6578\u64da\u5eab\u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u4e00\u500b\u540d\u70ba <code>courses<\/code> \u7684\u8868\u4f86\u5b58\u5132\u4e0a\u8ff0\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u8a72\u8868\u7684 SQL \u8a9e\u53e5\uff1a<\/p>\n<pre><code>CREATE TABLE courses (\n    course_id INT PRIMARY KEY AUTO_INCREMENT,\n    course_name VARCHAR(100) NOT NULL,\n    instructor_name VARCHAR(100) NOT NULL,\n    class_time DATETIME NOT NULL,\n    location VARCHAR(100) NOT NULL\n);<\/code><\/pre>\n<p>\u5728\u9019\u500b\u8868\u4e2d\uff0c<code>course_id<\/code> \u662f\u81ea\u52d5\u589e\u9577\u7684\u4e3b\u9375\uff0c\u78ba\u4fdd\u6bcf\u9580\u8ab2\u7a0b\u90fd\u6709\u552f\u4e00\u7684\u6a19\u8b58\u7b26\u3002\u5176\u4ed6\u5b57\u6bb5\u5247\u7528\u65bc\u5b58\u5132\u8ab2\u7a0b\u7684\u8a73\u7d30\u4fe1\u606f\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e6%8f%92%e5%85%a5-kiIMLMzGZf\">\u6578\u64da\u63d2\u5165<\/h2>\n<p>\u5275\u5efa\u8868\u5f8c\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 <code>INSERT<\/code> \u8a9e\u53e5\u5c07\u8ab2\u7a0b\u6578\u64da\u63d2\u5165\u5230\u6578\u64da\u5eab\u4e2d\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>INSERT INTO courses (course_name, instructor_name, class_time, location) \nVALUES ('\u6578\u64da\u5eab\u7cfb\u7d71', '\u5f35\u8001\u5e2b', '2023-09-01 09:00:00', '\u6559\u5ba4101');<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u4e00\u9580\u540d\u70ba\u300c\u6578\u64da\u5eab\u7cfb\u7d71\u300d\u7684\u8ab2\u7a0b\u63d2\u5165\u5230 <code>courses<\/code> \u8868\u4e2d\uff0c\u4e26\u6307\u5b9a\u4e86\u6388\u8ab2\u6559\u5e2b\u548c\u4e0a\u8ab2\u6642\u9593\u53ca\u5730\u9ede\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e6%9f%a5%e8%a9%a2-kiIMLMzGZf\">\u6578\u64da\u67e5\u8a62<\/h2>\n<p>\u70ba\u4e86\u67e5\u770b\u8ab2\u7a0b\u8868\u4e2d\u7684\u6240\u6709\u8ab2\u7a0b\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 <code>SELECT<\/code> \u8a9e\u53e5\uff1a<\/p>\n<pre><code>SELECT * FROM courses;<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u8fd4\u56de <code>courses<\/code> \u8868\u4e2d\u7684\u6240\u6709\u8a18\u9304\uff0c\u65b9\u4fbf\u7528\u6236\u67e5\u770b\u6240\u6709\u8ab2\u7a0b\u7684\u8a73\u7d30\u4fe1\u606f\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e6%9b%b4%e6%96%b0%e8%88%87%e5%88%aa%e9%99%a4-kiIMLMzGZf\">\u6578\u64da\u66f4\u65b0\u8207\u522a\u9664<\/h2>\n<p>\u5728\u7ba1\u7406\u8ab2\u7a0b\u8868\u7684\u904e\u7a0b\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u66f4\u65b0\u6216\u522a\u9664\u67d0\u4e9b\u8ab2\u7a0b\u3002\u4ee5\u4e0b\u662f\u66f4\u65b0\u548c\u522a\u9664\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>-- \u66f4\u65b0\u8ab2\u7a0b\u540d\u7a31\nUPDATE courses \nSET course_name = '\u9032\u968e\u6578\u64da\u5eab\u7cfb\u7d71' \nWHERE course_id = 1;\n\n-- \u522a\u9664\u8ab2\u7a0b\nDELETE FROM courses \nWHERE course_id = 1;<\/code><\/pre>\n<p>\u9019\u4e9b\u64cd\u4f5c\u4f7f\u5f97\u8ab2\u7a0b\u8868\u7684\u7ba1\u7406\u66f4\u52a0\u9748\u6d3b\uff0c\u80fd\u5920\u96a8\u6642\u6839\u64da\u9700\u8981\u9032\u884c\u8abf\u6574\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-kiIMLMzGZf\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4f7f\u7528 SQL \u6578\u64da\u5eab\u4f86\u5b58\u5132\u548c\u7ba1\u7406\u8ab2\u7a0b\u8868\uff0c\u6559\u80b2\u6a5f\u69cb\u53ef\u4ee5\u6709\u6548\u5730\u7d44\u7e54\u548c\u67e5\u8a62\u8ab2\u7a0b\u4fe1\u606f\u3002\u672c\u6587\u4ecb\u7d39\u4e86\u8ab2\u7a0b\u8868\u7684\u57fa\u672c\u7d50\u69cb\u3001\u6578\u64da\u5eab\u8a2d\u8a08\u3001\u6578\u64da\u63d2\u5165\u3001\u67e5\u8a62\u3001\u66f4\u65b0\u548c\u522a\u9664\u7684\u57fa\u672c\u64cd\u4f5c\uff0c\u9019\u4e9b\u90fd\u662f\u5be6\u73fe\u8ab2\u7a0b\u8868\u7ba1\u7406\u7684\u95dc\u9375\u6b65\u9a5f\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\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u7528\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\u7d22SQL\u6578\u64da\u5eab\u5982\u4f55\u6709\u6548\u5b58\u5132\u8ab2\u7a0b\u8868\uff0c\u4e86\u89e3\u6578\u64da\u7d50\u69cb\u3001\u67e5\u8a62\u512a\u5316\u53ca\u5be6\u73fe\u65b9\u6cd5\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\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-143953","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/143953","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=143953"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/143953\/revisions"}],"predecessor-version":[{"id":143954,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/143953\/revisions\/143954"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=143953"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=143953"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=143953"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}