{"id":151569,"date":"2024-11-01T17:42:24","date_gmt":"2024-11-01T09:42:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/151569\/"},"modified":"2024-11-01T17:42:25","modified_gmt":"2024-11-01T09:42:25","slug":"%e7%8f%ad%e7%b4%9a%e8%a1%a8%e8%bc%95%e9%ac%86%e7%ae%a1%e7%90%86-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%82%ba%e6%82%a8%e6%b7%bb%e7%a3%9a%e5%8a%a0%e7%93%a6-%e7%8f%ad%e7%b4%9a%e8%a1%a8%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/151569\/","title":{"rendered":"\u73ed\u7d1a\u8868\u8f15\u9b06\u7ba1\u7406\u2014\u2014\u6578\u64da\u5eab\u70ba\u60a8\u6dfb\u78da\u52a0\u74e6 (\u73ed\u7d1a\u8868\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"%e7%8f%ad%e7%b4%9a%e8%a1%a8%e8%bc%95%e9%ac%86%e7%ae%a1%e7%90%86-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%82%ba%e6%82%a8%e6%b7%bb%e7%a3%9a%e5%8a%a0%e7%93%a6-%e7%8f%ad%e7%b4%9a%e8%a1%a8%e6%95%b8-lZlfqxhLCz\">\u73ed\u7d1a\u8868\u8f15\u9b06\u7ba1\u7406\u2014\u2014\u6578\u64da\u5eab\u70ba\u60a8\u6dfb\u78da\u52a0\u74e6 (\u73ed\u7d1a\u8868\u6578\u64da\u5eab)<\/h1>\n<p>\u5728\u73fe\u4eca\u7684\u6559\u80b2\u74b0\u5883\u4e2d\uff0c\u73ed\u7d1a\u8868\u7684\u7ba1\u7406\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u96a8\u8457\u5b78\u751f\u4eba\u6578\u7684\u589e\u52a0\u548c\u8ab2\u7a0b\u5b89\u6392\u7684\u8907\u96dc\u5316\uff0c\u50b3\u7d71\u7684\u624b\u52d5\u7ba1\u7406\u65b9\u5f0f\u5df2\u7d93\u7121\u6cd5\u6eff\u8db3\u9700\u6c42\u3002\u6578\u64da\u5eab\u6280\u8853\u7684\u5f15\u5165\uff0c\u70ba\u73ed\u7d1a\u8868\u7684\u7ba1\u7406\u63d0\u4f9b\u4e86\u4e00\u500b\u9ad8\u6548\u3001\u9748\u6d3b\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528\u6578\u64da\u5eab\u4f86\u8f15\u9b06\u7ba1\u7406\u73ed\u7d1a\u8868\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\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-lZlfqxhLCz\">\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\u7528\u65bc\u5b58\u5132\u3001\u7ba1\u7406\u548c\u6aa2\u7d22\u4fe1\u606f\u3002\u5c0d\u65bc\u73ed\u7d1a\u8868\u7684\u7ba1\u7406\uff0c\u6578\u64da\u5eab\u53ef\u4ee5\u5e6b\u52a9\u6559\u80b2\u5de5\u4f5c\u8005\u66f4\u597d\u5730\u8ddf\u8e64\u5b78\u751f\u7684\u51fa\u52e4\u3001\u6210\u7e3e\u548c\u8ab2\u7a0b\u5b89\u6392\u3002\u5e38\u898b\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u5305\u62ec MySQL\u3001PostgreSQL \u548c SQLite \u7b49\u3002<\/p>\n<h2 id=\"%e7%8f%ad%e7%b4%9a%e8%a1%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e8%a8%ad%e8%a8%88-lZlfqxhLCz\">\u73ed\u7d1a\u8868\u6578\u64da\u5eab\u7684\u8a2d\u8a08<\/h2>\n<p>\u5728\u8a2d\u8a08\u73ed\u7d1a\u8868\u6578\u64da\u5eab\u6642\uff0c\u9996\u5148\u9700\u8981\u78ba\u5b9a\u6578\u64da\u5eab\u7684\u7d50\u69cb\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u57fa\u672c\u7684\u6578\u64da\u8868\u8a2d\u8a08\uff1a<\/p>\n<ul>\n<li><strong>\u5b78\u751f\u8868 (Students)<\/strong>\n<ul>\n<li>\u5b78\u751fID (StudentID)<\/li>\n<li>\u59d3\u540d (Name)<\/li>\n<li>\u5e74\u7d1a (Grade)<\/li>\n<li>\u806f\u7d61\u96fb\u8a71 (ContactNumber)<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u8ab2\u7a0b\u8868 (Courses)<\/strong>\n<ul>\n<li>\u8ab2\u7a0bID (CourseID)<\/li>\n<li>\u8ab2\u7a0b\u540d\u7a31 (CourseName)<\/li>\n<li>\u6559\u5e2bID (TeacherID)<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u51fa\u52e4\u8868 (Attendance)<\/strong>\n<ul>\n<li>\u51fa\u52e4ID (AttendanceID)<\/li>\n<li>\u5b78\u751fID (StudentID)<\/li>\n<li>\u8ab2\u7a0bID (CourseID)<\/li>\n<li>\u51fa\u52e4\u65e5\u671f (Date)<\/li>\n<li>\u72c0\u614b (Status)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c%e7%a4%ba%e4%be%8b-lZlfqxhLCz\">\u6578\u64da\u5eab\u64cd\u4f5c\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u57fa\u672c\u7684 SQL \u67e5\u8a62\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728\u73ed\u7d1a\u8868\u6578\u64da\u5eab\u4e2d\u9032\u884c\u64cd\u4f5c\uff1a<\/p>\n<h3 id=\"1-%e6%8f%92%e5%85%a5%e6%96%b0%e5%ad%b8%e7%94%9f-lZlfqxhLCz\">1. \u63d2\u5165\u65b0\u5b78\u751f<\/h3>\n<pre><code>INSERT INTO Students (StudentID, Name, Grade, ContactNumber) \nVALUES (1, '\u5f35\u4e09', '\u4e94\u5e74\u7d1a', '12345678');<\/code><\/pre>\n<h3 id=\"2-%e6%9f%a5%e8%a9%a2%e6%89%80%e6%9c%89%e5%ad%b8%e7%94%9f-lZlfqxhLCz\">2. \u67e5\u8a62\u6240\u6709\u5b78\u751f<\/h3>\n<pre><code>SELECT * FROM Students;<\/code><\/pre>\n<h3 id=\"3-%e6%9b%b4%e6%96%b0%e5%ad%b8%e7%94%9f%e4%bf%a1%e6%81%af-lZlfqxhLCz\">3. \u66f4\u65b0\u5b78\u751f\u4fe1\u606f<\/h3>\n<pre><code>UPDATE Students \nSET ContactNumber = '87654321' \nWHERE StudentID = 1;<\/code><\/pre>\n<h3 id=\"4-%e6%9f%a5%e8%a9%a2%e6%9f%90%e8%aa%b2%e7%a8%8b%e7%9a%84%e5%87%ba%e5%8b%a4%e6%83%85%e6%b3%81-lZlfqxhLCz\">4. \u67e5\u8a62\u67d0\u8ab2\u7a0b\u7684\u51fa\u52e4\u60c5\u6cc1<\/h3>\n<pre><code>SELECT Students.Name, Attendance.Status \nFROM Attendance \nJOIN Students ON Attendance.StudentID = Students.StudentID \nWHERE Attendance.CourseID = 101;<\/code><\/pre>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%84%aa%e5%8b%a2-lZlfqxhLCz\">\u6578\u64da\u5eab\u7684\u512a\u52e2<\/h2>\n<p>\u4f7f\u7528\u6578\u64da\u5eab\u7ba1\u7406\u73ed\u7d1a\u8868\u6709\u591a\u500b\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6548\u6027\uff1a<\/strong>\u6578\u64da\u5eab\u80fd\u5920\u5feb\u901f\u8655\u7406\u5927\u91cf\u6578\u64da\uff0c\u4e26\u652f\u6301\u8907\u96dc\u67e5\u8a62\u3002<\/li>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>\u53ef\u4ee5\u6839\u64da\u9700\u8981\u96a8\u6642\u66f4\u65b0\u548c\u64f4\u5c55\u6578\u64da\u7d50\u69cb\u3002<\/li>\n<li><strong>\u5b89\u5168\u6027\uff1a<\/strong>\u6578\u64da\u5eab\u7cfb\u7d71\u901a\u5e38\u63d0\u4f9b\u591a\u5c64\u5b89\u5168\u63aa\u65bd\uff0c\u4fdd\u8b77\u654f\u611f\u4fe1\u606f\u3002<\/li>\n<li><strong>\u53ef\u64f4\u5c55\u6027\uff1a<\/strong>\u96a8\u8457\u5b78\u6821\u898f\u6a21\u7684\u64f4\u5927\uff0c\u6578\u64da\u5eab\u53ef\u4ee5\u8f15\u9b06\u64f4\u5c55\u4ee5\u5bb9\u7d0d\u66f4\u591a\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-lZlfqxhLCz\">\u7d50\u8ad6<\/h2>\n<p>\u73ed\u7d1a\u8868\u7684\u7ba1\u7406\u4e0d\u518d\u662f\u7e41\u7463\u7684\u4efb\u52d9\uff0c\u901a\u904e\u6578\u64da\u5eab\u6280\u8853\u7684\u61c9\u7528\uff0c\u6559\u80b2\u5de5\u4f5c\u8005\u53ef\u4ee5\u66f4\u9ad8\u6548\u5730\u7ba1\u7406\u5b78\u751f\u4fe1\u606f\u3001\u8ab2\u7a0b\u5b89\u6392\u548c\u51fa\u52e4\u8a18\u9304\u3002\u96a8\u8457\u6280\u8853\u7684\u9032\u6b65\uff0c\u672a\u4f86\u7684\u73ed\u7d1a\u7ba1\u7406\u5c07\u66f4\u52a0\u667a\u80fd\u5316\u548c\u81ea\u52d5\u5316\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u4f7f\u7528\u6578\u64da\u5eab\u9032\u884c\u73ed\u7d1a\u8868\u7ba1\u7406\u6709\u8208\u8da3\uff0c\u6216\u8005\u60f3\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u548c <a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a> \u7684\u8cc7\u8a0a\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8f15\u9b06\u7ba1\u7406\u73ed\u7d1a\u8868\uff0c\u6578\u64da\u5eab\u52a9\u60a8\u9ad8\u6548\u7d44\u7e54\u8207\u8ffd\u8e64\u5b78\u751f\u4fe1\u606f\uff0c\u63d0\u5347\u6559\u5b78\u6548\u7387\uff0c\u8b93\u7ba1\u7406\u8b8a\u5f97\u7c21\u55ae\u53c8\u4fbf\u6377\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-151569","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/151569","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=151569"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/151569\/revisions"}],"predecessor-version":[{"id":151570,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/151569\/revisions\/151570"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=151569"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=151569"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=151569"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}