{"id":75564,"date":"2024-10-15T23:50:37","date_gmt":"2024-10-15T15:50:37","guid":{"rendered":"https:\/\/server.hk\/cnblog\/75564\/"},"modified":"2024-10-15T23:50:37","modified_gmt":"2024-10-15T15:50:37","slug":"mysql-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%ae%a1%e7%90%86%ef%bc%9a%e5%ad%b8%e7%94%9f%e4%bf%a1%e6%81%af%e7%b3%bb%e7%b5%b1%ef%bc%88studb%ef%bc%89-mysql%e6%95%b8%e6%93%9a%e5%ba%abstudb","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/75564\/","title":{"rendered":"MySQL \u6578\u64da\u5eab\u7ba1\u7406\uff1a\u5b78\u751f\u4fe1\u606f\u7cfb\u7d71\uff08StudB\uff09 (MySQL\u6578\u64da\u5eabStudB)"},"content":{"rendered":"<h1 id=\"mysql-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%ae%a1%e7%90%86%ef%bc%9a%e5%ad%b8%e7%94%9f%e4%bf%a1%e6%81%af%e7%b3%bb%e7%b5%b1%ef%bc%88studb%ef%bc%89-QPSZmXKNDy\">MySQL \u6578\u64da\u5eab\u7ba1\u7406\uff1a\u5b78\u751f\u4fe1\u606f\u7cfb\u7d71\uff08StudB\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u5b57\u5316\u6642\u4ee3\uff0c\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09\u5728\u5404\u7a2e\u61c9\u7528\u4e2d\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\u3002MySQL \u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u958b\u6e90\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u884c\u696d\uff0c\u7279\u5225\u662f\u5728\u6559\u80b2\u9818\u57df\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4e00\u500b\u540d\u70ba\u5b78\u751f\u4fe1\u606f\u7cfb\u7d71\uff08StudB\uff09\u7684 MySQL \u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u4e26\u5206\u6790\u5176\u8a2d\u8a08\u3001\u529f\u80fd\u53ca\u5be6\u73fe\u904e\u7a0b\u3002<\/p>\n<h2 id=\"%e5%ad%b8%e7%94%9f%e4%bf%a1%e6%81%af%e7%b3%bb%e7%b5%b1%ef%bc%88studb%ef%bc%89%e7%9a%84%e6%a6%82%e8%bf%b0-QPSZmXKNDy\">\u5b78\u751f\u4fe1\u606f\u7cfb\u7d71\uff08StudB\uff09\u7684\u6982\u8ff0<\/h2>\n<p>\u5b78\u751f\u4fe1\u606f\u7cfb\u7d71\uff08StudB\uff09\u662f\u4e00\u500b\u5c08\u70ba\u5b78\u6821\u548c\u6559\u80b2\u6a5f\u69cb\u8a2d\u8a08\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u3002\u5176\u4e3b\u8981\u76ee\u7684\u662f\u7ba1\u7406\u5b78\u751f\u7684\u57fa\u672c\u4fe1\u606f\u3001\u8ab2\u7a0b\u3001\u6210\u7e3e\u53ca\u5176\u4ed6\u76f8\u95dc\u6578\u64da\u3002StudB \u7684\u8a2d\u8a08\u65e8\u5728\u63d0\u9ad8\u6578\u64da\u7684\u53ef\u8a2a\u554f\u6027\u548c\u7ba1\u7406\u6548\u7387\uff0c\u4e26\u63d0\u4f9b\u4e00\u500b\u53cb\u597d\u7684\u7528\u6236\u754c\u9762\uff0c\u65b9\u4fbf\u6559\u8077\u54e1\u548c\u5b78\u751f\u4f7f\u7528\u3002<\/p>\n<h2 id=\"studb-%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%ad%e8%a8%88-QPSZmXKNDy\">StudB \u7684\u6578\u64da\u5eab\u8a2d\u8a08<\/h2>\n<p>\u5728\u8a2d\u8a08 StudB \u6578\u64da\u5eab\u6642\uff0c\u9996\u5148\u9700\u8981\u78ba\u5b9a\u6578\u64da\u6a21\u578b\u3002\u901a\u5e38\uff0c\u5b78\u751f\u4fe1\u606f\u7cfb\u7d71\u7684\u6578\u64da\u5eab\u6703\u5305\u542b\u4ee5\u4e0b\u5e7e\u500b\u4e3b\u8981\u8868\uff1a<\/p>\n<ul>\n<li><strong>\u5b78\u751f\u8868\uff08Students\uff09<\/strong>: \u5b58\u5132\u5b78\u751f\u7684\u57fa\u672c\u4fe1\u606f\uff0c\u5982\u59d3\u540d\u3001\u5b78\u865f\u3001\u51fa\u751f\u65e5\u671f\u7b49\u3002<\/li>\n<li><strong>\u8ab2\u7a0b\u8868\uff08Courses\uff09<\/strong>: \u5b58\u5132\u8ab2\u7a0b\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u5305\u62ec\u8ab2\u7a0b\u540d\u7a31\u3001\u8ab2\u7a0b\u4ee3\u78bc\u3001\u5b78\u5206\u7b49\u3002<\/li>\n<li><strong>\u6210\u7e3e\u8868\uff08Grades\uff09<\/strong>: \u5b58\u5132\u5b78\u751f\u5728\u5404\u500b\u8ab2\u7a0b\u4e2d\u7684\u6210\u7e3e\u3002<\/li>\n<li><strong>\u6559\u5e2b\u8868\uff08Teachers\uff09<\/strong>: \u5b58\u5132\u6559\u5e2b\u7684\u57fa\u672c\u4fe1\u606f\u53ca\u5176\u6559\u6388\u7684\u8ab2\u7a0b\u3002<\/li>\n<\/ul>\n<h3 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e7%b5%90%e6%a7%8b%e7%a4%ba%e4%be%8b-QPSZmXKNDy\">\u6578\u64da\u5eab\u8868\u7d50\u69cb\u793a\u4f8b<\/h3>\n<pre><code>\nCREATE TABLE Students (\n    student_id INT AUTO_INCREMENT PRIMARY KEY,\n    name VARCHAR(100) NOT NULL,\n    birth_date DATE,\n    enrollment_date DATE\n);\n\nCREATE TABLE Courses (\n    course_id INT AUTO_INCREMENT PRIMARY KEY,\n    course_name VARCHAR(100) NOT NULL,\n    course_code VARCHAR(10) NOT NULL,\n    credits INT NOT NULL\n);\n\nCREATE TABLE Grades (\n    grade_id INT AUTO_INCREMENT PRIMARY KEY,\n    student_id INT,\n    course_id INT,\n    grade DECIMAL(3, 2),\n    FOREIGN KEY (student_id) REFERENCES Students(student_id),\n    FOREIGN KEY (course_id) REFERENCES Courses(course_id)\n);\n\nCREATE TABLE Teachers (\n    teacher_id INT AUTO_INCREMENT PRIMARY KEY,\n    name VARCHAR(100) NOT NULL,\n    subject VARCHAR(100) NOT NULL\n);\n<\/code><\/pre>\n<h2 id=\"%e5%8a%9f%e8%83%bd%e5%af%a6%e7%8f%be-QPSZmXKNDy\">\u529f\u80fd\u5be6\u73fe<\/h2>\n<p>StudB \u7684\u529f\u80fd\u4e3b\u8981\u5305\u62ec\u6578\u64da\u7684\u589e\u522a\u6539\u67e5\uff08CRUD\uff09\u64cd\u4f5c\u3002\u9019\u4e9b\u64cd\u4f5c\u53ef\u4ee5\u901a\u904e SQL \u8a9e\u53e5\u4f86\u5be6\u73fe\u3002\u4f8b\u5982\uff0c\u82e5\u8981\u6dfb\u52a0\u4e00\u540d\u65b0\u5b78\u751f\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u8a9e\u53e5\uff1a<\/p>\n<pre><code>\nINSERT INTO Students (name, birth_date, enrollment_date)\nVALUES ('\u5f35\u4e09', '2000-01-01', '2018-09-01');\n<\/code><\/pre>\n<p>\u540c\u6a23\uff0c\u82e5\u8981\u67e5\u8a62\u67d0\u4f4d\u5b78\u751f\u7684\u6210\u7e3e\uff0c\u53ef\u4ee5\u4f7f\u7528 JOIN \u8a9e\u53e5\u4f86\u9023\u63a5\u5b78\u751f\u8868\u548c\u6210\u7e3e\u8868\uff1a<\/p>\n<pre><code>\nSELECT Students.name, Grades.grade\nFROM Students\nJOIN Grades ON Students.student_id = Grades.student_id\nWHERE Students.name = '\u5f35\u4e09';\n<\/code><\/pre>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%ae%89%e5%85%a8%e6%80%a7%e8%88%87%e5%82%99%e4%bb%bd-QPSZmXKNDy\">\u6578\u64da\u5eab\u7684\u5b89\u5168\u6027\u8207\u5099\u4efd<\/h2>\n<p>\u5728\u7ba1\u7406\u5b78\u751f\u4fe1\u606f\u7cfb\u7d71\u6642\uff0c\u6578\u64da\u7684\u5b89\u5168\u6027\u81f3\u95dc\u91cd\u8981\u3002MySQL \u63d0\u4f9b\u4e86\u591a\u7a2e\u5b89\u5168\u63aa\u65bd\uff0c\u5982\u7528\u6236\u6b0a\u9650\u7ba1\u7406\u548c\u6578\u64da\u52a0\u5bc6\u3002\u6b64\u5916\uff0c\u5b9a\u671f\u5099\u4efd\u6578\u64da\u5eab\u4e5f\u662f\u4fdd\u8b77\u6578\u64da\u7684\u91cd\u8981\u624b\u6bb5\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u884c\u6578\u64da\u5eab\u5099\u4efd\uff1a<\/p>\n<pre><code>\nmysqldump -u username -p StudB &gt; StudB_backup.sql\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-QPSZmXKNDy\">\u7e3d\u7d50<\/h2>\n<p>MySQL \u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u5728\u5b78\u751f\u4fe1\u606f\u7cfb\u7d71\uff08StudB\uff09\u7684\u5be6\u73fe\u4e2d\u767c\u63ee\u4e86\u91cd\u8981\u4f5c\u7528\u3002\u901a\u904e\u5408\u7406\u7684\u6578\u64da\u5eab\u8a2d\u8a08\u548c\u529f\u80fd\u5be6\u73fe\uff0cStudB \u80fd\u5920\u6709\u6548\u5730\u7ba1\u7406\u5b78\u751f\u7684\u5404\u985e\u4fe1\u606f\uff0c\u4e26\u63d0\u4f9b\u4fbf\u6377\u7684\u67e5\u8a62\u529f\u80fd\u3002\u96a8\u8457\u6280\u8853\u7684\u767c\u5c55\uff0c\u672a\u4f86\u7684\u5b78\u751f\u4fe1\u606f\u7cfb\u7d71\u5c07\u6703\u66f4\u52a0\u667a\u80fd\u5316\u548c\u81ea\u52d5\u5316\uff0c\u9032\u4e00\u6b65\u63d0\u5347\u6559\u80b2\u7ba1\u7406\u7684\u6548\u7387\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u9999\u6e2f\u4f7f\u7528 <a href=\"https:\/\/server.hk\">VPS<\/a> \u4f86\u642d\u5efa\u81ea\u5df1\u7684 MySQL \u6578\u64da\u5eab\u611f\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22MySQL\u6578\u64da\u5eab\u7ba1\u7406\u7684\u5b78\u751f\u4fe1\u606f\u7cfb\u7d71\uff08StudB\uff09\uff0c\u9ad8\u6548\u7ba1\u7406\u5b78\u751f\u6578\u64da\uff0c\u63d0\u5347\u5b78\u6821\u904b\u71df\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-75564","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75564","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=75564"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75564\/revisions"}],"predecessor-version":[{"id":75565,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75564\/revisions\/75565"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=75564"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=75564"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=75564"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}