{"id":75636,"date":"2024-10-15T23:57:16","date_gmt":"2024-10-15T15:57:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/75636\/"},"modified":"2024-10-15T23:57:17","modified_gmt":"2024-10-15T15:57:17","slug":"mysql-%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%bb%e8%a6%81%e7%89%b9%e6%80%a7%e7%9a%84%e8%a1%a8%e7%8f%be","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/75636\/","title":{"rendered":"MySQL \u6578\u64da\u5eab\u4e3b\u8981\u7279\u6027\u7684\u8868\u73fe"},"content":{"rendered":"

MySQL \u6578\u64da\u5eab\u4e3b\u8981\u7279\u6027\u7684\u8868\u73fe<\/h1>\n

MySQL \u662f\u4e00\u7a2e\u6d41\u884c\u7684\u958b\u6e90\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u5b83\u4ee5\u5176\u9ad8\u6548\u80fd\u3001\u53ef\u9760\u6027\u548c\u9748\u6d3b\u6027\u800c\u805e\u540d\uff0c\u7279\u5225\u662f\u5728\u7db2\u7d61\u61c9\u7528\u548c\u6578\u64da\u9a45\u52d5\u7684\u74b0\u5883\u4e2d\u3002\u672c\u6587\u5c07\u63a2\u8a0e MySQL \u7684\u4e3b\u8981\u7279\u6027\u53ca\u5176\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u7684\u8868\u73fe\u3002<\/p>\n

1. \u6578\u64da\u5b8c\u6574\u6027<\/h2>\n

MySQL \u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u5b8c\u6574\u6027\u7d04\u675f\uff0c\u5305\u62ec\u4e3b\u9375\u3001\u5916\u9375\u3001\u552f\u4e00\u6027\u7d04\u675f\u548c\u6aa2\u67e5\u7d04\u675f\u3002\u9019\u4e9b\u7d04\u675f\u78ba\u4fdd\u4e86\u6578\u64da\u7684\u6e96\u78ba\u6027\u548c\u4e00\u81f4\u6027\u3002\u4f8b\u5982\uff0c\u901a\u904e\u8a2d\u7f6e\u5916\u9375\u7d04\u675f\uff0c\u53ef\u4ee5\u9632\u6b62\u5728\u5b50\u8868\u4e2d\u63d2\u5165\u4e0d\u5728\u7236\u8868\u4e2d\u7684\u6578\u64da\uff0c\u5f9e\u800c\u7dad\u8b77\u6578\u64da\u4e4b\u9593\u7684\u95dc\u806f\u6027\u3002<\/p>\n

CREATE TABLE orders (\n    order_id INT PRIMARY KEY,\n    customer_id INT,\n    FOREIGN KEY (customer_id) REFERENCES customers(customer_id)\n);<\/code><\/pre>\n
2. \u9ad8\u6548\u7684\u67e5\u8a62\u6027\u80fd<\/h2>\n
MySQL \u4f7f\u7528\u4e86\u591a\u7a2e\u512a\u5316\u6280\u8853\u4f86\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u5305\u62ec\u7d22\u5f15\u3001\u67e5\u8a62\u7de9\u5b58\u548c\u57f7\u884c\u8a08\u5283\u512a\u5316\u3002\u7d22\u5f15\u53ef\u4ee5\u986f\u8457\u52a0\u5feb\u67e5\u8a62\u901f\u5ea6\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002MySQL \u652f\u6301\u591a\u7a2e\u7d22\u5f15\u985e\u578b\uff0c\u5982 B-tree \u548c\u54c8\u5e0c\u7d22\u5f15\uff0c\u6839\u64da\u4e0d\u540c\u7684\u67e5\u8a62\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u7d22\u5f15\u985e\u578b\u53ef\u4ee5\u9032\u4e00\u6b65\u63d0\u5347\u6027\u80fd\u3002<\/p>\n
CREATE INDEX idx_customer_name ON customers(name);<\/code><\/pre>\n
3. \u4e8b\u52d9\u652f\u6301<\/h2>\n
MySQL \u652f\u6301\u4e8b\u52d9\u8655\u7406\uff0c\u9019\u5c0d\u65bc\u9700\u8981\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u7684\u61c9\u7528\u7a0b\u5e8f\u81f3\u95dc\u91cd\u8981\u3002\u4e8b\u52d9\u7684 ACID\uff08\u539f\u5b50\u6027\u3001\u4e00\u81f4\u6027\u3001\u9694\u96e2\u6027\u3001\u6301\u4e45\u6027\uff09\u7279\u6027\u78ba\u4fdd\u4e86\u6578\u64da\u5728\u591a\u7528\u6236\u74b0\u5883\u4e2d\u7684\u5b89\u5168\u6027\u3002\u4f7f\u7528 InnoDB \u5b58\u5132\u5f15\u64ce\u6642\uff0cMySQL \u63d0\u4f9b\u4e86\u5b8c\u6574\u7684\u4e8b\u52d9\u652f\u6301\u3002<\/p>\n
START TRANSACTION;\nINSERT INTO accounts (user_id, balance) VALUES (1, 100);\nUPDATE accounts SET balance = balance - 100 WHERE user_id = 2;\nCOMMIT;<\/code><\/pre>\n
4. \u53ef\u64f4\u5c55\u6027<\/h2>\n
MySQL \u7684\u53ef\u64f4\u5c55\u6027\u4f7f\u5176\u80fd\u5920\u8655\u7406\u5f9e\u5c0f\u578b\u5230\u5927\u578b\u7684\u6578\u64da\u96c6\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0cMySQL \u53ef\u4ee5\u901a\u904e\u5206\u5340\u3001\u8907\u88fd\u548c\u96c6\u7fa4\u7b49\u6280\u8853\u4f86\u64f4\u5c55\u3002\u9019\u4e9b\u6280\u8853\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6027\u80fd\uff0c\u9084\u589e\u5f37\u4e86\u7cfb\u7d71\u7684\u53ef\u7528\u6027\u548c\u5bb9\u932f\u80fd\u529b\u3002<\/p>\n
5. \u8de8\u5e73\u53f0\u652f\u6301<\/h2>\n
MySQL \u53ef\u4ee5\u5728\u591a\u7a2e\u64cd\u4f5c\u7cfb\u7d71\u4e0a\u904b\u884c\uff0c\u5305\u62ec Windows\u3001Linux \u548c macOS\u3002\u9019\u4f7f\u5f97\u958b\u767c\u8005\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u74b0\u5883\u4e2d\u90e8\u7f72\u61c9\u7528\u7a0b\u5e8f\uff0c\u800c\u4e0d\u5fc5\u64d4\u5fc3\u6578\u64da\u5eab\u7684\u517c\u5bb9\u6027\u554f\u984c\u3002<\/p>\n
6. \u793e\u5340\u652f\u6301\u8207\u6587\u6a94<\/h2>\n
\u4f5c\u70ba\u4e00\u500b\u958b\u6e90\u9805\u76ee\uff0cMySQL \u64c1\u6709\u6d3b\u8e8d\u7684\u793e\u5340\u652f\u6301\u548c\u8c50\u5bcc\u7684\u6587\u6a94\u8cc7\u6e90\u3002\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u627e\u5230\u89e3\u6c7a\u65b9\u6848\u548c\u6700\u4f73\u5be6\u8e10\uff0c\u9019\u5c0d\u65bc\u5feb\u901f\u89e3\u6c7a\u554f\u984c\u548c\u63d0\u9ad8\u958b\u767c\u6548\u7387\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
MySQL \u6578\u64da\u5eab\u4ee5\u5176\u5f37\u5927\u7684\u6578\u64da\u5b8c\u6574\u6027\u3001\u9ad8\u6548\u7684\u67e5\u8a62\u6027\u80fd\u3001\u4e8b\u52d9\u652f\u6301\u3001\u53ef\u64f4\u5c55\u6027\u3001\u8de8\u5e73\u53f0\u652f\u6301\u4ee5\u53ca\u8c50\u5bcc\u7684\u793e\u5340\u8cc7\u6e90\u800c\u53d7\u5230\u5ee3\u6cdb\u9752\u775e\u3002\u9019\u4e9b\u7279\u6027\u4f7f\u5f97 MySQL \u6210\u70ba\u8a31\u591a\u4f01\u696d\u548c\u958b\u767c\u8005\u7684\u9996\u9078\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 \u9999\u6e2fVPS<\/a> \u4f86\u904b\u884c MySQL \u6578\u64da\u5eab\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9748\u6d3b\u7684\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u9805\u76ee\u9084\u662f\u5927\u578b\u61c9\u7528\uff0c\u60a8\u90fd\u53ef\u4ee5\u5728\u6211\u5011\u7684 \u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u4e0a\u7372\u5f97\u5353\u8d8a\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22MySQL\u6578\u64da\u5eab\u7684\u4e3b\u8981\u7279\u6027\uff0c\u5305\u62ec\u9ad8\u6548\u6027\u80fd\u3001\u9748\u6d3b\u6027\u3001\u5b89\u5168\u6027\u53ca\u53ef\u64f4\u5c55\u6027\uff0c\u52a9\u529b\u6578\u64da\u7ba1\u7406\u8207\u61c9\u7528\u958b\u767c\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-75636","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75636","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=75636"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75636\/revisions"}],"predecessor-version":[{"id":75637,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75636\/revisions\/75637"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=75636"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=75636"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=75636"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}