{"id":79700,"date":"2024-10-16T13:26:14","date_gmt":"2024-10-16T05:26:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/79700\/"},"modified":"2024-10-16T13:26:14","modified_gmt":"2024-10-16T05:26:14","slug":"mysql%e6%8c%87%e4%bb%a4-serial%ef%bc%88%e5%ba%8f%e5%88%97%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/79700\/","title":{"rendered":"MySQL\u6307\u4ee4: SERIAL\uff08\u5e8f\u5217\uff09"},"content":{"rendered":"<h1 id=\"mysql%e6%8c%87%e4%bb%a4-serial%ef%bc%88%e5%ba%8f%e5%88%97%ef%bc%89-dJpmoZAnbl\">MySQL\u6307\u4ee4: SERIAL\uff08\u5e8f\u5217\uff09<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0cMySQL\u662f\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u958b\u6e90\u8cc7\u6599\u5eab\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u529f\u80fd\u4f86\u652f\u6301\u6578\u64da\u7684\u5b58\u5132\u548c\u7ba1\u7406\u3002\u5176\u4e2d\uff0cSERIAL\uff08\u5e8f\u5217\uff09\u662f\u4e00\u500b\u91cd\u8981\u7684\u6578\u64da\u985e\u578b\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u81ea\u52d5\u751f\u6210\u552f\u4e00\u8b58\u5225\u78bc\u7684\u60c5\u6cc1\u4e0b\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eMySQL\u4e2d\u7684SERIAL\u6307\u4ee4\uff0c\u5305\u62ec\u5176\u5b9a\u7fa9\u3001\u7528\u6cd5\u53ca\u5be6\u969b\u7bc4\u4f8b\u3002<\/p>\n<h2 id=\"serial%e7%9a%84%e5%ae%9a%e7%be%a9-dJpmoZAnbl\">SERIAL\u7684\u5b9a\u7fa9<\/h2>\n<p>SERIAL\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u6578\u64da\u985e\u578b\uff0c\u5be6\u969b\u4e0a\u662fBIGINT UNSIGNED AUTO_INCREMENT NOT NULL\u7684\u7c21\u5beb\u3002\u9019\u610f\u5473\u8457\u7576\u4f60\u5728\u8868\u4e2d\u5b9a\u7fa9\u4e00\u500bSERIAL\u985e\u578b\u7684\u6b04\u4f4d\u6642\uff0cMySQL\u6703\u81ea\u52d5\u70ba\u6bcf\u4e00\u884c\u751f\u6210\u4e00\u500b\u552f\u4e00\u7684\u6574\u6578\u503c\uff0c\u9019\u5c0d\u65bc\u4e3b\u9375\u7684\u8a2d\u7f6e\u975e\u5e38\u6709\u7528\u3002<\/p>\n<h2 id=\"serial%e7%9a%84%e7%94%a8%e6%b3%95-dJpmoZAnbl\">SERIAL\u7684\u7528\u6cd5<\/h2>\n<p>\u5728\u5275\u5efa\u8868\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528SERIAL\u4f86\u5b9a\u7fa9\u4e00\u500b\u81ea\u52d5\u589e\u9577\u7684\u4e3b\u9375\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u4e00\u500b\u5305\u542bSERIAL\u6b04\u4f4d\u7684\u8868\u7684\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>CREATE TABLE users (\n    id SERIAL PRIMARY KEY,\n    username VARCHAR(50) NOT NULL,\n    email VARCHAR(100) NOT NULL\n);<\/code><\/pre>\n<p>\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c`id`\u6b04\u4f4d\u88ab\u5b9a\u7fa9\u70baSERIAL\uff0c\u9019\u610f\u5473\u8457\u6bcf\u7576\u63d2\u5165\u4e00\u689d\u65b0\u8a18\u9304\u6642\uff0cMySQL\u6703\u81ea\u52d5\u70ba`id`\u751f\u6210\u4e00\u500b\u552f\u4e00\u7684\u6574\u6578\u503c\u3002<\/p>\n<h2 id=\"%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a-dJpmoZAnbl\">\u63d2\u5165\u6578\u64da<\/h2>\n<p>\u7576\u4f60\u5411\u9019\u500b\u8868\u4e2d\u63d2\u5165\u6578\u64da\u6642\uff0c\u53ef\u4ee5\u7701\u7565`id`\u6b04\u4f4d\uff0c\u56e0\u70ba\u5b83\u6703\u81ea\u52d5\u751f\u6210\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>INSERT INTO users (username, email) VALUES ('user1', 'user1@example.com');\nINSERT INTO users (username, email) VALUES ('user2', 'user2@example.com');<\/code><\/pre>\n<p>\u57f7\u884c\u4e0a\u8ff0\u63d2\u5165\u8a9e\u53e5\u5f8c\uff0c`id`\u6b04\u4f4d\u5c07\u81ea\u52d5\u586b\u5145\u70ba1\u548c2\uff0c\u5206\u5225\u5c0d\u61c9\u65bc`user1`\u548c`user2`\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-dJpmoZAnbl\">\u67e5\u8a62\u6578\u64da<\/h2>\n<p>\u4f60\u53ef\u4ee5\u4f7f\u7528SELECT\u8a9e\u53e5\u4f86\u67e5\u8a62\u8868\u4e2d\u7684\u6578\u64da\uff0c\u5305\u62ec\u81ea\u52d5\u751f\u6210\u7684`id`\u6b04\u4f4d\uff1a<\/p>\n<pre><code>SELECT * FROM users;<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u6240\u6709\u7528\u6236\u7684`id`\u3001`username`\u548c`email`\uff0c\u986f\u793a\u81ea\u52d5\u751f\u6210\u7684\u552f\u4e00\u8b58\u5225\u78bc\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-dJpmoZAnbl\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li><strong>\u552f\u4e00\u6027\uff1a<\/strong>SERIAL\u6b04\u4f4d\u7684\u503c\u5fc5\u9808\u662f\u552f\u4e00\u7684\uff0c\u9019\u4f7f\u5f97\u5b83\u975e\u5e38\u9069\u5408\u7528\u4f5c\u4e3b\u9375\u3002<\/li>\n<li><strong>\u81ea\u52d5\u589e\u9577\uff1a<\/strong>\u6bcf\u6b21\u63d2\u5165\u65b0\u8a18\u9304\u6642\uff0cSERIAL\u6b04\u4f4d\u7684\u503c\u6703\u81ea\u52d5\u589e\u52a0\uff0c\u7121\u9700\u624b\u52d5\u6307\u5b9a\u3002<\/li>\n<li><strong>\u6578\u64da\u985e\u578b\uff1a<\/strong>SERIAL\u5be6\u969b\u4e0a\u662fBIGINT UNSIGNED\uff0c\u56e0\u6b64\u5b83\u7684\u7bc4\u570d\u975e\u5e38\u5927\uff0c\u9069\u5408\u5927\u898f\u6a21\u61c9\u7528\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-dJpmoZAnbl\">\u7d50\u8ad6<\/h2>\n<p>SERIAL\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u7c21\u5316\u6578\u64da\u5eab\u4e2d\u552f\u4e00\u8b58\u5225\u78bc\u7684\u7ba1\u7406\u3002\u901a\u904e\u81ea\u52d5\u589e\u9577\u7684\u7279\u6027\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5c08\u6ce8\u65bc\u5176\u4ed6\u696d\u52d9\u908f\u8f2f\uff0c\u800c\u4e0d\u5fc5\u64d4\u5fc3\u624b\u52d5\u7ba1\u7406\u4e3b\u9375\u3002\u7121\u8ad6\u662f\u5728\u5c0f\u578b\u61c9\u7528\u9084\u662f\u5927\u578b\u7cfb\u7d71\u4e2d\uff0cSERIAL\u90fd\u80fd\u63d0\u4f9b\u7a69\u5b9a\u548c\u53ef\u9760\u7684\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<p>\u5982\u679c\u4f60\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u8cc7\u6599\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u90e8\u7f72\u4f60\u7684MySQL\u8cc7\u6599\u5eab\uff0c\u4eab\u53d7\u66f4\u9ad8\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3MySQL\u4e2d\u7684SERIAL\u6307\u4ee4\uff0c\u5982\u4f55\u521b\u5efa\u81ea\u589e\u5b57\u6bb5\uff0c\u7b80\u5316\u6570\u636e\u63d2\u5165\uff0c\u63d0\u5347\u6570\u636e\u5e93\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-79700","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/79700","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=79700"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/79700\/revisions"}],"predecessor-version":[{"id":79701,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/79700\/revisions\/79701"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=79700"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=79700"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=79700"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}