{"id":135133,"date":"2024-10-31T08:07:31","date_gmt":"2024-10-31T00:07:31","guid":{"rendered":"https:\/\/server.hk\/cnblog\/135133\/"},"modified":"2024-10-31T08:07:32","modified_gmt":"2024-10-31T00:07:32","slug":"sql-2023%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ba%8f%e5%88%97%e8%99%9f%e7%8d%b2%e5%8f%96%e6%96%b9%e6%b3%95%e5%8f%8a%e4%bd%bf%e7%94%a8%e8%aa%aa%e6%98%8e%ef%bc%88sql-2023%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ba%8f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/135133\/","title":{"rendered":"SQL 2023\u6578\u64da\u5eab\u5e8f\u5217\u865f\u7372\u53d6\u65b9\u6cd5\u53ca\u4f7f\u7528\u8aaa\u660e\uff08sql 2023\u6578\u64da\u5eab\u5e8f\u5217\u865f\uff09"},"content":{"rendered":"<h1 id=\"sql-2023%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ba%8f%e5%88%97%e8%99%9f%e7%8d%b2%e5%8f%96%e6%96%b9%e6%b3%95%e5%8f%8a%e4%bd%bf%e7%94%a8%e8%aa%aa%e6%98%8e-RLqneobjZj\">SQL 2023\u6578\u64da\u5eab\u5e8f\u5217\u865f\u7372\u53d6\u65b9\u6cd5\u53ca\u4f7f\u7528\u8aaa\u660e<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u64cd\u4f5c\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002SQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09\u4f5c\u70ba\u4e00\u7a2e\u6a19\u6e96\u7684\u6578\u64da\u5eab\u67e5\u8a62\u8a9e\u8a00\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u6578\u64da\u5eab\u7cfb\u7d71\u4e2d\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728SQL 2023\u4e2d\u7372\u53d6\u6578\u64da\u5eab\u5e8f\u5217\u865f\u53ca\u5176\u4f7f\u7528\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ba%8f%e5%88%97%e8%99%9f%ef%bc%9f-RLqneobjZj\">\u4ec0\u9ebc\u662f\u6578\u64da\u5eab\u5e8f\u5217\u865f\uff1f<\/h2>\n<p>\u6578\u64da\u5eab\u5e8f\u5217\u865f\u662f\u4e00\u7a2e\u7528\u65bc\u751f\u6210\u552f\u4e00\u6a19\u8b58\u7b26\u7684\u6578\u64da\u5eab\u5c0d\u8c61\u3002\u5b83\u901a\u5e38\u7528\u65bc\u81ea\u52d5\u751f\u6210\u4e3b\u9375\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u552f\u4e00\u6027\u548c\u9023\u7e8c\u6027\u7684\u60c5\u6cc1\u4e0b\u3002\u5e8f\u5217\u865f\u7684\u4f7f\u7528\u53ef\u4ee5\u7c21\u5316\u6578\u64da\u63d2\u5165\u64cd\u4f5c\uff0c\u4e26\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/p>\n<h2 id=\"sql-2023%e4%b8%ad%e7%9a%84%e5%ba%8f%e5%88%97%e8%99%9f%e7%8d%b2%e5%8f%96%e6%96%b9%e6%b3%95-RLqneobjZj\">SQL 2023\u4e2d\u7684\u5e8f\u5217\u865f\u7372\u53d6\u65b9\u6cd5<\/h2>\n<p>\u5728SQL 2023\u4e2d\uff0c\u7372\u53d6\u5e8f\u5217\u865f\u7684\u904e\u7a0b\u76f8\u5c0d\u7c21\u55ae\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u548c\u4f7f\u7528\u5e8f\u5217\u865f\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e5%89%b5%e5%bb%ba%e5%ba%8f%e5%88%97-RLqneobjZj\">1. \u5275\u5efa\u5e8f\u5217<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u5275\u5efa\u4e00\u500b\u5e8f\u5217\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u5275\u5efa\u5e8f\u5217\uff1a<\/p>\n<pre><code>CREATE SEQUENCE my_sequence\n    START WITH 1\n    INCREMENT BY 1\n    NO MINVALUE\n    NO MAXVALUE\n    CACHE 1;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba\u201cmy_sequence\u201d\u7684\u5e8f\u5217\uff0c\u5f9e1\u958b\u59cb\uff0c\u6bcf\u6b21\u589e\u52a01\u3002<\/p>\n<h3 id=\"2-%e7%8d%b2%e5%8f%96%e5%ba%8f%e5%88%97%e8%99%9f-RLqneobjZj\">2. \u7372\u53d6\u5e8f\u5217\u865f<\/h3>\n<p>\u5275\u5efa\u5e8f\u5217\u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u7372\u53d6\u5e8f\u5217\u865f\uff1a<\/p>\n<pre><code>SELECT NEXTVAL('my_sequence');<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u8fd4\u56de\u5e8f\u5217\u7684\u4e0b\u4e00\u500b\u503c\uff0c\u4e26\u81ea\u52d5\u5c07\u5e8f\u5217\u7684\u7576\u524d\u503c\u589e\u52a0\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e5%ba%8f%e5%88%97%e8%99%9f-RLqneobjZj\">3. \u4f7f\u7528\u5e8f\u5217\u865f<\/h3>\n<p>\u7372\u53d6\u5e8f\u5217\u865f\u5f8c\uff0c\u60a8\u53ef\u4ee5\u5c07\u5176\u7528\u65bc\u63d2\u5165\u6578\u64da\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>INSERT INTO my_table (id, name) \nVALUES (NEXTVAL('my_sequence'), 'John Doe');<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5c07\u5e8f\u5217\u865f\u4f5c\u70ba\u4e3b\u9375\u63d2\u5165\u5230\u201cmy_table\u201d\u8868\u4e2d\u3002<\/p>\n<h2 id=\"%e5%ba%8f%e5%88%97%e7%9a%84%e5%85%b6%e4%bb%96%e9%81%b8%e9%a0%85-RLqneobjZj\">\u5e8f\u5217\u7684\u5176\u4ed6\u9078\u9805<\/h2>\n<p>\u5728\u5275\u5efa\u5e8f\u5217\u6642\uff0c\u60a8\u9084\u53ef\u4ee5\u8a2d\u7f6e\u5176\u4ed6\u9078\u9805\uff0c\u4f8b\u5982\u6700\u5c0f\u503c\u3001\u6700\u5927\u503c\u548c\u7de9\u5b58\u5927\u5c0f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u9078\u9805\uff1a<\/p>\n<ul>\n<li><strong>MINVALUE<\/strong>: \u8a2d\u7f6e\u5e8f\u5217\u7684\u6700\u5c0f\u503c\u3002<\/li>\n<li><strong>MAXVALUE<\/strong>: \u8a2d\u7f6e\u5e8f\u5217\u7684\u6700\u5927\u503c\u3002<\/li>\n<li><strong>CYCLE<\/strong>: \u8a2d\u7f6e\u5e8f\u5217\u662f\u5426\u5728\u9054\u5230\u6700\u5927\u503c\u5f8c\u91cd\u65b0\u958b\u59cb\u3002<\/li>\n<li><strong>CACHE<\/strong>: \u8a2d\u7f6e\u5e8f\u5217\u7684\u7de9\u5b58\u5927\u5c0f\uff0c\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u9019\u6a23\u5275\u5efa\u4e00\u500b\u5177\u6709\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c\u7684\u5e8f\u5217\uff1a<\/p>\n<pre><code>CREATE SEQUENCE my_sequence\n    START WITH 1\n    INCREMENT BY 1\n    MINVALUE 1\n    MAXVALUE 1000\n    CYCLE;<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-RLqneobjZj\">\u7d50\u8ad6<\/h2>\n<p>\u5728SQL 2023\u4e2d\uff0c\u5e8f\u5217\u865f\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u7c21\u5316\u6578\u64da\u63d2\u5165\u64cd\u4f5c\u4e26\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002\u901a\u904e\u5275\u5efa\u548c\u4f7f\u7528\u5e8f\u5217\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u751f\u6210\u552f\u4e00\u7684\u6a19\u8b58\u7b26\uff0c\u5f9e\u800c\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6548\u7387\u548c\u53ef\u9760\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u6258\u7ba1\u60a8\u7684\u6578\u64da\u5eab\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u9805\u76ee\u9084\u662f\u5927\u578b\u4f01\u696d\uff0c<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u90fd\u80fd\u63d0\u4f9b\u7a69\u5b9a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u64f4\u5c55\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3SQL 2023\u6578\u64da\u5eab\u5e8f\u5217\u865f\u7684\u7372\u53d6\u65b9\u6cd5\u53ca\u4f7f\u7528\u8aaa\u660e\uff0c\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u5eab\u5b89\u5168\u8207\u6388\u6b0a\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-135133","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/135133","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=135133"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/135133\/revisions"}],"predecessor-version":[{"id":135134,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/135133\/revisions\/135134"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=135133"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=135133"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=135133"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}