{"id":95378,"date":"2024-10-20T00:33:25","date_gmt":"2024-10-19T16:33:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/95378\/"},"modified":"2024-10-20T00:33:26","modified_gmt":"2024-10-19T16:33:26","slug":"oracle%e4%bd%bf%e7%94%a8%e7%9b%b8%e9%97%9c%e8%a7%b8%e7%99%bc%e5%99%a8%e4%be%86%e5%af%a6%e7%8f%be%e8%87%aa%e5%a2%9eid","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/95378\/","title":{"rendered":"Oracle\u4f7f\u7528\u76f8\u95dc\u89f8\u767c\u5668\u4f86\u5be6\u73fe\u81ea\u589eID"},"content":{"rendered":"<h1 id=\"oracle%e4%bd%bf%e7%94%a8%e7%9b%b8%e9%97%9c%e8%a7%b8%e7%99%bc%e5%99%a8%e4%be%86%e5%af%a6%e7%8f%be%e8%87%aa%e5%a2%9eid-yfbGBiAZSm\">Oracle\u4f7f\u7528\u76f8\u95dc\u89f8\u767c\u5668\u4f86\u5be6\u73fe\u81ea\u589eID<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u81ea\u589eID\u662f\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u552f\u4e00\u6a19\u8b58\u6bcf\u4e00\u689d\u8a18\u9304\u7684\u60c5\u6cc1\u4e0b\u3002Oracle\u8cc7\u6599\u5eab\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u5be6\u73fe\u81ea\u589eID\uff0c\u5176\u4e2d\u4f7f\u7528\u89f8\u767c\u5668\u662f\u4e00\u7a2e\u9748\u6d3b\u4e14\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728Oracle\u4e2d\u4f7f\u7528\u89f8\u767c\u5668\u4f86\u5be6\u73fe\u81ea\u589eID\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u7bc4\u4f8b\u548c\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"%e8%87%aa%e5%a2%9eid%e7%9a%84%e6%a6%82%e5%bf%b5-yfbGBiAZSm\">\u81ea\u589eID\u7684\u6982\u5ff5<\/h2>\n<p>\u81ea\u589eID\u662f\u6307\u5728\u6bcf\u6b21\u63d2\u5165\u65b0\u8a18\u9304\u6642\uff0c\u81ea\u52d5\u751f\u6210\u4e00\u500b\u552f\u4e00\u7684\u6574\u6578\u503c\u3002\u9019\u901a\u5e38\u7528\u65bc\u4e3b\u9375\uff0c\u4ee5\u78ba\u4fdd\u6bcf\u689d\u8a18\u9304\u7684\u552f\u4e00\u6027\u3002\u5728Oracle\u4e2d\uff0c\u9664\u4e86\u4f7f\u7528\u5e8f\u5217\uff08Sequence\uff09\u4f86\u751f\u6210\u81ea\u589eID\u5916\uff0c\u9084\u53ef\u4ee5\u901a\u904e\u89f8\u767c\u5668\u4f86\u5be6\u73fe\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e8%a7%b8%e7%99%bc%e5%99%a8%e5%af%a6%e7%8f%be%e8%87%aa%e5%a2%9eid-yfbGBiAZSm\">\u4f7f\u7528\u89f8\u767c\u5668\u5be6\u73fe\u81ea\u589eID<\/h2>\n<p>\u89f8\u767c\u5668\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u5b58\u5132\u7a0b\u5e8f\uff0c\u5b83\u6703\u5728\u7279\u5b9a\u4e8b\u4ef6\u767c\u751f\u6642\u81ea\u52d5\u57f7\u884c\u3002\u5728\u9019\u88e1\uff0c\u6211\u5011\u5c07\u5275\u5efa\u4e00\u500b\u89f8\u767c\u5668\uff0c\u7576\u63d2\u5165\u65b0\u8a18\u9304\u6642\uff0c\u81ea\u52d5\u70ba\u67d0\u500b\u6b04\u4f4d\u751f\u6210\u81ea\u589eID\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%80%ef%bc%9a%e5%89%b5%e5%bb%ba%e5%ba%8f%e5%88%97-yfbGBiAZSm\">\u6b65\u9a5f\u4e00\uff1a\u5275\u5efa\u5e8f\u5217<\/h3>\n<p>\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5275\u5efa\u4e00\u500b\u5e8f\u5217\uff0c\u9019\u5c07\u7528\u65bc\u751f\u6210\u81ea\u589eID\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u5e8f\u5217\u7684SQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>CREATE SEQUENCE my_sequence\nSTART WITH 1\nINCREMENT BY 1\nNOCACHE;<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%ba%8c%ef%bc%9a%e5%89%b5%e5%bb%ba%e8%a7%b8%e7%99%bc%e5%99%a8-yfbGBiAZSm\">\u6b65\u9a5f\u4e8c\uff1a\u5275\u5efa\u89f8\u767c\u5668<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u5c07\u5275\u5efa\u4e00\u500b\u89f8\u767c\u5668\uff0c\u7576\u63d2\u5165\u65b0\u8a18\u9304\u6642\uff0c\u81ea\u52d5\u5f9e\u5e8f\u5217\u4e2d\u7372\u53d6\u4e0b\u4e00\u500b\u503c\u4e26\u8ce6\u503c\u7d66\u81ea\u589eID\u6b04\u4f4d\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u89f8\u767c\u5668\u7684SQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>CREATE OR REPLACE TRIGGER my_trigger\nBEFORE INSERT ON my_table\nFOR EACH ROW\nBEGIN\n    :NEW.id := my_sequence.NEXTVAL;\nEND;<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c`my_table`\u662f\u6211\u5011\u8981\u63d2\u5165\u6578\u64da\u7684\u8868\u540d\uff0c\u800c`id`\u662f\u81ea\u589eID\u7684\u6b04\u4f4d\u540d\u3002\u89f8\u767c\u5668\u6703\u5728\u6bcf\u6b21\u63d2\u5165\u65b0\u8a18\u9304\u4e4b\u524d\u81ea\u52d5\u57f7\u884c\uff0c\u4e26\u5c07\u5e8f\u5217\u7684\u4e0b\u4e00\u500b\u503c\u8ce6\u7d66`id`\u6b04\u4f4d\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%89%ef%bc%9a%e6%b8%ac%e8%a9%a6%e8%a7%b8%e7%99%bc%e5%99%a8-yfbGBiAZSm\">\u6b65\u9a5f\u4e09\uff1a\u6e2c\u8a66\u89f8\u767c\u5668<\/h3>\n<p>\u73fe\u5728\uff0c\u6211\u5011\u53ef\u4ee5\u6e2c\u8a66\u9019\u500b\u89f8\u767c\u5668\u3002\u4ee5\u4e0b\u662f\u63d2\u5165\u6578\u64da\u7684SQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>INSERT INTO my_table (name) VALUES ('Alice');\nINSERT INTO my_table (name) VALUES ('Bob');<\/code><\/pre>\n<p>\u57f7\u884c\u4e0a\u8ff0\u63d2\u5165\u8a9e\u53e5\u5f8c\uff0c\u6211\u5011\u53ef\u4ee5\u67e5\u8a62`my_table`\u4f86\u67e5\u770b\u81ea\u589eID\u7684\u751f\u6210\u60c5\u6cc1\uff1a<\/p>\n<pre><code>SELECT * FROM my_table;<\/code><\/pre>\n<p>\u7d50\u679c\u61c9\u8a72\u986f\u793a\u51fa`id`\u6b04\u4f4d\u7684\u503c\u81ea\u52d5\u905e\u589e\uff0c\u5206\u5225\u70ba1\u548c2\u3002<\/p>\n<h2 id=\"%e8%a7%b8%e7%99%bc%e5%99%a8%e7%9a%84%e5%84%aa%e7%bc%ba%e9%bb%9e-yfbGBiAZSm\">\u89f8\u767c\u5668\u7684\u512a\u7f3a\u9ede<\/h2>\n<p>\u4f7f\u7528\u89f8\u767c\u5668\u4f86\u5be6\u73fe\u81ea\u589eID\u6709\u5176\u512a\u7f3a\u9ede\uff1a<\/p>\n<ul>\n<li><strong>\u512a\u9ede\uff1a<\/strong>\u89f8\u767c\u5668\u53ef\u4ee5\u81ea\u52d5\u5316ID\u7684\u751f\u6210\uff0c\u6e1b\u5c11\u4e86\u624b\u52d5\u64cd\u4f5c\u7684\u932f\u8aa4\u3002<\/li>\n<li><strong>\u7f3a\u9ede\uff1a<\/strong>\u89f8\u767c\u5668\u7684\u57f7\u884c\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-yfbGBiAZSm\">\u7e3d\u7d50<\/h2>\n<p>\u5728Oracle\u4e2d\uff0c\u4f7f\u7528\u89f8\u767c\u5668\u4f86\u5be6\u73fe\u81ea\u589eID\u662f\u4e00\u7a2e\u9748\u6d3b\u4e14\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u901a\u904e\u5275\u5efa\u5e8f\u5217\u548c\u89f8\u767c\u5668\uff0c\u6211\u5011\u53ef\u4ee5\u81ea\u52d5\u751f\u6210\u552f\u4e00\u7684ID\uff0c\u5f9e\u800c\u78ba\u4fdd\u8cc7\u6599\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002\u96d6\u7136\u89f8\u767c\u5668\u6709\u5176\u512a\u7f3a\u9ede\uff0c\u4f46\u5728\u8a31\u591a\u60c5\u6cc1\u4e0b\uff0c\u5b83\u5011\u4ecd\u7136\u662f\u4e00\u500b\u503c\u5f97\u8003\u616e\u7684\u9078\u64c7\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u8cc7\u6599\u5eab\u7ba1\u7406\u6216\u5176\u4ed6\u6280\u8853\u9700\u6c42\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4e86\u89e3\u66f4\u591a\u8cc7\u8a0a\uff0c\u7279\u5225\u662f\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u89e3\u6c7a\u65b9\u6848\uff0c\u70ba\u60a8\u7684\u696d\u52d9\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728Oracle\u4e2d\u4f7f\u7528\u89f8\u767c\u5668\u5be6\u73fe\u81ea\u589eID\uff0c\u7c21\u5316\u6578\u64da\u5eab\u7ba1\u7406\u4e26\u78ba\u4fdd\u552f\u4e00\u6027\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-95378","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95378","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=95378"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95378\/revisions"}],"predecessor-version":[{"id":95379,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95378\/revisions\/95379"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=95378"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=95378"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=95378"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}