{"id":96290,"date":"2024-10-20T08:11:17","date_gmt":"2024-10-20T00:11:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96290\/"},"modified":"2024-10-20T08:11:17","modified_gmt":"2024-10-20T00:11:17","slug":"oracle%e8%87%aa%e5%a2%9e%e5%ad%97%e6%ae%b5%e7%9a%84%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96290\/","title":{"rendered":"Oracle\u81ea\u589e\u5b57\u6bb5\u7684\u5be6\u969b\u61c9\u7528"},"content":{"rendered":"<h1 id=\"oracle%e8%87%aa%e5%a2%9e%e5%ad%97%e6%ae%b5%e7%9a%84%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8-MvLJfAkvUh\">Oracle\u81ea\u589e\u5b57\u6bb5\u7684\u5be6\u969b\u61c9\u7528<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u8a2d\u8a08\u4e2d\uff0c\u81ea\u589e\u5b57\u6bb5\u662f\u4e00\u500b\u975e\u5e38\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u5c24\u5176\u662f\u5728Oracle\u8cc7\u6599\u5eab\u4e2d\u3002\u81ea\u589e\u5b57\u6bb5\u901a\u5e38\u7528\u65bc\u751f\u6210\u552f\u4e00\u7684\u8b58\u5225\u78bc\uff0c\u9019\u5c0d\u65bc\u78ba\u4fdd\u8cc7\u6599\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0eOracle\u81ea\u589e\u5b57\u6bb5\u7684\u5be6\u969b\u61c9\u7528\uff0c\u5305\u62ec\u5176\u5b9a\u7fa9\u3001\u4f7f\u7528\u65b9\u6cd5\u53ca\u5be6\u969b\u6848\u4f8b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e8%87%aa%e5%a2%9e%e5%ad%97%e6%ae%b5%ef%bc%9f-MvLJfAkvUh\">\u4ec0\u9ebc\u662f\u81ea\u589e\u5b57\u6bb5\uff1f<\/h2>\n<p>\u81ea\u589e\u5b57\u6bb5\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u8cc7\u6599\u5eab\u6b04\u4f4d\uff0c\u7576\u65b0\u8a18\u9304\u88ab\u63d2\u5165\u6642\uff0c\u8a72\u6b04\u4f4d\u7684\u503c\u6703\u81ea\u52d5\u589e\u52a0\u3002\u9019\u901a\u5e38\u7528\u65bc\u4e3b\u9375\uff0c\u4ee5\u78ba\u4fdd\u6bcf\u689d\u8a18\u9304\u90fd\u6709\u552f\u4e00\u7684\u8b58\u5225\u78bc\u3002\u5728Oracle\u4e2d\uff0c\u81ea\u589e\u5b57\u6bb5\u7684\u5be6\u73fe\u4e3b\u8981\u4f9d\u8cf4\u65bc\u5e8f\u5217\uff08Sequence\uff09\u548c\u89f8\u767c\u5668\uff08Trigger\uff09\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8oracle%e4%b8%ad%e5%89%b5%e5%bb%ba%e8%87%aa%e5%a2%9e%e5%ad%97%e6%ae%b5-MvLJfAkvUh\">\u5982\u4f55\u5728Oracle\u4e2d\u5275\u5efa\u81ea\u589e\u5b57\u6bb5<\/h2>\n<p>\u5728Oracle\u4e2d\uff0c\u5275\u5efa\u81ea\u589e\u5b57\u6bb5\u7684\u904e\u7a0b\u901a\u5e38\u5305\u62ec\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<ol>\n<li>\u5275\u5efa\u5e8f\u5217<\/li>\n<li>\u5275\u5efa\u89f8\u767c\u5668<\/li>\n<li>\u63d2\u5165\u6578\u64da<\/li>\n<\/ol>\n<h3 id=\"1-%e5%89%b5%e5%bb%ba%e5%ba%8f%e5%88%97-MvLJfAkvUh\">1. \u5275\u5efa\u5e8f\u5217<\/h3>\n<p>\u5e8f\u5217\u662f\u4e00\u7a2e\u8cc7\u6599\u5eab\u5c0d\u8c61\uff0c\u7528\u65bc\u751f\u6210\u552f\u4e00\u7684\u6578\u5b57\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u5e8f\u5217\u7684SQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>CREATE SEQUENCE my_sequence\n    START WITH 1\n    INCREMENT BY 1\n    NOCACHE;<\/code><\/pre>\n<h3 id=\"2-%e5%89%b5%e5%bb%ba%e8%a7%b8%e7%99%bc%e5%99%a8-MvLJfAkvUh\">2. \u5275\u5efa\u89f8\u767c\u5668<\/h3>\n<p>\u89f8\u767c\u5668\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u5b58\u5132\u904e\u7a0b\uff0c\u7576\u7279\u5b9a\u4e8b\u4ef6\u767c\u751f\u6642\u81ea\u52d5\u57f7\u884c\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<h3 id=\"3-%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a-MvLJfAkvUh\">3. \u63d2\u5165\u6578\u64da<\/h3>\n<p>\u4e00\u65e6\u5e8f\u5217\u548c\u89f8\u767c\u5668\u5275\u5efa\u5b8c\u6210\uff0c\u60a8\u5c31\u53ef\u4ee5\u63d2\u5165\u6578\u64da\u4e86\u3002\u4ee5\u4e0b\u662f\u63d2\u5165\u6578\u64da\u7684SQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>INSERT INTO my_table (name) VALUES ('John Doe');<\/code><\/pre>\n<p>\u5728\u63d2\u5165\u6642\uff0c`id`\u6b04\u4f4d\u5c07\u81ea\u52d5\u586b\u5145\u70ba\u5e8f\u5217\u751f\u6210\u7684\u552f\u4e00\u503c\u3002<\/p>\n<h2 id=\"%e8%87%aa%e5%a2%9e%e5%ad%97%e6%ae%b5%e7%9a%84%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8%e6%a1%88%e4%be%8b-MvLJfAkvUh\">\u81ea\u589e\u5b57\u6bb5\u7684\u5be6\u969b\u61c9\u7528\u6848\u4f8b<\/h2>\n<p>\u81ea\u589e\u5b57\u6bb5\u5728\u8a31\u591a\u61c9\u7528\u4e2d\u90fd\u975e\u5e38\u6709\u7528\uff0c\u4ee5\u4e0b\u662f\u5e7e\u500b\u5be6\u969b\u6848\u4f8b\uff1a<\/p>\n<ul>\n<li><strong>\u7528\u6236\u7ba1\u7406\u7cfb\u7d71\uff1a<\/strong>\u5728\u7528\u6236\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u6bcf\u500b\u7528\u6236\u90fd\u9700\u8981\u4e00\u500b\u552f\u4e00\u7684\u8b58\u5225\u78bc\uff0c\u81ea\u589e\u5b57\u6bb5\u53ef\u4ee5\u78ba\u4fdd\u6bcf\u500b\u7528\u6236\u7684ID\u90fd\u662f\u552f\u4e00\u7684\u3002<\/li>\n<li><strong>\u8a02\u55ae\u7ba1\u7406\u7cfb\u7d71\uff1a<\/strong>\u5728\u8a02\u55ae\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u6bcf\u500b\u8a02\u55ae\u90fd\u9700\u8981\u4e00\u500b\u552f\u4e00\u7684\u8a02\u55ae\u865f\uff0c\u81ea\u589e\u5b57\u6bb5\u53ef\u4ee5\u81ea\u52d5\u751f\u6210\u9019\u4e9b\u8a02\u55ae\u865f\uff0c\u907f\u514d\u91cd\u8907\u3002<\/li>\n<li><strong>\u7522\u54c1\u5eab\u5b58\u7cfb\u7d71\uff1a<\/strong>\u5728\u7522\u54c1\u5eab\u5b58\u7cfb\u7d71\u4e2d\uff0c\u6bcf\u500b\u7522\u54c1\u90fd\u9700\u8981\u4e00\u500b\u552f\u4e00\u7684\u7522\u54c1ID\uff0c\u81ea\u589e\u5b57\u6bb5\u53ef\u4ee5\u5e6b\u52a9\u7ba1\u7406\u7522\u54c1\u7684\u552f\u4e00\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-MvLJfAkvUh\">\u7e3d\u7d50<\/h2>\n<p>Oracle\u81ea\u589e\u5b57\u6bb5\u7684\u5be6\u969b\u61c9\u7528\u5728\u8cc7\u6599\u5eab\u8a2d\u8a08\u4e2d\u626e\u6f14\u8457\u91cd\u8981\u89d2\u8272\uff0c\u80fd\u5920\u6709\u6548\u5730\u751f\u6210\u552f\u4e00\u8b58\u5225\u78bc\uff0c\u78ba\u4fdd\u8cc7\u6599\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002\u900f\u904e\u5e8f\u5217\u548c\u89f8\u767c\u5668\u7684\u7d50\u5408\u4f7f\u7528\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u5be6\u73fe\u81ea\u589e\u5b57\u6bb5\u7684\u529f\u80fd\uff0c\u4e26\u5728\u5404\u7a2e\u61c9\u7528\u4e2d\u7372\u5f97\u5ee3\u6cdb\u7684\u61c9\u7528\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u8cc7\u6599\u5eab\u7ba1\u7406\u6216\u5176\u4ed6\u6280\u8853\u89e3\u6c7a\u65b9\u6848\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>\u548c<a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a>\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Oracle\u81ea\u589e\u5b57\u6bb5\u7684\u5be6\u969b\u61c9\u7528\uff0c\u4e86\u89e3\u5982\u4f55\u7c21\u5316\u6578\u64da\u7ba1\u7406\u548c\u63d0\u9ad8\u6578\u64da\u5eab\u6027\u80fd\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-96290","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96290","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=96290"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96290\/revisions"}],"predecessor-version":[{"id":96291,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96290\/revisions\/96291"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96290"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96290"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96290"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}