{"id":195751,"date":"2024-11-13T17:36:20","date_gmt":"2024-11-13T09:36:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/195751\/"},"modified":"2024-11-13T17:36:21","modified_gmt":"2024-11-13T09:36:21","slug":"%e5%9c%a8oracle%e6%a8%99%e8%ad%98%e5%88%97%e8%a3%a1%e6%8f%92%e5%85%a5%e7%89%b9%e5%ae%9a%e7%9a%84%e5%80%bc","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/195751\/","title":{"rendered":"\u5728Oracle\u6a19\u8b58\u5217\u88e1\u63d2\u5165\u7279\u5b9a\u7684\u503c"},"content":{"rendered":"<h1 id=\"%e5%9c%a8oracle%e6%a8%99%e8%ad%98%e5%88%97%e8%a3%a1%e6%8f%92%e5%85%a5%e7%89%b9%e5%ae%9a%e7%9a%84%e5%80%bc-qbdNtVauDV\">\u5728Oracle\u6a19\u8b58\u5217\u88e1\u63d2\u5165\u7279\u5b9a\u7684\u503c<\/h1>\n<p>\u5728\u4f7f\u7528Oracle\u8cc7\u6599\u5eab\u6642\uff0c\u6a19\u8b58\u5217\uff08Identity 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id=\"%e6%8f%92%e5%85%a5%e7%89%b9%e5%ae%9a%e5%80%bc%e7%9a%84%e9%9c%80%e6%b1%82-qbdNtVauDV\">\u63d2\u5165\u7279\u5b9a\u503c\u7684\u9700\u6c42<\/h2>\n<p>\u5118\u7ba1\u6a19\u8b58\u5217\u7684\u4e3b\u8981\u76ee\u7684\u662f\u81ea\u52d5\u751f\u6210\u503c\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u63d2\u5165\u7279\u5b9a\u7684\u503c\u3002\u4f8b\u5982\uff0c\u7576\u60a8\u5f9e\u5176\u4ed6\u8cc7\u6599\u5eab\u9077\u79fb\u6578\u64da\u6642\uff0c\u53ef\u80fd\u9700\u8981\u4fdd\u7559\u539f\u6709\u7684\u4e3b\u9375\u503c\u3002\u9019\u6642\uff0c\u60a8\u9700\u8981\u66ab\u6642\u7981\u7528\u6a19\u8b58\u5217\u7684\u81ea\u52d5\u751f\u6210\u7279\u6027\uff0c\u4ee5\u4fbf\u80fd\u5920\u63d2\u5165\u81ea\u5b9a\u7fa9\u7684\u503c\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8oracle%e4%b8%ad%e6%8f%92%e5%85%a5%e7%89%b9%e5%ae%9a%e7%9a%84%e5%80%bc-qbdNtVauDV\">\u5982\u4f55\u5728Oracle\u4e2d\u63d2\u5165\u7279\u5b9a\u7684\u503c<\/h2>\n<p>\u4ee5\u4e0b\u662f\u63d2\u5165\u7279\u5b9a\u503c\u7684\u6b65\u9a5f\uff1a<\/p>\n<ol>\n<li><strong>\u5275\u5efa\u8868\u6642\u5b9a\u7fa9\u6a19\u8b58\u5217\uff1a<\/strong>\u9996\u5148\uff0c\u60a8\u9700\u8981\u5275\u5efa\u4e00\u500b\u5305\u542b\u6a19\u8b58\u5217\u7684\u8868\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n<pre><code>CREATE TABLE employees (\n    employee_id NUMBER GENERATED BY DEFAULT AS IDENTITY,\n    first_name VARCHAR2(50),\n    last_name VARCHAR2(50)\n);<\/code><\/pre>\n<ol start=\"2\">\n<li><strong>\u63d2\u5165\u7279\u5b9a\u503c\uff1a<\/strong>\u8981\u63d2\u5165\u7279\u5b9a\u7684\u503c\uff0c\u60a8\u9700\u8981\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u6cd5\uff1a<\/li>\n<\/ol>\n<pre><code>INSERT INTO employees (employee_id, first_name, last_name)\nVALUES (1001, 'John', 'Doe');<\/code><\/pre>\n<ol start=\"3\">\n<li><strong>\u6062\u5fa9\u6a19\u8b58\u5217\u7684\u81ea\u52d5\u751f\u6210\uff1a<\/strong>\u63d2\u5165\u7279\u5b9a\u503c\u5f8c\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u78ba\u4fdd\u6a19\u8b58\u5217\u80fd\u5920\u7e7c\u7e8c\u81ea\u52d5\u751f\u6210\u5f8c\u7e8c\u7684\u503c\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u67e5\u8a62\u4f86\u5be6\u73fe\uff1a<\/li>\n<\/ol>\n<pre><code>ALTER TABLE employees MODIFY employee_id GENERATED BY DEFAULT AS IDENTITY;<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-qbdNtVauDV\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u63d2\u5165\u7279\u5b9a\u503c\u6642\uff0c\u6709\u5e7e\u500b\u6ce8\u610f\u4e8b\u9805\u9700\u8981\u8003\u616e\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u63d2\u5165\u7684\u503c\u4e0d\u6703\u8207\u73fe\u6709\u7684\u6a19\u8b58\u5217\u503c\u885d\u7a81\uff0c\u5426\u5247\u6703\u5c0e\u81f4\u4e3b\u9375\u9055\u53cd\u932f\u8aa4\u3002<\/li>\n<li>\u5728\u63d2\u5165\u7279\u5b9a\u503c\u5f8c\uff0c\u61c9\u8a72\u6aa2\u67e5\u6a19\u8b58\u5217\u7684\u7576\u524d\u503c\uff0c\u4ee5\u78ba\u4fdd\u81ea\u52d5\u751f\u6210\u7684\u503c\u4e0d\u6703\u91cd\u8907\u3002<\/li>\n<li>\u5728\u9032\u884c\u5927\u898f\u6a21\u6578\u64da\u9077\u79fb\u6642\uff0c\u5efa\u8b70\u5148\u5728\u6e2c\u8a66\u74b0\u5883\u4e2d\u9032\u884c\u6e2c\u8a66\uff0c\u4ee5\u907f\u514d\u751f\u7522\u74b0\u5883\u4e2d\u7684\u6578\u64da\u640d\u58de\u3002<\/li>\n<\/ul>\n<h2 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href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u548c<a 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