{"id":188838,"date":"2024-11-12T02:18:21","date_gmt":"2024-11-11T18:18:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/188838\/"},"modified":"2024-11-12T02:18:23","modified_gmt":"2024-11-11T18:18:23","slug":"%e6%8e%a2%e8%a8%8eoracle-primary%e7%b4%a2%e5%bc%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/188838\/","title":{"rendered":"\u63a2\u8a0eOracle primary\u7d22\u5f15"},"content":{"rendered":"<h1 id=\"%e6%8e%a2%e8%a8%8eoracle-primary%e7%b4%a2%e5%bc%95-LxZRsRHxFg\">\u63a2\u8a0eOracle Primary\u7d22\u5f15<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u7d22\u5f15\u662f\u4e00\u7a2e\u91cd\u8981\u7684\u8cc7\u6599\u7d50\u69cb\uff0c\u7528\u65bc\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002Oracle\u8cc7\u6599\u5eab\u4f5c\u70ba\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u95dc\u806f\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5176\u7d22\u5f15\u7684\u8a2d\u8a08\u548c\u5be6\u73fe\u5c0d\u65bc\u6027\u80fd\u512a\u5316\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eOracle\u7684Primary\u7d22\u5f15\uff0c\u5305\u62ec\u5176\u5b9a\u7fa9\u3001\u7279\u6027\u3001\u4f7f\u7528\u60c5\u5883\u53ca\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afprimary%e7%b4%a2%e5%bc%95%ef%bc%9f-LxZRsRHxFg\">\u4ec0\u9ebc\u662fPrimary\u7d22\u5f15\uff1f<\/h2>\n<p>Primary\u7d22\u5f15\u662f\u6307\u5728\u8cc7\u6599\u8868\u4e2d\u7528\u4f86\u552f\u4e00\u6a19\u8b58\u6bcf\u4e00\u884c\u8cc7\u6599\u7684\u7d22\u5f15\u3002\u6bcf\u500b\u8cc7\u6599\u8868\u53ea\u80fd\u6709\u4e00\u500bPrimary\u7d22\u5f15\uff0c\u9019\u662f\u56e0\u70baPrimary\u7d22\u5f15\u7684\u4e3b\u8981\u529f\u80fd\u662f\u78ba\u4fdd\u8cc7\u6599\u7684\u552f\u4e00\u6027\u3002\u7576\u4e00\u500b\u8cc7\u6599\u8868\u88ab\u5b9a\u7fa9\u70ba\u5177\u6709Primary\u7d22\u5f15\u6642\uff0c\u8cc7\u6599\u5eab\u7cfb\u7d71\u6703\u81ea\u52d5\u70ba\u8a72\u7d22\u5f15\u5275\u5efa\u4e00\u500b\u552f\u4e00\u7684\u7d04\u675f\uff0c\u9632\u6b62\u91cd\u8907\u7684\u8cc7\u6599\u884c\u3002<\/p>\n<h2 id=\"primary%e7%b4%a2%e5%bc%95%e7%9a%84%e7%89%b9%e6%80%a7-LxZRsRHxFg\">Primary\u7d22\u5f15\u7684\u7279\u6027<\/h2>\n<ul>\n<li><strong>\u552f\u4e00\u6027\uff1a<\/strong>Primary\u7d22\u5f15\u78ba\u4fdd\u6bcf\u4e00\u884c\u8cc7\u6599\u7684\u552f\u4e00\u6027\uff0c\u9019\u610f\u5473\u8457\u5728\u8cc7\u6599\u8868\u4e2d\u4e0d\u6703\u6709\u5169\u884c\u8cc7\u6599\u64c1\u6709\u76f8\u540c\u7684Primary\u9375\u503c\u3002<\/li>\n<li><strong>\u81ea\u52d5\u751f\u6210\uff1a<\/strong>\u5728Oracle\u4e2d\uff0c\u7576\u4f60\u5275\u5efa\u4e00\u500bPrimary\u7d22\u5f15\u6642\uff0c\u7cfb\u7d71\u6703\u81ea\u52d5\u751f\u6210\u4e00\u500bB\u6a39\u7d50\u69cb\u7684\u7d22\u5f15\uff0c\u9019\u6709\u52a9\u65bc\u5feb\u901f\u67e5\u8a62\u3002<\/li>\n<li><strong>\u6027\u80fd\u512a\u5316\uff1a<\/strong>\u4f7f\u7528Primary\u7d22\u5f15\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u9032\u884c\u67e5\u8a62\u3001\u66f4\u65b0\u548c\u522a\u9664\u64cd\u4f5c\u6642\u3002<\/li>\n<li><strong>\u805a\u96c6\u6027\uff1a<\/strong>\u5728Oracle\u4e2d\uff0cPrimary\u7d22\u5f15\u901a\u5e38\u662f\u805a\u96c6\u7d22\u5f15\uff0c\u9019\u610f\u5473\u8457\u8cc7\u6599\u884c\u7684\u7269\u7406\u5b58\u5132\u9806\u5e8f\u8207\u7d22\u5f15\u7684\u908f\u8f2f\u9806\u5e8f\u76f8\u540c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%89%b5%e5%bb%baprimary%e7%b4%a2%e5%bc%95-LxZRsRHxFg\">\u5982\u4f55\u5275\u5efaPrimary\u7d22\u5f15<\/h2>\n<p>\u5728Oracle\u4e2d\uff0c\u5275\u5efaPrimary\u7d22\u5f15\u7684\u8a9e\u6cd5\u76f8\u5c0d\u7c21\u55ae\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728\u5275\u5efa\u8cc7\u6599\u8868\u6642\u5b9a\u7fa9Primary\u7d22\u5f15\uff1a<\/p>\n<pre><code>\nCREATE TABLE employees (\n    employee_id NUMBER PRIMARY KEY,\n    first_name VARCHAR2(50),\n    last_name VARCHAR2(50),\n    hire_date DATE\n);\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c<code>employee_id<\/code>\u88ab\u5b9a\u7fa9\u70baPrimary\u9375\uff0c\u9019\u610f\u5473\u8457\u6bcf\u500b\u54e1\u5de5\u7684ID\u5fc5\u9808\u662f\u552f\u4e00\u7684\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8primary%e7%b4%a2%e5%bc%95%e7%9a%84%e6%83%85%e5%a2%83-LxZRsRHxFg\">\u4f7f\u7528Primary\u7d22\u5f15\u7684\u60c5\u5883<\/h2>\n<p>Primary\u7d22\u5f15\u9069\u7528\u65bc\u9700\u8981\u5feb\u901f\u67e5\u8a62\u548c\u9ad8\u6548\u8cc7\u6599\u5b58\u53d6\u7684\u60c5\u5883\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u500b\u5927\u578b\u4f01\u696d\u7684\u54e1\u5de5\u8cc7\u6599\u5eab\u4e2d\uff0c\u4f7f\u7528Primary\u7d22\u5f15\u53ef\u4ee5\u5feb\u901f\u6aa2\u7d22\u7279\u5b9a\u54e1\u5de5\u7684\u8cc7\u8a0a\uff0c\u5f9e\u800c\u63d0\u9ad8\u6574\u9ad4\u7cfb\u7d71\u7684\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-LxZRsRHxFg\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<ul>\n<li><strong>\u9078\u64c7\u5408\u9069\u7684Primary\u9375\uff1a<\/strong>\u9078\u64c7\u4e00\u500b\u4e0d\u6703\u8b8a\u66f4\u7684\u6b04\u4f4d\u4f5c\u70baPrimary\u9375\uff0c\u4f8b\u5982\u54e1\u5de5ID\u6216\u793e\u6703\u5b89\u5168\u865f\u78bc\u3002<\/li>\n<li><strong>\u907f\u514d\u4f7f\u7528\u8907\u5408Primary\u9375\uff1a<\/strong>\u96d6\u7136Oracle\u652f\u6301\u8907\u5408Primary\u9375\uff0c\u4f46\u5728\u6027\u80fd\u548c\u7dad\u8b77\u4e0a\u53ef\u80fd\u6703\u5e36\u4f86\u6311\u6230\uff0c\u5efa\u8b70\u76e1\u91cf\u4f7f\u7528\u55ae\u4e00\u6b04\u4f4d\u4f5c\u70baPrimary\u9375\u3002<\/li>\n<li><strong>\u5b9a\u671f\u6aa2\u67e5\u7d22\u5f15\uff1a<\/strong>\u96a8\u8457\u8cc7\u6599\u7684\u589e\u9577\uff0c\u5b9a\u671f\u6aa2\u67e5\u548c\u91cd\u5efa\u7d22\u5f15\u53ef\u4ee5\u4fdd\u6301\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-LxZRsRHxFg\">\u7e3d\u7d50<\/h2>\n<p>Oracle\u7684Primary\u7d22\u5f15\u5728\u8cc7\u6599\u5eab\u8a2d\u8a08\u4e2d\u626e\u6f14\u8457\u91cd\u8981\u89d2\u8272\uff0c\u80fd\u5920\u6709\u6548\u5730\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u4e26\u78ba\u4fdd\u8cc7\u6599\u7684\u552f\u4e00\u6027\u3002\u900f\u904e\u5408\u7406\u7684\u8a2d\u8a08\u548c\u6700\u4f73\u5be6\u8e10\uff0c\u4f7f\u7528\u8005\u53ef\u4ee5\u5145\u5206\u767c\u63eePrimary\u7d22\u5f15\u7684\u512a\u52e2\uff0c\u5f9e\u800c\u63d0\u5347\u6574\u9ad4\u7cfb\u7d71\u7684\u6548\u7387\u3002\u5982\u679c\u60a8\u5c0d\u65bc\u8cc7\u6599\u5eab\u7ba1\u7406\u6216\u5176\u4ed6\u76f8\u95dc\u6280\u8853\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\u63d0\u4f9b\u7684<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u89e3\u6c7a\u65b9\u6848\uff0c\u52a9\u60a8\u5728\u6578\u4f4d\u8f49\u578b\u4e2d\u53d6\u5f97\u6210\u529f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u63a2\u8a0eOracle\u4e3b\u7d22\u5f15\u7684\u529f\u80fd\u3001\u512a\u52e2\u53ca\u6700\u4f73\u5be6\u8e10\uff0c\u63d0\u5347\u6578\u64da\u67e5\u8a62\u6548\u7387\u8207\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-188838","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188838","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=188838"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188838\/revisions"}],"predecessor-version":[{"id":188839,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188838\/revisions\/188839"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=188838"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=188838"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=188838"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}