{"id":96094,"date":"2024-10-20T06:33:16","date_gmt":"2024-10-19T22:33:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96094\/"},"modified":"2024-10-20T06:33:16","modified_gmt":"2024-10-19T22:33:16","slug":"oracle%e5%90%8c%e7%be%a9%e8%a9%9e%e5%92%8c%e5%85%b6%e5%ba%8f%e5%88%97%e7%9a%84%e4%bd%bf%e7%94%a8%e6%96%b9%e6%a1%88%e7%b0%a1%e4%bb%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96094\/","title":{"rendered":"Oracle\u540c\u7fa9\u8a5e\u548c\u5176\u5e8f\u5217\u7684\u4f7f\u7528\u65b9\u6848\u7c21\u4ecb"},"content":{"rendered":"<h1 id=\"oracle%e5%90%8c%e7%be%a9%e8%a9%9e%e5%92%8c%e5%85%b6%e5%ba%8f%e5%88%97%e7%9a%84%e4%bd%bf%e7%94%a8%e6%96%b9%e6%a1%88%e7%b0%a1%e4%bb%8b-grUIavtSnP\">Oracle\u540c\u7fa9\u8a5e\u548c\u5176\u5e8f\u5217\u7684\u4f7f\u7528\u65b9\u6848\u7c21\u4ecb<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0cOracle\u662f\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u9078\u64c7\uff0c\u7279\u5225\u662f\u5728\u4f01\u696d\u74b0\u5883\u4e2d\u3002Oracle\u63d0\u4f9b\u4e86\u591a\u7a2e\u529f\u80fd\u4f86\u652f\u6301\u6578\u64da\u7684\u7ba1\u7406\u548c\u64cd\u4f5c\uff0c\u5176\u4e2d\u540c\u7fa9\u8a5e\uff08Synonyms\uff09\u548c\u5e8f\u5217\uff08Sequences\uff09\u662f\u5169\u500b\u91cd\u8981\u7684\u6982\u5ff5\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u5169\u8005\u7684\u5b9a\u7fa9\u3001\u7528\u9014\u53ca\u5176\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u7684\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e5%90%8c%e7%be%a9%e8%a9%9e%e7%9a%84%e5%ae%9a%e7%be%a9%e8%88%87%e7%94%a8%e9%80%94-grUIavtSnP\">\u540c\u7fa9\u8a5e\u7684\u5b9a\u7fa9\u8207\u7528\u9014<\/h2>\n<p>\u540c\u7fa9\u8a5e\u662fOracle\u6578\u64da\u5eab\u4e2d\u7684\u4e00\u7a2e\u5c0d\u8c61\uff0c\u5b83\u70ba\u5176\u4ed6\u6578\u64da\u5eab\u5c0d\u8c61\uff08\u5982\u8868\u3001\u8996\u5716\u3001\u7a0b\u5e8f\u7b49\uff09\u63d0\u4f9b\u4e86\u4e00\u500b\u66ff\u4ee3\u540d\u7a31\u3002\u9019\u6a23\u7684\u8a2d\u8a08\u4f7f\u5f97\u7528\u6236\u53ef\u4ee5\u66f4\u65b9\u4fbf\u5730\u8a2a\u554f\u9019\u4e9b\u5c0d\u8c61\uff0c\u800c\u4e0d\u5fc5\u8a18\u4f4f\u5176\u5b8c\u6574\u7684\u540d\u7a31\u6216\u6240\u5728\u7684\u64c1\u6709\u8005\u3002<\/p>\n<h3 id=\"%e5%90%8c%e7%be%a9%e8%a9%9e%e7%9a%84%e9%a1%9e%e5%9e%8b-grUIavtSnP\">\u540c\u7fa9\u8a5e\u7684\u985e\u578b<\/h3>\n<ul>\n<li><strong>\u516c\u5171\u540c\u7fa9\u8a5e\uff1a<\/strong>\u53ef\u88ab\u6240\u6709\u7528\u6236\u8a2a\u554f\u7684\u540c\u7fa9\u8a5e\u3002<\/li>\n<li><strong>\u79c1\u6709\u540c\u7fa9\u8a5e\uff1a<\/strong>\u50c5\u9650\u65bc\u5275\u5efa\u8a72\u540c\u7fa9\u8a5e\u7684\u7528\u6236\u8a2a\u554f\u3002<\/li>\n<\/ul>\n<h3 id=\"%e5%89%b5%e5%bb%ba%e5%90%8c%e7%be%a9%e8%a9%9e%e7%9a%84%e8%aa%9e%e6%b3%95-grUIavtSnP\">\u5275\u5efa\u540c\u7fa9\u8a5e\u7684\u8a9e\u6cd5<\/h3>\n<pre><code>CREATE [PUBLIC] SYNONYM synonym_name FOR object_name;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u70ba\u540d\u70ba\u201cemployees\u201d\u7684\u8868\u5275\u5efa\u4e00\u500b\u516c\u5171\u540c\u7fa9\u8a5e\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n<pre><code>CREATE PUBLIC SYNONYM emp FOR employees;<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u4efb\u4f55\u7528\u6236\u90fd\u53ef\u4ee5\u901a\u904e\u201cemp\u201d\u4f86\u8a2a\u554f\u201cemployees\u201d\u8868\uff0c\u5f9e\u800c\u7c21\u5316\u4e86\u67e5\u8a62\u7684\u904e\u7a0b\u3002<\/p>\n<h2 id=\"%e5%ba%8f%e5%88%97%e7%9a%84%e5%ae%9a%e7%be%a9%e8%88%87%e7%94%a8%e9%80%94-grUIavtSnP\">\u5e8f\u5217\u7684\u5b9a\u7fa9\u8207\u7528\u9014<\/h2>\n<p>\u5e8f\u5217\u662f\u4e00\u7a2e\u6578\u64da\u5eab\u5c0d\u8c61\uff0c\u7528\u65bc\u751f\u6210\u552f\u4e00\u7684\u6578\u5b57\uff0c\u901a\u5e38\u7528\u65bc\u4e3b\u9375\u7684\u81ea\u52d5\u589e\u9577\u3002\u5e8f\u5217\u5728\u591a\u7528\u6236\u74b0\u5883\u4e2d\u7279\u5225\u6709\u7528\uff0c\u56e0\u70ba\u5b83\u80fd\u5920\u4fdd\u8b49\u751f\u6210\u7684\u6578\u5b57\u662f\u552f\u4e00\u7684\uff0c\u4e26\u4e14\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u4e8b\u52d9\u4e2d\u5b89\u5168\u5730\u4f7f\u7528\u3002<\/p>\n<h3 id=\"%e5%ba%8f%e5%88%97%e7%9a%84%e5%89%b5%e5%bb%ba%e8%88%87%e4%bd%bf%e7%94%a8-grUIavtSnP\">\u5e8f\u5217\u7684\u5275\u5efa\u8207\u4f7f\u7528<\/h3>\n<p>\u5275\u5efa\u5e8f\u5217\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE SEQUENCE sequence_name\nSTART WITH start_value\nINCREMENT BY increment_value\nNOCACHE;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u5275\u5efa\u4e00\u500b\u540d\u70ba\u201cemp_seq\u201d\u7684\u5e8f\u5217\uff0c\u5f9e1\u958b\u59cb\uff0c\u6bcf\u6b21\u589e\u52a01\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n<pre><code>CREATE SEQUENCE emp_seq\nSTART WITH 1\nINCREMENT BY 1\nNOCACHE;<\/code><\/pre>\n<p>\u4f7f\u7528\u5e8f\u5217\u751f\u6210\u6578\u5b57\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>SELECT emp_seq.NEXTVAL FROM dual;<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u5e8f\u5217\u7684\u4e0b\u4e00\u500b\u503c\uff0c\u4e26\u4e14\u53ef\u4ee5\u7528\u65bc\u63d2\u5165\u65b0\u8a18\u9304\u6642\u7684\u4e3b\u9375\u3002<\/p>\n<h2 id=\"%e5%90%8c%e7%be%a9%e8%a9%9e%e8%88%87%e5%ba%8f%e5%88%97%e7%9a%84%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8-grUIavtSnP\">\u540c\u7fa9\u8a5e\u8207\u5e8f\u5217\u7684\u5be6\u969b\u61c9\u7528<\/h2>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u540c\u7fa9\u8a5e\u548c\u5e8f\u5217\u53ef\u4ee5\u7d50\u5408\u4f7f\u7528\uff0c\u4ee5\u63d0\u9ad8\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u9748\u6d3b\u6027\u548c\u6548\u7387\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u500b\u5927\u578b\u4f01\u696d\u4e2d\uff0c\u53ef\u80fd\u6703\u6709\u591a\u500b\u90e8\u9580\u9700\u8981\u8a2a\u554f\u540c\u4e00\u500b\u8868\u3002\u901a\u904e\u5275\u5efa\u516c\u5171\u540c\u7fa9\u8a5e\uff0c\u6240\u6709\u90e8\u9580\u90fd\u53ef\u4ee5\u65b9\u4fbf\u5730\u8a2a\u554f\u8a72\u8868\uff0c\u800c\u4e0d\u5fc5\u64d4\u5fc3\u8868\u7684\u5177\u9ad4\u540d\u7a31\u6216\u64c1\u6709\u8005\u3002<\/p>\n<p>\u540c\u6642\uff0c\u5e8f\u5217\u53ef\u4ee5\u7528\u4f86\u81ea\u52d5\u751f\u6210\u6bcf\u500b\u90e8\u9580\u7684\u54e1\u5de5\u7de8\u865f\uff0c\u78ba\u4fdd\u6bcf\u500b\u7de8\u865f\u90fd\u662f\u552f\u4e00\u7684\uff0c\u5f9e\u800c\u907f\u514d\u4e86\u6578\u64da\u7684\u91cd\u8907\u548c\u885d\u7a81\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-grUIavtSnP\">\u7d50\u8ad6<\/h2>\n<p>Oracle\u7684\u540c\u7fa9\u8a5e\u548c\u5e8f\u5217\u529f\u80fd\u70ba\u6578\u64da\u5eab\u7ba1\u7406\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u652f\u6301\u3002\u901a\u904e\u4f7f\u7528\u540c\u7fa9\u8a5e\uff0c\u7528\u6236\u53ef\u4ee5\u7c21\u5316\u5c0d\u6578\u64da\u5eab\u5c0d\u8c61\u7684\u8a2a\u554f\uff0c\u800c\u5e8f\u5217\u5247\u78ba\u4fdd\u4e86\u6578\u64da\u7684\u552f\u4e00\u6027\u548c\u5b8c\u6574\u6027\u3002\u9019\u4e9b\u529f\u80fd\u5728\u4f01\u696d\u7d1a\u61c9\u7528\u4e2d\u5c24\u70ba\u91cd\u8981\uff0c\u80fd\u5920\u6709\u6548\u63d0\u9ad8\u6578\u64da\u64cd\u4f5c\u7684\u6548\u7387\u548c\u5b89\u5168\u6027\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u53ca\u5176\u76f8\u95dc\u670d\u52d9\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Oracle\u540c\u7fa9\u8a5e\u53ca\u5176\u5e8f\u5217\u7684\u4f7f\u7528\u65b9\u6848\uff0c\u4e86\u89e3\u5982\u4f55\u63d0\u5347\u6578\u64da\u67e5\u8a62\u6548\u7387\u548c\u7ba1\u7406\u9748\u6d3b\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-96094","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96094","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=96094"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96094\/revisions"}],"predecessor-version":[{"id":96095,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96094\/revisions\/96095"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96094"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96094"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96094"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}