{"id":153067,"date":"2024-11-02T04:21:18","date_gmt":"2024-11-01T20:21:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/153067\/"},"modified":"2024-11-02T04:21:18","modified_gmt":"2024-11-01T20:21:18","slug":"%e5%89%b5%e5%bb%ba-oracle-%e5%90%8c%e7%be%a9%e8%a9%9e%e5%b8%b6%e4%be%86%e7%9a%84-3-%e7%a8%ae%e6%84%8f%e5%a4%96%e9%a9%9a%e5%96%9c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/153067\/","title":{"rendered":"\u5275\u5efa Oracle \u540c\u7fa9\u8a5e\u5e36\u4f86\u7684 3 \u7a2e\u610f\u5916\u9a5a\u559c"},"content":{"rendered":"<h1 id=\"%e5%89%b5%e5%bb%ba-oracle-%e5%90%8c%e7%be%a9%e8%a9%9e%e5%b8%b6%e4%be%86%e7%9a%84-3-%e7%a8%ae%e6%84%8f%e5%a4%96%e9%a9%9a%e5%96%9c-tXMCsiIyGT\">\u5275\u5efa Oracle \u540c\u7fa9\u8a5e\u5e36\u4f86\u7684 3 \u7a2e\u610f\u5916\u9a5a\u559c<\/h1>\n<p>\u5728 Oracle \u6578\u64da\u5eab\u4e2d\uff0c\u540c\u7fa9\u8a5e\uff08Synonym\uff09\u662f\u4e00\u7a2e\u975e\u5e38\u6709\u7528\u7684\u529f\u80fd\uff0c\u80fd\u5920\u7c21\u5316\u5c0d\u6578\u64da\u5eab\u5c0d\u8c61\u7684\u8a2a\u554f\u3002\u901a\u904e\u5275\u5efa\u540c\u7fa9\u8a5e\uff0c\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u4ee5\u4f7f\u7528\u66f4\u7c21\u55ae\u7684\u540d\u7a31\u4f86\u5f15\u7528\u8868\u3001\u8996\u5716\u3001\u7a0b\u5e8f\u7b49\u5c0d\u8c61\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5275\u5efa Oracle \u540c\u7fa9\u8a5e\u6240\u5e36\u4f86\u7684\u4e09\u7a2e\u610f\u5916\u9a5a\u559c\uff0c\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u7406\u89e3\u5176\u6f5b\u5728\u7684\u597d\u8655\u3002<\/p>\n<h2 id=\"1-%e7%b0%a1%e5%8c%96%e5%b0%8d%e8%b1%a1%e8%a8%aa%e5%95%8f-tXMCsiIyGT\">1. \u7c21\u5316\u5c0d\u8c61\u8a2a\u554f<\/h2>\n<p>\u5728\u5927\u578b\u6578\u64da\u5eab\u4e2d\uff0c\u5c0d\u8c61\u7684\u540d\u7a31\u53ef\u80fd\u975e\u5e38\u5197\u9577\u4e14\u8907\u96dc\u3002\u9019\u4f7f\u5f97\u5728\u67e5\u8a62\u6216\u8abf\u7528\u9019\u4e9b\u5c0d\u8c61\u6642\u8b8a\u5f97\u7e41\u7463\u3002\u901a\u904e\u5275\u5efa\u540c\u7fa9\u8a5e\uff0c\u60a8\u53ef\u4ee5\u70ba\u9019\u4e9b\u5c0d\u8c61\u63d0\u4f9b\u4e00\u500b\u7c21\u77ed\u4e14\u6613\u65bc\u8a18\u61b6\u7684\u540d\u7a31\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u60a8\u6709\u4e00\u500b\u540d\u70ba <code>long_schema_name.long_table_name<\/code> \u7684\u8868\uff0c\u60a8\u53ef\u4ee5\u5275\u5efa\u4e00\u500b\u540c\u7fa9\u8a5e\u4f86\u7c21\u5316\u8a2a\u554f\uff1a<\/p>\n<pre><code>CREATE SYNONYM short_name FOR long_schema_name.long_table_name;<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u60a8\u5728\u67e5\u8a62\u6642\u53ea\u9700\u4f7f\u7528 <code>short_name<\/code>\uff0c\u800c\u4e0d\u5fc5\u6bcf\u6b21\u90fd\u8f38\u5165\u5b8c\u6574\u7684\u540d\u7a31\uff0c\u5f9e\u800c\u63d0\u9ad8\u4e86\u958b\u767c\u6548\u7387\u3002<\/p>\n<h2 id=\"2-%e6%8f%90%e9%ab%98%e4%bb%a3%e7%a2%bc%e7%9a%84%e5%8f%af%e8%ae%80%e6%80%a7-tXMCsiIyGT\">2. \u63d0\u9ad8\u4ee3\u78bc\u7684\u53ef\u8b80\u6027<\/h2>\n<p>\u5728\u958b\u767c\u904e\u7a0b\u4e2d\uff0c\u4ee3\u78bc\u7684\u53ef\u8b80\u6027\u81f3\u95dc\u91cd\u8981\u3002\u4f7f\u7528\u540c\u7fa9\u8a5e\u53ef\u4ee5\u4f7f SQL \u67e5\u8a62\u66f4\u52a0\u6e05\u6670\uff0c\u7279\u5225\u662f\u5728\u6d89\u53ca\u591a\u500b\u6578\u64da\u5eab\u5c0d\u8c61\u6642\u3002\u8209\u4f8b\u4f86\u8aaa\uff0c\u5047\u8a2d\u60a8\u6709\u591a\u500b\u8868\u548c\u8996\u5716\uff0c\u4f7f\u7528\u540c\u7fa9\u8a5e\u53ef\u4ee5\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u7d44\u7e54\u4ee3\u78bc\uff0c\u8b93\u5176\u4ed6\u958b\u767c\u8005\u66f4\u5bb9\u6613\u7406\u89e3\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT * FROM short_name WHERE condition;<\/code><\/pre>\n<p>\u9019\u6a23\u7684\u4ee3\u78bc\u6bd4\u8d77\u4f7f\u7528\u5b8c\u6574\u7684\u5c0d\u8c61\u540d\u7a31\u4f86\u5f97\u66f4\u70ba\u76f4\u89c0\uff0c\u7279\u5225\u662f\u5728\u5718\u968a\u5408\u4f5c\u4e2d\uff0c\u80fd\u5920\u6e1b\u5c11\u8aa4\u89e3\u548c\u932f\u8aa4\u3002<\/p>\n<h2 id=\"3-%e6%94%af%e6%8c%81%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e9%9d%88%e6%b4%bb%e6%80%a7-tXMCsiIyGT\">3. \u652f\u6301\u6578\u64da\u5eab\u7684\u9748\u6d3b\u6027<\/h2>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u5c0d\u8c61\u7684\u7d50\u69cb\u548c\u4f4d\u7f6e\u53ef\u80fd\u6703\u96a8\u8457\u6642\u9593\u800c\u8b8a\u5316\u3002\u4f7f\u7528\u540c\u7fa9\u8a5e\u53ef\u4ee5\u8b93\u60a8\u5728\u4e0d\u5f71\u97ff\u73fe\u6709\u4ee3\u78bc\u7684\u60c5\u6cc1\u4e0b\uff0c\u8f15\u9b06\u5730\u91cd\u547d\u540d\u6216\u79fb\u52d5\u6578\u64da\u5eab\u5c0d\u8c61\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u9700\u8981\u5c07\u8868 <code>long_table_name<\/code> \u79fb\u52d5\u5230\u53e6\u4e00\u500b\u6a21\u5f0f\u4e2d\uff0c\u60a8\u53ea\u9700\u66f4\u65b0\u540c\u7fa9\u8a5e\uff0c\u800c\u4e0d\u5fc5\u4fee\u6539\u6240\u6709\u5f15\u7528\u8a72\u8868\u7684 SQL \u67e5\u8a62\uff1a<\/p>\n<pre><code>CREATE OR REPLACE SYNONYM short_name FOR new_schema.long_table_name;<\/code><\/pre>\n<p>\u9019\u6a23\u7684\u9748\u6d3b\u6027\u4e0d\u50c5\u7bc0\u7701\u4e86\u6642\u9593\uff0c\u9084\u964d\u4f4e\u4e86\u51fa\u932f\u7684\u98a8\u96aa\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-tXMCsiIyGT\">\u7e3d\u7d50<\/h2>\n<p>\u5275\u5efa Oracle \u540c\u7fa9\u8a5e\u4e0d\u50c5\u80fd\u5920\u7c21\u5316\u5c0d\u8c61\u8a2a\u554f\uff0c\u9084\u80fd\u63d0\u9ad8\u4ee3\u78bc\u7684\u53ef\u8b80\u6027\u548c\u652f\u6301\u6578\u64da\u5eab\u7684\u9748\u6d3b\u6027\u3002\u9019\u4e9b\u610f\u5916\u9a5a\u559c\u4f7f\u5f97\u540c\u7fa9\u8a5e\u6210\u70ba\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u5de5\u5177\u3002\u82e5\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u7ba1\u7406\u548c\u904b\u884c\u60a8\u7684\u6578\u64da\u5eab\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5275\u5efa Oracle \u540c\u7fa9\u8a5e\u7684\u4e09\u7a2e\u610f\u5916\u9a5a\u559c\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u589e\u5f37\u67e5\u8a62\u9748\u6d3b\u6027\uff0c\u7c21\u5316\u958b\u767c\u6d41\u7a0b\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-153067","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153067","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=153067"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153067\/revisions"}],"predecessor-version":[{"id":153068,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153067\/revisions\/153068"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=153067"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=153067"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=153067"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}