{"id":195417,"date":"2024-11-13T14:49:47","date_gmt":"2024-11-13T06:49:47","guid":{"rendered":"https:\/\/server.hk\/cnblog\/195417\/"},"modified":"2024-11-13T14:49:48","modified_gmt":"2024-11-13T06:49:48","slug":"%e6%9c%89%e9%97%9coracle%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e5%90%8c%e7%be%a9%e8%a9%9e%e7%9a%84%e7%b0%a1%e5%96%ae%e4%bb%8b%e7%b4%b9","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/195417\/","title":{"rendered":"\u6709\u95dcOracle\u6578\u64da\u5eab\u4e2d\u540c\u7fa9\u8a5e\u7684\u7c21\u55ae\u4ecb\u7d39"},"content":{"rendered":"<h1 id=\"%e6%9c%89%e9%97%9coracle%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e5%90%8c%e7%be%a9%e8%a9%9e%e7%9a%84%e7%b0%a1%e5%96%ae%e4%bb%8b%e7%b4%b9-qsnAWnfSaB\">\u6709\u95dcOracle\u6578\u64da\u5eab\u4e2d\u540c\u7fa9\u8a5e\u7684\u7c21\u55ae\u4ecb\u7d39<\/h1>\n<p>\u5728Oracle\u6578\u64da\u5eab\u4e2d\uff0c\u540c\u7fa9\u8a5e\uff08Synonym\uff09\u662f\u4e00\u7a2e\u975e\u5e38\u6709\u7528\u7684\u6578\u64da\u5eab\u5c0d\u8c61\uff0c\u5b83\u53ef\u4ee5\u70ba\u5176\u4ed6\u6578\u64da\u5eab\u5c0d\u8c61\uff08\u5982\u8868\u3001\u8996\u5716\u3001\u5e8f\u5217\u3001\u7a0b\u5e8f\u7b49\uff09\u63d0\u4f9b\u4e00\u500b\u7c21\u55ae\u7684\u5225\u540d\u3002\u9019\u4f7f\u5f97\u7528\u6236\u5728\u8a2a\u554f\u9019\u4e9b\u5c0d\u8c61\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528\u66f4\u7c21\u55ae\u6216\u66f4\u6613\u8a18\u7684\u540d\u7a31\uff0c\u800c\u4e0d\u5fc5\u6bcf\u6b21\u90fd\u4f7f\u7528\u5b8c\u6574\u7684\u5c0d\u8c61\u540d\u7a31\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eOracle\u6578\u64da\u5eab\u4e2d\u540c\u7fa9\u8a5e\u7684\u6982\u5ff5\u3001\u985e\u578b\u53ca\u5176\u4f7f\u7528\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e5%90%8c%e7%be%a9%e8%a9%9e%e7%9a%84%e9%a1%9e%e5%9e%8b-qsnAWnfSaB\">\u540c\u7fa9\u8a5e\u7684\u985e\u578b<\/h2>\n<p>\u5728Oracle\u4e2d\uff0c\u540c\u7fa9\u8a5e\u4e3b\u8981\u5206\u70ba\u5169\u7a2e\u985e\u578b\uff1a<\/p>\n<ul>\n<li><strong>\u516c\u5171\u540c\u7fa9\u8a5e\uff08Public Synonym\uff09<\/strong>\uff1a\u9019\u7a2e\u540c\u7fa9\u8a5e\u5c0d\u6240\u6709\u7528\u6236\u53ef\u898b\uff0c\u4efb\u4f55\u7528\u6236\u90fd\u53ef\u4ee5\u4f7f\u7528\u5b83\u4f86\u8a2a\u554f\u76f8\u61c9\u7684\u6578\u64da\u5eab\u5c0d\u8c61\u3002\u516c\u5171\u540c\u7fa9\u8a5e\u901a\u5e38\u7528\u65bc\u5171\u4eab\u7684\u6578\u64da\u5eab\u5c0d\u8c61\uff0c\u65b9\u4fbf\u4e0d\u540c\u7528\u6236\u4e4b\u9593\u7684\u5354\u4f5c\u3002<\/li>\n<li><strong>\u79c1\u6709\u540c\u7fa9\u8a5e\uff08Private Synonym\uff09<\/strong>\uff1a\u9019\u7a2e\u540c\u7fa9\u8a5e\u50c5\u5c0d\u5275\u5efa\u5b83\u7684\u7528\u6236\u53ef\u898b\u3002\u5176\u4ed6\u7528\u6236\u7121\u6cd5\u8a2a\u554f\u9019\u4e9b\u79c1\u6709\u540c\u7fa9\u8a5e\uff0c\u9019\u6a23\u53ef\u4ee5\u4fdd\u8b77\u6578\u64da\u5eab\u5c0d\u8c61\u7684\u5b89\u5168\u6027\u548c\u96b1\u79c1\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%89%b5%e5%bb%ba%e5%90%8c%e7%be%a9%e8%a9%9e-qsnAWnfSaB\">\u5275\u5efa\u540c\u7fa9\u8a5e<\/h2>\n<p>\u5728Oracle\u4e2d\uff0c\u5275\u5efa\u540c\u7fa9\u8a5e\u7684\u8a9e\u6cd5\u76f8\u5c0d\u7c21\u55ae\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u516c\u5171\u540c\u7fa9\u8a5e\u548c\u79c1\u6709\u540c\u7fa9\u8a5e\u7684\u57fa\u672c\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>-- \u5275\u5efa\u516c\u5171\u540c\u7fa9\u8a5e\nCREATE PUBLIC SYNONYM synonym_name FOR object_name;\n\n-- \u5275\u5efa\u79c1\u6709\u540c\u7fa9\u8a5e\nCREATE SYNONYM synonym_name FOR object_name;<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u8a9e\u6cd5\u4e2d\uff0c<code>synonym_name<\/code>\u662f\u60a8\u5e0c\u671b\u5275\u5efa\u7684\u540c\u7fa9\u8a5e\u540d\u7a31\uff0c\u800c<code>object_name<\/code>\u662f\u60a8\u5e0c\u671b\u70ba\u5176\u5275\u5efa\u540c\u7fa9\u8a5e\u7684\u6578\u64da\u5eab\u5c0d\u8c61\u540d\u7a31\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e5%90%8c%e7%be%a9%e8%a9%9e-qsnAWnfSaB\">\u4f7f\u7528\u540c\u7fa9\u8a5e<\/h2>\n<p>\u4e00\u65e6\u5275\u5efa\u4e86\u540c\u7fa9\u8a5e\uff0c\u7528\u6236\u5c31\u53ef\u4ee5\u50cf\u4f7f\u7528\u539f\u59cb\u5c0d\u8c61\u4e00\u6a23\u4f7f\u7528\u540c\u7fa9\u8a5e\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba<code>emp<\/code>\u7684\u540c\u7fa9\u8a5e\u4f86\u6307\u5411<code>employees<\/code>\u8868\uff0c\u5247\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u8a2a\u554f\u8a72\u8868\uff1a<\/p>\n<pre><code>SELECT * FROM emp;<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u60a8\u5c31\u4e0d\u9700\u8981\u6bcf\u6b21\u90fd\u5beb\u51fa\u5b8c\u6574\u7684\u8868\u540d\uff0c\u5f9e\u800c\u63d0\u9ad8\u4e86\u67e5\u8a62\u7684\u7c21\u4fbf\u6027\u548c\u53ef\u8b80\u6027\u3002<\/p>\n<h2 id=\"%e5%88%aa%e9%99%a4%e5%90%8c%e7%be%a9%e8%a9%9e-qsnAWnfSaB\">\u522a\u9664\u540c\u7fa9\u8a5e<\/h2>\n<p>\u5982\u679c\u4e0d\u518d\u9700\u8981\u67d0\u500b\u540c\u7fa9\u8a5e\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u6cd5\u5c07\u5176\u522a\u9664\uff1a<\/p>\n<pre><code>-- \u522a\u9664\u516c\u5171\u540c\u7fa9\u8a5e\nDROP PUBLIC SYNONYM synonym_name;\n\n-- \u522a\u9664\u79c1\u6709\u540c\u7fa9\u8a5e\nDROP SYNONYM synonym_name;<\/code><\/pre>\n<h2 id=\"%e5%90%8c%e7%be%a9%e8%a9%9e%e7%9a%84%e5%84%aa%e5%8b%a2-qsnAWnfSaB\">\u540c\u7fa9\u8a5e\u7684\u512a\u52e2<\/h2>\n<p>\u4f7f\u7528\u540c\u7fa9\u8a5e\u6709\u591a\u500b\u512a\u52e2\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u7c21\u5316\u67e5\u8a62\uff1a<\/strong>\u540c\u7fa9\u8a5e\u4f7f\u5f97\u67e5\u8a62\u8a9e\u53e5\u66f4\u7c21\u6f54\uff0c\u6613\u65bc\u95b1\u8b80\u548c\u7dad\u8b77\u3002<\/li>\n<li><strong>\u63d0\u9ad8\u5b89\u5168\u6027\uff1a<\/strong>\u901a\u904e\u4f7f\u7528\u540c\u7fa9\u8a5e\uff0c\u53ef\u4ee5\u96b1\u85cf\u5be6\u969b\u7684\u6578\u64da\u5eab\u5c0d\u8c61\u540d\u7a31\uff0c\u5f9e\u800c\u63d0\u9ad8\u5b89\u5168\u6027\u3002<\/li>\n<li><strong>\u652f\u6301\u6578\u64da\u5eab\u91cd\u69cb\uff1a<\/strong>\u5728\u6578\u64da\u5eab\u7d50\u69cb\u8b8a\u66f4\u6642\uff0c\u53ea\u9700\u66f4\u65b0\u540c\u7fa9\u8a5e\uff0c\u800c\u4e0d\u5fc5\u4fee\u6539\u6240\u6709\u5f15\u7528\u8a72\u5c0d\u8c61\u7684\u67e5\u8a62\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-qsnAWnfSaB\">\u7e3d\u7d50<\/h2>\n<p>\u540c\u7fa9\u8a5e\u5728Oracle\u6578\u64da\u5eab\u4e2d\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u7c21\u5316\u6578\u64da\u5eab\u5c0d\u8c61\u7684\u8a2a\u554f\uff0c\u63d0\u9ad8\u67e5\u8a62\u7684\u53ef\u8b80\u6027\u548c\u5b89\u5168\u6027\u3002\u7121\u8ad6\u662f\u516c\u5171\u540c\u7fa9\u8a5e\u9084\u662f\u79c1\u6709\u540c\u7fa9\u8a5e\uff0c\u90fd\u80fd\u70ba\u7528\u6236\u63d0\u4f9b\u9748\u6d3b\u7684\u6578\u64da\u5eab\u64cd\u4f5c\u65b9\u5f0f\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u7ba1\u7406\u6578\u64da\u5eab\u7684\u7528\u6236\u4f86\u8aaa\uff0c\u7406\u89e3\u548c\u904b\u7528\u540c\u7fa9\u8a5e\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3Oracle\u6578\u64da\u5eab\u4e2d\u7684\u540c\u7fa9\u8a5e\uff0c\u7c21\u55ae\u4ecb\u7d39\u5176\u5b9a\u7fa9\u3001\u7528\u9014\u53ca\u5982\u4f55\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\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-195417","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195417","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=195417"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195417\/revisions"}],"predecessor-version":[{"id":195418,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195417\/revisions\/195418"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=195417"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=195417"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=195417"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}