{"id":160101,"date":"2024-11-03T20:17:20","date_gmt":"2024-11-03T12:17:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160101\/"},"modified":"2024-11-03T20:17:21","modified_gmt":"2024-11-03T12:17:21","slug":"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-create-synonym","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160101\/","title":{"rendered":"OceanBase \u6559\u7a0b\uff1aOceanBase CREATE SYNONYM"},"content":{"rendered":"<h1 id=\"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-create-synonym-dBNCTsEZJy\">OceanBase \u6559\u7a0b\uff1aOceanBase CREATE SYNONYM<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0cOceanBase \u4f5c\u70ba\u4e00\u500b\u9ad8\u6027\u80fd\u7684\u5206\u4f48\u5f0f\u6578\u64da\u5eab\uff0c\u8d8a\u4f86\u8d8a\u53d7\u5230\u958b\u767c\u8005\u548c\u4f01\u696d\u7684\u9752\u775e\u3002\u5b83\u4e0d\u50c5\u652f\u6301\u9ad8\u4e26\u767c\u7684\u8b80\u5beb\u64cd\u4f5c\uff0c\u9084\u5177\u5099\u826f\u597d\u7684\u64f4\u5c55\u6027\u548c\u5bb9\u932f\u80fd\u529b\u3002\u5728\u9019\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u5c07\u6df1\u5165\u63a2\u8a0e OceanBase \u4e2d\u7684 <code>CREATE SYNONYM<\/code> \u8a9e\u53e5\uff0c\u5e6b\u52a9\u8b80\u8005\u7406\u89e3\u5176\u7528\u6cd5\u53ca\u5be6\u969b\u61c9\u7528\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-synonym%ef%bc%9f-dBNCTsEZJy\">\u4ec0\u9ebc\u662f SYNONYM\uff1f<\/h2>\n<p>SYNONYM\uff08\u540c\u7fa9\u8a5e\uff09\u662f\u4e00\u7a2e\u6578\u64da\u5eab\u5c0d\u8c61\uff0c\u5b83\u70ba\u5176\u4ed6\u6578\u64da\u5eab\u5c0d\u8c61\uff08\u5982\u8868\u3001\u8996\u5716\u3001\u5e8f\u5217\u7b49\uff09\u63d0\u4f9b\u4e86\u4e00\u500b\u5225\u540d\u3002\u4f7f\u7528 SYNONYM \u53ef\u4ee5\u7c21\u5316 SQL \u8a9e\u53e5\uff0c\u7279\u5225\u662f\u5728\u8de8\u7528\u6236\u6216\u8de8\u6a21\u5f0f\u8a2a\u554f\u5c0d\u8c61\u6642\u3002\u9019\u6a23\uff0c\u958b\u767c\u8005\u7121\u9700\u6bcf\u6b21\u90fd\u6307\u5b9a\u5b8c\u6574\u7684\u5c0d\u8c61\u540d\u7a31\uff0c\u5f9e\u800c\u63d0\u9ad8\u4e86\u4ee3\u78bc\u7684\u53ef\u8b80\u6027\u548c\u53ef\u7dad\u8b77\u6027\u3002<\/p>\n<h2 id=\"create-synonym-%e8%aa%9e%e6%b3%95-dBNCTsEZJy\">CREATE SYNONYM \u8a9e\u6cd5<\/h2>\n<p>\u5728 OceanBase \u4e2d\uff0c<code>CREATE SYNONYM<\/code> \u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE [OR REPLACE] SYNONYM [schema.]synonym_name FOR [schema.]object_name;<\/code><\/pre>\n<ul>\n<li><code>OR REPLACE<\/code>\uff1a\u53ef\u9078\uff0c\u8868\u793a\u5982\u679c\u540c\u540d\u7684\u540c\u7fa9\u8a5e\u5df2\u5b58\u5728\uff0c\u5247\u66ff\u63db\u5b83\u3002<\/li>\n<li><code>schema<\/code>\uff1a\u53ef\u9078\uff0c\u8868\u793a\u6578\u64da\u5eab\u6a21\u5f0f\u3002\u5982\u679c\u4e0d\u6307\u5b9a\uff0c\u5247\u4f7f\u7528\u7576\u524d\u7528\u6236\u7684\u6a21\u5f0f\u3002<\/li>\n<li><code>synonym_name<\/code>\uff1a\u5fc5\u9700\uff0c\u8868\u793a\u8981\u5275\u5efa\u7684\u540c\u7fa9\u8a5e\u540d\u7a31\u3002<\/li>\n<li><code>object_name<\/code>\uff1a\u5fc5\u9700\uff0c\u8868\u793a\u8981\u5275\u5efa\u540c\u7fa9\u8a5e\u7684\u5c0d\u8c61\u540d\u7a31\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e7%af%84%e4%be%8b-dBNCTsEZJy\">\u4f7f\u7528\u7bc4\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u7bc4\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728 OceanBase \u4e2d\u5275\u5efa\u540c\u7fa9\u8a5e\uff1a<\/p>\n<pre><code>CREATE SYNONYM my_table_syn FOR my_schema.my_table;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u70ba <code>my_schema<\/code> \u4e2d\u7684 <code>my_table<\/code> \u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba <code>my_table_syn<\/code> \u7684\u540c\u7fa9\u8a5e\u3002\u9019\u6a23\uff0c\u6211\u5011\u5728\u5f8c\u7e8c\u7684\u67e5\u8a62\u4e2d\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528 <code>my_table_syn<\/code> \u4f86\u8a2a\u554f <code>my_table<\/code>\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e5%90%8c%e7%be%a9%e8%a9%9e-dBNCTsEZJy\">\u67e5\u8a62\u540c\u7fa9\u8a5e<\/h2>\n<p>\u5275\u5efa\u540c\u7fa9\u8a5e\u5f8c\uff0c\u6211\u5011\u53ef\u4ee5\u50cf\u67e5\u8a62\u666e\u901a\u8868\u4e00\u6a23\u67e5\u8a62\u5b83\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT * FROM my_table_syn;<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u8fd4\u56de <code>my_table<\/code> \u4e2d\u7684\u6240\u6709\u6578\u64da\uff0c\u7121\u9700\u6307\u5b9a\u5b8c\u6574\u7684\u8868\u540d\u3002<\/p>\n<h2 id=\"%e5%88%aa%e9%99%a4%e5%90%8c%e7%be%a9%e8%a9%9e-dBNCTsEZJy\">\u522a\u9664\u540c\u7fa9\u8a5e<\/h2>\n<p>\u5982\u679c\u4e0d\u518d\u9700\u8981\u67d0\u500b\u540c\u7fa9\u8a5e\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>DROP SYNONYM<\/code> \u8a9e\u53e5\u5c07\u5176\u522a\u9664\u3002\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>DROP SYNONYM [schema.]synonym_name;<\/code><\/pre>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre><code>DROP SYNONYM my_table_syn;<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-dBNCTsEZJy\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u540c\u7fa9\u8a5e\u4e0d\u6703\u5f71\u97ff\u539f\u59cb\u5c0d\u8c61\u7684\u7d50\u69cb\u6216\u6578\u64da\u3002<\/li>\n<li>\u5982\u679c\u539f\u59cb\u5c0d\u8c61\u88ab\u522a\u9664\uff0c\u5247\u76f8\u61c9\u7684\u540c\u7fa9\u8a5e\u5c07\u5931\u6548\u3002<\/li>\n<li>\u5728\u4f7f\u7528\u540c\u7fa9\u8a5e\u6642\uff0c\u9700\u78ba\u4fdd\u7528\u6236\u64c1\u6709\u8a2a\u554f\u539f\u59cb\u5c0d\u8c61\u7684\u6b0a\u9650\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-dBNCTsEZJy\">\u7e3d\u7d50<\/h2>\n<p>\u5728 OceanBase \u4e2d\uff0c<code>CREATE SYNONYM<\/code> \u662f\u4e00\u500b\u975e\u5e38\u5be6\u7528\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u7c21\u5316 SQL \u8a9e\u53e5\uff0c\u63d0\u9ad8\u4ee3\u78bc\u7684\u53ef\u8b80\u6027\u548c\u53ef\u7dad\u8b77\u6027\u3002\u901a\u904e\u672c\u6587\u7684\u4ecb\u7d39\uff0c\u76f8\u4fe1\u8b80\u8005\u5c0d\u65bc\u5982\u4f55\u5275\u5efa\u548c\u4f7f\u7528\u540c\u7fa9\u8a5e\u6709\u4e86\u66f4\u6df1\u5165\u7684\u4e86\u89e3\u3002\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<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Learn how to use the CREATE SYNONYM command in OceanBase to simplify database object references and enhance your SQL queries efficiently.<\/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-160101","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160101","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=160101"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160101\/revisions"}],"predecessor-version":[{"id":160102,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160101\/revisions\/160102"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=160101"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=160101"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=160101"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}