{"id":311184,"date":"2024-01-17T14:45:10","date_gmt":"2024-01-17T06:45:10","guid":{"rendered":"https:\/\/www.idc.net\/help\/311184\/"},"modified":"2024-01-17T14:45:10","modified_gmt":"2024-01-17T06:45:10","slug":"%e6%9c%89%e5%85%b3oracle%e6%95%b0%e6%8d%ae%e5%ba%93%e4%b8%ad%e5%90%8c%e4%b9%89%e8%af%8d%e7%9a%84%e7%ae%80%e5%8d%95%e4%bb%8b%e7%bb%8d","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/311184\/","title":{"rendered":"\u6709\u5173Oracle\u6570\u636e\u5e93\u4e2d\u540c\u4e49\u8bcd\u7684\u7b80\u5355\u4ecb\u7ecd"},"content":{"rendered":"

Oracle\u6570\u636e\u5e93<\/strong>\u4e2d\u6709\u5173\u540c\u4e49\u8bcd<\/strong>\u7684\u4e00\u4e9b\u77e5\u8bc6\u662f\u6211\u4eec\u672c\u6587\u4e3b\u8981\u8981\u4ecb\u7ecd\u7684\u5185\u5bb9\uff0c\u9996\u5148\u6211\u4eec\u5148\u770b\u4e00\u4e2a\u8bed\u53e5\uff0c\u5982\u4e0b\uff1a<\/p>\n

create synonym table_name for user.table_name;<\/p>\n

\u5176\u4e2d***\u4e2auser_table\u548c\u7b2c\u4e8c\u4e2auser_table\u53ef\u4ee5\u4e0d\u4e00\u6837\u3002<\/p>\n

\u6b64\u5916\u5982\u679c\u8981\u521b\u5efa\u4e00\u4e2a\u8fdc\u7a0b\u7684\u6570\u636e\u5e93\u4e0a\u7684\u67d0\u5f20\u8868\u7684\u540c\u4e49\u8bcd\uff0c\u9700\u8981\u5148\u521b\u5efa\u4e00\u4e2aDatabase Link\uff08\u6570\u636e\u5e93\u8fde\u63a5\uff09\u6765\u6269\u5c55\u8bbf\u95ee\uff0c\u7136\u540e\u5728\u4f7f\u7528\u5982\u4e0b\u8bed\u53e5\u521b\u5efa\u6570\u636e\u5e93\u540c\u4e49\u8bcd\uff1acreate synonym table_name for table_name@DB_Link;<\/p>\n

\u5f53\u7136\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u5728user\u7528\u6237\u4e2d\u7ed9\u5f53\u524d\u7528\u6237(user2)\u6388\u6743\uff1a grant select\/delete\/update on user2\u3002<\/p>\n

\u521b\u5efa\u597d\u540c\u4e49\u8bcd\u4e4b\u540e\uff0c\u4f60\u53ef\u4ee5\u5bf9\u5b83\u8fdb\u884cDML\uff08insert\uff0cupdate\uff0cdelete\uff09\u64cd\u4f5c\uff0c\u5f53\u7136select\u8bed\u53e5\u65f6\u80af\u5b9a\u652f\u6301\u7684\u3002\u5220\u9664\u540c\u4e49\u8bcd\uff1adrop synonym table_name;\u8fd9\u91cc\u7684table_name\u662f\u6307\u540c\u4e49\u8bcd\u7684\u8868\u540d\u3002<\/p>\n

\u540c\u4e49\u8bcd\u62e5\u6709\u5982\u4e0b\u597d\u5904\uff1a\u8282\u7701\u5927\u91cf\u7684\u6570\u636e\u5e93\u7a7a\u95f4\uff0c\u5bf9\u4e0d\u540c\u7528\u6237\u7684\u64cd\u4f5c\u540c\u4e00\u5f20\u8868\u6ca1\u6709\u591a\u5c11\u5dee\u522b\uff1b\u6269\u5c55\u7684\u6570\u636e\u5e93\u7684\u4f7f\u7528\u8303\u56f4\uff0c\u80fd\u591f\u5728\u4e0d\u540c\u7684\u6570\u636e\u5e93\u7528\u6237\u4e4b\u95f4\u5b9e\u73b0\u65e0\u7f1d\u4ea4\u4e92\uff1b\u540c\u4e49\u8bcd\u53ef\u4ee5\u521b\u5efa\u5728\u4e0d\u540c\u4e00\u4e2a\u6570\u636e\u5e93\u670d\u52a1\u5668\u4e0a\uff0c\u901a\u8fc7\u7f51\u7edc\u5b9e\u73b0\u8fde\u63a5\u3002<\/p>\n

\u67e5\u770b\u6240\u6709\u540c\u4e49\u8bcd\uff1a<\/strong><\/p>\n

select * from dba_synonyms<\/p>\n

\u5728oracle\u4e2d\u521b\u5efa\u540c\u4e49\u8bcd\uff1a <\/strong><\/p>\n

 <\/p>\n

\u6211\u4eec\u90fd\u77e5\u9053\uff0c\u5728oracle\u4e2d\u5bf9\u7528\u6237\u7684\u7ba1\u7406\u662f\u4f7f\u7528\u6743\u9650\u7684\u65b9\u5f0f\u6765\u7ba1\u7406\u7684\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u5982\u679c\u6211\u4eec\u60f3\u4f7f\u7528\u6570\u636e\u5e93\uff0c\u6211\u4eec\u5c31\u5fc5\u987b\u5f97\u6709\u6743\u9650\uff0c\u4f46\u662f\u5982\u679c\u662f\u522b\u4eba\u5c06\u6743\u9650\u6388\u4e88\u4e86\u6211\u4eec\uff0c\u6211\u4eec\u4e5f\u662f\u80fd\u5bf9\u6570\u636e\u5e93\u8fdb\u884c\u64cd\u4f5c\u7684\uff0c\u4f46\u662f\u6211\u4eec\u5fc5\u987b\u8981\u5df2\u6388\u6743\u7684\u8868\u7684\u540d\u79f0\u524d\u952e\u5165\u8be5\u8868\u6240\u6709\u8005\u7684\u540d\u79f0\uff0c\u6240\u4ee5\u8fd9\u5c31\u662f\u6bd4\u8f83\u9ebb\u70e6\u7684\uff0c\u9047\u5230\u8fd9\u79cd\u60c5\u51b5\uff0c\u6211\u4eec\u8be5\u600e\u4e48\u529e\u5462\uff1f\u521b\u5efa\u4e2a\u540c\u4e49\u8bcd\u5427\uff01\u8fd9\u6837\u6211\u4eec\u5c31\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u540c\u4e49\u8bcd\u6765\u4f7f\u7528\u8868\u4e86\u3002<\/p>\n

\u521b\u5efa\u540c\u4e49\u8bcd\u7684\u5177\u4f53\u8bed\u6cd5\u662f\uff1acreate [public] SYNONYM synooym for object;\u5176\u4e2dsynooym\u8868\u793a\u8981\u521b\u5efa\u7684\u540c\u4e49\u8bcd\u7684\u540d\u79f0\uff0cobject\u8868\u793a\u8868\uff0c\u89c6\u56fe\uff0c\u5e8f\u5217\u7b49\u6211\u4eec\u8981\u521b\u5efa\u540c\u4e49\u8bcd\u7684\u5bf9\u8c61\u7684\u540d\u79f0\u3002<\/p>\n

CREATE PUBLIC SYNONYM public_emp FOR jward.emp; -- jward \u7528\u6237\u540d<\/p>\n

\u5220\u9664\u540c\u4e49\u8bcd\uff1a<\/strong><\/p>\n

\u4f7f\u7528DROP SYNONYM\u8bed\u53e5\u5220\u9664\u4e0d\u518d\u9700\u8981\u7684\u540c\u4e49\u8bcd\uff0c\u8981\u60f3\u5220\u9664\u79c1\u6709\u540c\u4e49\u8bcd \u5c31\u7701\u7565 PUBLIC \u5173\u952e\u5b57\u8981\u60f3\u5220\u9664\u516c\u5171\u540c\u4e49\u8bcd\u5c31\u8981\u5305\u62ecPUBLIC\u5173\u952e\u5b57\u3002<\/p>\n

DROP SYNONYM emp; --\u5220\u9664\u540d\u4e3aemp \u7684\u79c1\u6709\u540c\u4e49\u8bcd\u3002<\/p>\n

DROP PUBLIC SYNONYM public_emp; --\u5220\u9664\u540d\u4e3apublic_emp\u7684\u516c\u6709\u540c\u4e49\u8bcd\u3002<\/p>\n

\u5173\u4e8eOracle\u6570\u636e\u5e93\u540c\u4e49\u8bcd\u7684\u77e5\u8bc6\u5c31\u4ecb\u7ecd\u8fd9\u91cc\u4e86\uff0c\u5982\u679c\u60a8\u60f3\u4e86\u89e3\u66f4\u591aOracle\u6570\u636e\u5e93\u7684\u77e5\u8bc6\uff0c\u53ef\u4ee5\u770b\u4e00\u4e0b\u8fd9\u91cc\u7684\u6587\u7ae0\uff1ahttp:\/\/database.\/oracle\/\uff0c\u76f8\u4fe1\u4e00\u5b9a\u53ef\u4ee5\u7ed9\u60a8\u5e26\u6765\u6536\u83b7\u7684\u3002<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

Oracle\u6570\u636e\u5e93\u4e2d\u6709\u5173\u540c\u4e49\u8bcd\u7684\u4e00\u4e9b\u77e5\u8bc6\u662f\u6211\u4eec\u672c\u6587\u4e3b\u8981\u8981\u4ecb\u7ecd\u7684\u5185\u5bb9\uff0c\u9996\u5148\u6211\u4eec\u5148\u770b\u4e00\u4e2a\u8bed\u53e5\uff0c\u5982\u4e0b\uff1a create […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7038],"tags":[],"class_list":["post-311184","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/311184","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=311184"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/311184\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=311184"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=311184"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=311184"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}