{"id":199945,"date":"2025-05-06T08:20:09","date_gmt":"2025-05-06T00:20:09","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199945\/"},"modified":"2025-05-06T08:20:09","modified_gmt":"2025-05-06T00:20:09","slug":"%e5%ba%94%e5%af%b9oracle%e6%95%b0%e6%8d%ae%e5%ba%93%e4%b8%ad%e7%a9%ba%e8%a1%a8%e5%af%bc%e5%87%ba%e5%9b%b0%e9%9a%be%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199945\/","title":{"rendered":"\u5e94\u5bf9Oracle\u6570\u636e\u5e93\u4e2d\u7a7a\u8868\u5bfc\u51fa\u56f0\u96be\u7684\u65b9\u6cd5"},"content":{"rendered":"

<\/b> <\/p>\n

\u5e94\u5bf9Oracle\u6570\u636e\u5e93\u4e2d\u7a7a\u8868\u5bfc\u51fa\u56f0\u96be\u7684\u65b9\u6cd5<\/h1>\n

\u7f16\u7a0b\u5e76\u4e0d\u662f\u4e00\u4e2a\u673a\u68b0\u6027\u7684\u5de5\u4f5c\uff0c\u800c\u662f\u9700\u8981\u6709\u601d\u8003\uff0c\u6709\u521b\u65b0\u7684\u5de5\u4f5c\uff0c\u8bed\u6cd5\u662f\u56fa\u5b9a\u7684\uff0c\u4f46\u89e3\u51b3\u95ee\u9898\u7684\u601d\u8def\u5219\u662f\u4f9d\u9760\u4eba\u7684\u601d\u7ef4\uff0c\u8fd9\u5c31\u9700\u8981\u6211\u4eec\u575a\u6301\u5b66\u4e60\u548c\u66f4\u65b0\u81ea\u5df1\u7684\u77e5\u8bc6\u3002\u4eca\u5929\u4e3b\u673a\u5b9d\u8d1d\u5c31\u6574\u7406\u5206\u4eab\u300a\u5e94\u5bf9Oracle\u6570\u636e\u5e93\u4e2d\u7a7a\u8868\u5bfc\u51fa\u56f0\u96be\u7684\u65b9\u6cd5\u300b\uff0c\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec\uff0c\u5982\u679c\u4f60\u5bf9\u6570\u636e\u5e93\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\u4e3b\u673a\u5b9d\u8d1d\uff0c\u5728\u8fd9\u53ef\u4ee5\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5f00\u53d1\u80fd\u529b\u7684\u63d0\u5347\u3002<\/p>\n

\u7a7a\u8868\u5bfc\u51fa\u662f\u6570\u636e\u5e93\u7ba1\u7406\u4e2d\u5e38\u89c1\u7684\u64cd\u4f5c\uff0c\u4f46\u6709\u65f6\u5019\u9047\u5230\u7a7a\u8868\u5bfc\u51fa\u5374\u9047\u5230\u4e86\u56f0\u96be\uff0c\u8fd9\u65f6\u5019\u6211\u4eec\u9700\u8981\u4f7f\u7528\u4e00\u4e9b\u7279\u5b9a\u7684\u7b56\u7565\u548c\u6280\u5de7\u6765\u89e3\u51b3\u95ee\u9898\u3002\u5728Oracle\u6570\u636e\u5e93\u4e2d\uff0c\u7a7a\u8868\u5bfc\u51fa\u7684\u56f0\u96be\u901a\u5e38\u51fa\u73b0\u5728\u5bfc\u51fa\u540e\u7684\u6587\u4ef6\u4e3a\u7a7a\u6216\u8005\u5bfc\u51fa\u64cd\u4f5c\u672c\u8eab\u51fa\u73b0\u9519\u8bef\u7684\u60c5\u51b5\u3002\u4e0b\u9762\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u9488\u5bf9\u8fd9\u4e9b\u95ee\u9898\u7684\u5e94\u5bf9\u7b56\u7565\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u4f9b\u53c2\u8003\u3002<\/p>\n

\u7b56\u7565\u4e00\uff1a\u68c0\u67e5\u5bfc\u51fa\u6587\u4ef6\u8def\u5f84\u548c\u6743\u9650<\/h3>\n

\u5728\u5bfc\u51fa\u7a7a\u8868\u65f6\uff0c\u9996\u5148\u9700\u8981\u786e\u4fdd\u5bfc\u51fa\u7684\u6587\u4ef6\u8def\u5f84\u662f\u6b63\u786e\u7684\uff0c\u5e76\u4e14\u5bf9\u4e8e\u8fd9\u4e2a\u8def\u5f84\u6709\u5199\u5165\u6743\u9650\u3002\u5982\u679c\u8def\u5f84\u6216\u6743\u9650\u8bbe\u7f6e\u4e0d\u6b63\u786e\uff0c\u5bfc\u51fa\u6587\u4ef6\u53ef\u80fd\u4f1a\u751f\u6210\u5931\u8d25\u6216\u8005\u4e3a\u7a7a\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u68c0\u67e5\u6587\u4ef6\u8def\u5f84\u548c\u6743\u9650\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n

SELECT * FROM dba_directories;<\/pre>\n
\u8fd9\u6761SQL\u8bed\u53e5\u53ef\u4ee5\u5217\u51fa\u6570\u636e\u5e93\u4e2d\u5df2\u5b9a\u4e49\u7684\u76ee\u5f55\uff0c\u68c0\u67e5\u5bfc\u51fa\u8def\u5f84\u662f\u5426\u5728\u5176\u4e2d\uff0c\u5982\u679c\u6ca1\u6709\u53ef\u4ee5\u901a\u8fc7\u5982\u4e0bSQL\u8bed\u53e5\u5b9a\u4e49\u4e00\u4e2a\u65b0\u7684\u5bfc\u51fa\u76ee\u5f55\uff1a<\/p>\n
CREATE DIRECTORY export_dir AS '\/path\/to\/export\/directory';<\/pre>\n
\u7b56\u7565\u4e8c\uff1a\u4f7f\u7528expdp\u547d\u4ee4\u5bfc\u51fa\u6570\u636e<\/h3>\n
Oracle\u63d0\u4f9b\u4e86expdp\uff08\u6570\u636e\u6cf5\u5bfc\u51fa\uff09\u5de5\u5177\u6765\u8fdb\u884c\u6570\u636e\u5bfc\u51fa\u64cd\u4f5c\uff0c\u76f8\u6bd4\u4f20\u7edf\u7684exp\uff08\u4f20\u7edf\u5bfc\u51fa\uff09\u547d\u4ee4\uff0c\u6570\u636e\u6cf5\u53ef\u4ee5\u66f4\u52a0\u7075\u6d3b\u5730\u5904\u7406\u5bfc\u51fa\u64cd\u4f5c\uff0c\u4e5f\u66f4\u9002\u5408\u5904\u7406\u7a7a\u8868\u5bfc\u51fa\u7684\u60c5\u51b5\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528expdp\u547d\u4ee4\u5bfc\u51fa\u7a7a\u8868\u7684\u793a\u4f8b\uff1a<\/p>\n
expdp username\/password DIRECTORY=export_dir DUMPFILE=export.dmp TABLES=table_name<\/pre>\n
\u7b56\u7565\u4e09\uff1a\u68c0\u67e5\u8868\u662f\u5426\u5b58\u5728\u6570\u636e<\/h3>\n
\u6709\u65f6\u5019\u6211\u4eec\u8ba4\u4e3a\u8868\u662f\u7a7a\u7684\uff0c\u4f46\u5b9e\u9645\u4e0a\u53ef\u80fd\u5b58\u5728\u4e00\u4e9b\u9690\u85cf\u7684\u6570\u636e\u5bfc\u81f4\u5bfc\u51fa\u5931\u8d25\u3002\u56e0\u6b64\uff0c\u5728\u8fdb\u884c\u7a7a\u8868\u5bfc\u51fa\u4e4b\u524d\uff0c\u53ef\u4ee5\u5148\u68c0\u67e5\u4e00\u4e0b\u8868\u4e2d\u662f\u5426\u771f\u7684\u6ca1\u6709\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u68c0\u67e5\u8868\u6570\u636e\u884c\u6570\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
SELECT COUNT(*) FROM table_name;<\/pre>\n
\u7b56\u7565\u56db\uff1a\u5c1d\u8bd5\u91cd\u65b0\u5efa\u7acb\u8868\u7ed3\u6784\u5e76\u5bfc\u51fa<\/h3>\n
\u5982\u679c\u4ee5\u4e0a\u7b56\u7565\u90fd\u65e0\u6cd5\u89e3\u51b3\u95ee\u9898\uff0c\u53ef\u4ee5\u8003\u8651\u5c1d\u8bd5\u91cd\u65b0\u5efa\u7acb\u8868\u7ed3\u6784\u5e76\u5bfc\u51fa\u6570\u636e\u3002\u9996\u5148\u9700\u8981\u5c06\u8868\u7ed3\u6784\u5bfc\u51fa\uff0c\u7136\u540e\u5c06\u8868\u6e05\u7a7a\u6570\u636e\uff0c\u6700\u540e\u518d\u91cd\u65b0\u5bfc\u5165\u8868\u7ed3\u6784\u5e76\u5bfc\u51fa\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u64cd\u4f5c\u7684\u4ee3\u7801\uff1a<\/p>\n
expdp username\/password DIRECTORY=export_dir DUMPFILE=export_structure.dmp TABLES=table_name CONTENT=METADATA_ONLY\n\nTRUNCATE TABLE table_name;\n\nimpdp username\/password DIRECTORY=export_dir DUMPFILE=export_structure.dmp\n\nexpdp username\/password DIRECTORY=export_dir DUMPFILE=final_export.dmp TABLES=table_name<\/pre>\n
\u901a\u8fc7\u4ee5\u4e0a\u56db\u4e2a\u7b56\u7565\uff0c\u6211\u4eec\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u51b3\u5728Oracle\u6570\u636e\u5e93\u4e2d\u7a7a\u8868\u5bfc\u51fa\u9047\u5230\u56f0\u96be\u7684\u60c5\u51b5\u3002\u5728\u5b9e\u9645\u64cd\u4f5c\u4e2d\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u60c5\u51b5\u9009\u62e9\u9002\u5408\u7684\u7b56\u7565\u6765\u89e3\u51b3\u95ee\u9898\uff0c\u4fdd\u8bc1\u6570\u636e\u7684\u6b63\u786e\u5bfc\u51fa\u3002\u5e0c\u671b\u4ee5\u4e0a\u63d0\u4f9b\u7684\u7b56\u7565\u548c\u4ee3\u7801\u793a\u4f8b\u80fd\u591f\u5e2e\u52a9\u5230\u9047\u5230\u7c7b\u4f3c\u95ee\u9898\u7684\u8bfb\u8005\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\u4e3b\u673a\u5b9d\u8d1d\uff01\u66f4\u591a\u5173\u4e8e\u6570\u636e\u5e93\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u3002<\/p>\n
\n
\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
\u5e94\u5bf9Oracle\u6570\u636e\u5e93\u4e2d\u7a7a\u8868\u5bfc\u51fa...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-199945","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199945","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=199945"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199945\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199945"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199945"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199945"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}