{"id":95874,"date":"2024-10-20T04:43:16","date_gmt":"2024-10-19T20:43:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/95874\/"},"modified":"2024-10-20T04:43:17","modified_gmt":"2024-10-19T20:43:17","slug":"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b3%bb%e7%b5%b1%e4%b8%ad2%e5%80%8b%e9%85%8d%e5%a5%97%e6%b5%81%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/95874\/","title":{"rendered":"Oracle\u6578\u64da\u5eab\u7cfb\u7d71\u4e2d2\u500b\u914d\u5957\u6d41\u7a0b"},"content":{"rendered":"<h1 id=\"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b3%bb%e7%b5%b1%e4%b8%ad2%e5%80%8b%e9%85%8d%e5%a5%97%e6%b5%81%e7%a8%8b-cuyADzdVJz\">Oracle\u6578\u64da\u5eab\u7cfb\u7d71\u4e2d2\u500b\u914d\u5957\u6d41\u7a0b<\/h1>\n<p>Oracle\u6578\u64da\u5eab\u7cfb\u7d71\u662f\u4e00\u500b\u529f\u80fd\u5f37\u5927\u7684\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u4f01\u696d\u74b0\u5883\u4e2d\u3002\u70ba\u4e86\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u53ef\u7528\u6027\uff0cOracle\u63d0\u4f9b\u4e86\u591a\u7a2e\u914d\u5957\u6d41\u7a0b\u4f86\u652f\u6301\u6578\u64da\u7684\u7ba1\u7406\u548c\u64cd\u4f5c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5169\u500b\u91cd\u8981\u7684\u914d\u5957\u6d41\u7a0b\uff1a\u6578\u64da\u5099\u4efd\u8207\u6062\u5fa9\uff0c\u4ee5\u53ca\u6027\u80fd\u512a\u5316\u3002<\/p>\n<h2 id=\"1-%e6%95%b8%e6%93%9a%e5%82%99%e4%bb%bd%e8%88%87%e6%81%a2%e5%be%a9-cuyADzdVJz\">1. \u6578\u64da\u5099\u4efd\u8207\u6062\u5fa9<\/h2>\n<p>\u6578\u64da\u5099\u4efd\u662f\u78ba\u4fdd\u6578\u64da\u5b89\u5168\u7684\u95dc\u9375\u6b65\u9a5f\u3002Oracle\u6578\u64da\u5eab\u63d0\u4f9b\u4e86\u591a\u7a2e\u5099\u4efd\u9078\u9805\uff0c\u5305\u62ec\u7269\u7406\u5099\u4efd\u548c\u908f\u8f2f\u5099\u4efd\u3002\u7269\u7406\u5099\u4efd\u901a\u5e38\u6d89\u53ca\u5230\u6574\u500b\u6578\u64da\u5eab\u6587\u4ef6\u7684\u8907\u88fd\uff0c\u800c\u908f\u8f2f\u5099\u4efd\u5247\u662f\u5c07\u6578\u64da\u4ee5SQL\u8a9e\u53e5\u7684\u5f62\u5f0f\u5c0e\u51fa\u3002<\/p>\n<h3 id=\"%e7%89%a9%e7%90%86%e5%82%99%e4%bb%bd-cuyADzdVJz\">\u7269\u7406\u5099\u4efd<\/h3>\n<p>\u7269\u7406\u5099\u4efd\u53ef\u4ee5\u901a\u904eOracle Recovery Manager\uff08RMAN\uff09\u4f86\u5be6\u73fe\u3002RMAN\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u81ea\u52d5\u5316\u5099\u4efd\u904e\u7a0b\uff0c\u4e26\u63d0\u4f9b\u589e\u91cf\u5099\u4efd\u7684\u529f\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528RMAN\u9032\u884c\u5168\u5099\u4efd\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>RMAN&gt; BACKUP DATABASE;<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u6703\u5275\u5efa\u6574\u500b\u6578\u64da\u5eab\u7684\u5099\u4efd\u3002\u9664\u4e86\u5168\u5099\u4efd\uff0cRMAN\u9084\u652f\u6301\u589e\u91cf\u5099\u4efd\uff0c\u9019\u6a23\u53ef\u4ee5\u7bc0\u7701\u5b58\u5132\u7a7a\u9593\u548c\u6642\u9593\u3002<\/p>\n<h3 id=\"%e9%82%8f%e8%bc%af%e5%82%99%e4%bb%bd-cuyADzdVJz\">\u908f\u8f2f\u5099\u4efd<\/h3>\n<p>\u908f\u8f2f\u5099\u4efd\u901a\u5e38\u4f7f\u7528Oracle\u7684Data Pump\u5de5\u5177\u4f86\u5be6\u73fe\u3002Data Pump\u5141\u8a31\u7528\u6236\u5c0e\u51fa\u548c\u5c0e\u5165\u6578\u64da\uff0c\u4e26\u652f\u6301\u591a\u7a2e\u683c\u5f0f\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u5c0e\u51fa\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>expdp username\/password DIRECTORY=dpump_dir DUMPFILE=mydata.dmp SCHEMAS=my_schema;<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u6703\u5c0e\u51fa\u6307\u5b9a\u6a21\u5f0f\u7684\u6578\u64da\u5230\u4e00\u500b.dmp\u6587\u4ef6\u4e2d\u3002\u6062\u5fa9\u904e\u7a0b\u5247\u53ef\u4ee5\u4f7f\u7528impdp\u547d\u4ee4\u4f86\u5be6\u73fe\u3002<\/p>\n<h2 id=\"2-%e6%80%a7%e8%83%bd%e5%84%aa%e5%8c%96-cuyADzdVJz\">2. \u6027\u80fd\u512a\u5316<\/h2>\n<p>\u6027\u80fd\u512a\u5316\u662f\u78ba\u4fddOracle\u6578\u64da\u5eab\u9ad8\u6548\u904b\u884c\u7684\u53e6\u4e00\u500b\u91cd\u8981\u6d41\u7a0b\u3002\u9019\u5305\u62ec\u67e5\u8a62\u512a\u5316\u3001\u7d22\u5f15\u7ba1\u7406\u548c\u8cc7\u6e90\u914d\u7f6e\u7b49\u65b9\u9762\u3002<\/p>\n<h3 id=\"%e6%9f%a5%e8%a9%a2%e5%84%aa%e5%8c%96-cuyADzdVJz\">\u67e5\u8a62\u512a\u5316<\/h3>\n<p>\u67e5\u8a62\u512a\u5316\u662f\u63d0\u9ad8\u6578\u64da\u5eab\u6027\u80fd\u7684\u95dc\u9375\u3002Oracle\u63d0\u4f9b\u4e86\u591a\u7a2e\u5de5\u5177\u4f86\u5e6b\u52a9\u7528\u6236\u5206\u6790\u548c\u512a\u5316\u67e5\u8a62\u3002\u4f8b\u5982\uff0c\u4f7f\u7528EXPLAIN PLAN\u547d\u4ee4\u53ef\u4ee5\u67e5\u770b\u67e5\u8a62\u7684\u57f7\u884c\u8a08\u5283\uff1a<\/p>\n<pre><code>EXPLAIN PLAN FOR SELECT * FROM my_table WHERE column1 = 'value';<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u986f\u793aOracle\u5982\u4f55\u57f7\u884c\u8a72\u67e5\u8a62\uff0c\u5e6b\u52a9\u7528\u6236\u8b58\u5225\u6f5b\u5728\u7684\u6027\u80fd\u74f6\u9838\u3002<\/p>\n<h3 id=\"%e7%b4%a2%e5%bc%95%e7%ae%a1%e7%90%86-cuyADzdVJz\">\u7d22\u5f15\u7ba1\u7406<\/h3>\n<p>\u7d22\u5f15\u662f\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u7684\u91cd\u8981\u5de5\u5177\u3002Oracle\u652f\u6301\u591a\u7a2e\u7d22\u5f15\u985e\u578b\uff0c\u5305\u62ecB\u6a39\u7d22\u5f15\u548c\u4f4d\u5716\u7d22\u5f15\u3002\u7528\u6236\u53ef\u4ee5\u6839\u64da\u67e5\u8a62\u7684\u7279\u6027\u9078\u64c7\u5408\u9069\u7684\u7d22\u5f15\u985e\u578b\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u5275\u5efaB\u6a39\u7d22\u5f15\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE INDEX my_index ON my_table(column1);<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u5728my_table\u7684column1\u4e0a\u5275\u5efa\u4e00\u500bB\u6a39\u7d22\u5f15\uff0c\u5f9e\u800c\u52a0\u5feb\u67e5\u8a62\u901f\u5ea6\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-cuyADzdVJz\">\u7e3d\u7d50<\/h2>\n<p>\u5728Oracle\u6578\u64da\u5eab\u7cfb\u7d71\u4e2d\uff0c\u6578\u64da\u5099\u4efd\u8207\u6062\u5fa9\u4ee5\u53ca\u6027\u80fd\u512a\u5316\u662f\u5169\u500b\u81f3\u95dc\u91cd\u8981\u7684\u914d\u5957\u6d41\u7a0b\u3002\u901a\u904e\u6709\u6548\u7684\u5099\u4efd\u7b56\u7565\u548c\u6027\u80fd\u512a\u5316\u63aa\u65bd\uff0c\u4f01\u696d\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u7cfb\u7d71\u7684\u9ad8\u6548\u904b\u884c\u3002\u82e5\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u9999\u6e2f\u4f7f\u7528<a href=\"https:\/\/server.hk\">VPS<\/a>\u4f86\u90e8\u7f72Oracle\u6578\u64da\u5eab\u6709\u8208\u8da3\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Oracle\u6578\u64da\u5eab\u7cfb\u7d71\u4e2d\u7684\u5169\u500b\u95dc\u9375\u914d\u5957\u6d41\u7a0b\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\u8207\u7cfb\u7d71\u6027\u80fd\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-95874","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95874","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=95874"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95874\/revisions"}],"predecessor-version":[{"id":95875,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95874\/revisions\/95875"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=95874"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=95874"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=95874"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}