{"id":161869,"date":"2024-11-04T10:01:30","date_gmt":"2024-11-04T02:01:30","guid":{"rendered":"https:\/\/server.hk\/cnblog\/161869\/"},"modified":"2024-11-04T10:01:31","modified_gmt":"2024-11-04T02:01:31","slug":"%e6%80%a5%e9%9c%80%e8%a7%a3%e6%b1%ba%ef%bc%81oracle-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%9f%b7%e8%a1%8c%e9%80%9f%e5%ba%a6%e6%85%a2%e5%88%b0%e8%ae%93%e4%ba%ba%e6%8a%93%e7%8b%82-oracle-%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/161869\/","title":{"rendered":"\u6025\u9700\u89e3\u6c7a\uff01Oracle \u6578\u64da\u5eab\u57f7\u884c\u901f\u5ea6\u6162\u5230\u8b93\u4eba\u6293\u72c2 (oracle \u6578\u64da\u5eab\u57f7\u884c\u5f88\u6162)"},"content":{"rendered":"<h1 id=\"%e6%80%a5%e9%9c%80%e8%a7%a3%e6%b1%ba%ef%bc%81oracle-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%9f%b7%e8%a1%8c%e9%80%9f%e5%ba%a6%e6%85%a2%e5%88%b0%e8%ae%93%e4%ba%ba%e6%8a%93%e7%8b%82-wzfkoexgNG\">\u6025\u9700\u89e3\u6c7a\uff01Oracle \u6578\u64da\u5eab\u57f7\u884c\u901f\u5ea6\u6162\u5230\u8b93\u4eba\u6293\u72c2<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u5c0d\u65bc\u4f01\u696d\u7684\u904b\u71df\u81f3\u95dc\u91cd\u8981\u3002Oracle \u6578\u64da\u5eab\u4f5c\u70ba\u4e00\u6b3e\u529f\u80fd\u5f37\u5927\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u884c\u5404\u696d\u3002\u7136\u800c\uff0c\u8a31\u591a\u7528\u6236\u5728\u4f7f\u7528\u904e\u7a0b\u4e2d\u6703\u9047\u5230\u57f7\u884c\u901f\u5ea6\u7de9\u6162\u7684\u554f\u984c\uff0c\u9019\u4e0d\u50c5\u5f71\u97ff\u4e86\u696d\u52d9\u6548\u7387\uff0c\u9084\u53ef\u80fd\u5c0e\u81f4\u7528\u6236\u9ad4\u9a57\u4e0d\u4f73\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5c0e\u81f4 Oracle \u6578\u64da\u5eab\u57f7\u884c\u7de9\u6162\u7684\u5e38\u898b\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e5%b8%b8%e8%a6%8b%e5%8e%9f%e5%9b%a0-wzfkoexgNG\">\u5e38\u898b\u539f\u56e0<\/h2>\n<h3 id=\"1-%e4%b8%8d%e7%95%b6%e7%9a%84%e6%9f%a5%e8%a9%a2%e8%a8%ad%e8%a8%88-wzfkoexgNG\">1. \u4e0d\u7576\u7684\u67e5\u8a62\u8a2d\u8a08<\/h3>\n<p>\u67e5\u8a62\u7684\u8a2d\u8a08\u5c0d\u65bc\u6578\u64da\u5eab\u7684\u6027\u80fd\u5f71\u97ff\u6df1\u9060\u3002\u4e0d\u5408\u7406\u7684\u67e5\u8a62\u8a9e\u53e5\u53ef\u80fd\u5c0e\u81f4\u5168\u8868\u6383\u63cf\uff0c\u5f9e\u800c\u589e\u52a0\u57f7\u884c\u6642\u9593\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 <code>SELECT *<\/code> \u800c\u4e0d\u662f\u6307\u5b9a\u6240\u9700\u7684\u5217\uff0c\u6703\u4f7f\u6578\u64da\u5eab\u8fd4\u56de\u4e0d\u5fc5\u8981\u7684\u6578\u64da\uff0c\u6d6a\u8cbb\u8cc7\u6e90\u3002<\/p>\n<h3 id=\"2-%e7%bc%ba%e4%b9%8f%e7%b4%a2%e5%bc%95-wzfkoexgNG\">2. \u7f3a\u4e4f\u7d22\u5f15<\/h3>\n<p>\u7d22\u5f15\u662f\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u7684\u95dc\u9375\u3002\u5982\u679c\u8868\u4e2d\u7f3a\u4e4f\u9069\u7576\u7684\u7d22\u5f15\uff0c\u6578\u64da\u5eab\u5728\u67e5\u8a62\u6642\u9700\u8981\u9032\u884c\u5168\u8868\u6383\u63cf\uff0c\u9019\u6703\u986f\u8457\u964d\u4f4e\u57f7\u884c\u901f\u5ea6\u3002\u5efa\u8b70\u5b9a\u671f\u6aa2\u67e5\u548c\u512a\u5316\u7d22\u5f15\uff0c\u78ba\u4fdd\u5176\u80fd\u5920\u652f\u6301\u5e38\u7528\u7684\u67e5\u8a62\u3002<\/p>\n<h3 id=\"3-%e7%a1%ac%e9%ab%94%e8%b3%87%e6%ba%90%e4%b8%8d%e8%b6%b3-wzfkoexgNG\">3. \u786c\u9ad4\u8cc7\u6e90\u4e0d\u8db3<\/h3>\n<p>\u6578\u64da\u5eab\u7684\u6027\u80fd\u4e5f\u53d7\u5230\u786c\u9ad4\u8cc7\u6e90\u7684\u5f71\u97ff\u3002\u5982\u679c\u4f3a\u670d\u5668\u7684 CPU\u3001\u5167\u5b58\u6216\u78c1\u789f I\/O \u6027\u80fd\u4e0d\u8db3\uff0c\u5c07\u7121\u6cd5\u6eff\u8db3\u9ad8\u8ca0\u8f09\u7684\u9700\u6c42\u3002\u5b9a\u671f\u76e3\u63a7\u786c\u9ad4\u8cc7\u6e90\u7684\u4f7f\u7528\u60c5\u6cc1\uff0c\u4e26\u6839\u64da\u9700\u8981\u9032\u884c\u5347\u7d1a\u3002<\/p>\n<h3 id=\"4-%e4%bd%b5%e7%99%bc%e8%a8%aa%e5%95%8f%e5%95%8f%e9%a1%8c-wzfkoexgNG\">4. \u4f75\u767c\u8a2a\u554f\u554f\u984c<\/h3>\n<p>\u7576\u591a\u500b\u7528\u6236\u540c\u6642\u8a2a\u554f\u6578\u64da\u5eab\u6642\uff0c\u53ef\u80fd\u6703\u51fa\u73fe\u9396\u5b9a\u548c\u7af6\u722d\u689d\u4ef6\uff0c\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002\u4f7f\u7528\u9069\u7576\u7684\u9396\u5b9a\u6a5f\u5236\u548c\u4e8b\u52d9\u7ba1\u7406\u53ef\u4ee5\u6e1b\u5c11\u9019\u4e9b\u554f\u984c\u7684\u5f71\u97ff\u3002<\/p>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-wzfkoexgNG\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<h3 id=\"1-%e5%84%aa%e5%8c%96%e6%9f%a5%e8%a9%a2-wzfkoexgNG\">1. \u512a\u5316\u67e5\u8a62<\/h3>\n<p>\u5c0d\u65bc\u57f7\u884c\u7de9\u6162\u7684\u67e5\u8a62\uff0c\u9996\u5148\u61c9\u4f7f\u7528 <code>EXPLAIN PLAN<\/code> \u4f86\u5206\u6790\u67e5\u8a62\u8a08\u5283\uff0c\u627e\u51fa\u6027\u80fd\u74f6\u9838\u3002\u6839\u64da\u5206\u6790\u7d50\u679c\uff0c\u91cd\u5beb\u67e5\u8a62\u4ee5\u63d0\u9ad8\u6548\u7387\u3002\u4f8b\u5982\uff0c\u907f\u514d\u4f7f\u7528 <code>SELECT *<\/code>\uff0c\u4e26\u78ba\u4fdd\u53ea\u9078\u64c7\u5fc5\u8981\u7684\u5217\u3002<\/p>\n<h3 id=\"2-%e6%b7%bb%e5%8a%a0%e5%92%8c%e5%84%aa%e5%8c%96%e7%b4%a2%e5%bc%95-wzfkoexgNG\">2. \u6dfb\u52a0\u548c\u512a\u5316\u7d22\u5f15<\/h3>\n<p>\u6839\u64da\u67e5\u8a62\u7684\u7279\u9ede\uff0c\u6dfb\u52a0\u9069\u7576\u7684\u7d22\u5f15\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u4f7f\u7528 <code>CREATE INDEX<\/code> \u8a9e\u53e5\u4f86\u5275\u5efa\u7d22\u5f15\uff0c\u4e26\u5b9a\u671f\u6aa2\u67e5\u7d22\u5f15\u7684\u4f7f\u7528\u60c5\u6cc1\uff0c\u522a\u9664\u4e0d\u518d\u9700\u8981\u7684\u7d22\u5f15\u4ee5\u6e1b\u5c11\u958b\u92b7\u3002<\/p>\n<h3 id=\"3-%e5%8d%87%e7%b4%9a%e7%a1%ac%e9%ab%94%e8%b3%87%e6%ba%90-wzfkoexgNG\">3. \u5347\u7d1a\u786c\u9ad4\u8cc7\u6e90<\/h3>\n<p>\u5982\u679c\u767c\u73fe\u786c\u9ad4\u8cc7\u6e90\u6210\u70ba\u74f6\u9838\uff0c\u8003\u616e\u5347\u7d1a\u4f3a\u670d\u5668\u7684 CPU\u3001\u5167\u5b58\u6216\u4f7f\u7528\u66f4\u5feb\u7684 SSD \u78c1\u789f\u3002\u9019\u5c07\u6709\u52a9\u65bc\u63d0\u9ad8\u6574\u9ad4\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u9ad8\u8ca0\u8f09\u60c5\u6cc1\u4e0b\u3002<\/p>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8%e6%80%a7%e8%83%bd%e7%9b%a3%e6%8e%a7%e5%b7%a5%e5%85%b7-wzfkoexgNG\">4. \u4f7f\u7528\u6027\u80fd\u76e3\u63a7\u5de5\u5177<\/h3>\n<p>\u5229\u7528 Oracle \u63d0\u4f9b\u7684\u6027\u80fd\u76e3\u63a7\u5de5\u5177\uff0c\u5982 AWR\uff08Automatic Workload Repository\uff09\u5831\u544a\uff0c\u53ef\u4ee5\u5e6b\u52a9\u8b58\u5225\u6027\u80fd\u554f\u984c\u4e26\u63d0\u4f9b\u512a\u5316\u5efa\u8b70\u3002\u5b9a\u671f\u6aa2\u67e5\u9019\u4e9b\u5831\u544a\uff0c\u53ca\u6642\u8abf\u6574\u6578\u64da\u5eab\u914d\u7f6e\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-wzfkoexgNG\">\u7d50\u8ad6<\/h2>\n<p>Oracle \u6578\u64da\u5eab\u7684\u57f7\u884c\u901f\u5ea6\u6162\u53ef\u80fd\u7531\u591a\u7a2e\u56e0\u7d20\u9020\u6210\uff0c\u5305\u62ec\u4e0d\u7576\u7684\u67e5\u8a62\u8a2d\u8a08\u3001\u7f3a\u4e4f\u7d22\u5f15\u3001\u786c\u9ad4\u8cc7\u6e90\u4e0d\u8db3\u53ca\u4f75\u767c\u8a2a\u554f\u554f\u984c\u3002\u901a\u904e\u512a\u5316\u67e5\u8a62\u3001\u6dfb\u52a0\u7d22\u5f15\u3001\u5347\u7d1a\u786c\u9ad4\u8cc7\u6e90\u53ca\u4f7f\u7528\u6027\u80fd\u76e3\u63a7\u5de5\u5177\uff0c\u53ef\u4ee5\u6709\u6548\u6539\u5584\u6578\u64da\u5eab\u7684\u6027\u80fd\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u7684\u4f01\u696d\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u6216 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u4e5f\u662f\u4e00\u500b\u91cd\u8981\u7684\u8003\u91cf\uff0c\u9019\u5c07\u6709\u52a9\u65bc\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u7a69\u5b9a\u6027\u548c\u9ad8\u6548\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6025\u9700\u89e3\u6c7a\uff01\u63a2\u7d22Oracle\u6578\u64da\u5eab\u57f7\u884c\u901f\u5ea6\u6162\u7684\u539f\u56e0\u53ca\u89e3\u6c7a\u65b9\u6848\uff0c\u63d0\u5347\u6027\u80fd\uff0c\u8b93\u6578\u64da\u8655\u7406\u66f4\u9ad8\u6548\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-161869","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161869","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=161869"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161869\/revisions"}],"predecessor-version":[{"id":161870,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161869\/revisions\/161870"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=161869"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=161869"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=161869"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}