{"id":96122,"date":"2024-10-20T06:47:16","date_gmt":"2024-10-19T22:47:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96122\/"},"modified":"2024-10-20T06:47:16","modified_gmt":"2024-10-19T22:47:16","slug":"oracle%e7%b3%bb%e7%b5%b1%e5%84%aa%e5%8c%96-%e6%87%89%e7%94%a8%e7%a8%8b%e5%ba%8f%e6%80%a7%e8%83%bd%e7%9a%84%e5%84%aa%e5%8c%96","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96122\/","title":{"rendered":"Oracle\u7cfb\u7d71\u512a\u5316&#8211;\u61c9\u7528\u7a0b\u5e8f\u6027\u80fd\u7684\u512a\u5316"},"content":{"rendered":"<h1 id=\"oracle%e7%b3%bb%e7%b5%b1%e5%84%aa%e5%8c%96-%e6%87%89%e7%94%a8%e7%a8%8b%e5%ba%8f%e6%80%a7%e8%83%bd%e7%9a%84%e5%84%aa%e5%8c%96-kBLaFcQNgv\">Oracle\u7cfb\u7d71\u512a\u5316&#8211;\u61c9\u7528\u7a0b\u5e8f\u6027\u80fd\u7684\u512a\u5316<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u5c0d\u65bc\u4f01\u696d\u7684\u6210\u529f\u81f3\u95dc\u91cd\u8981\u3002Oracle\u4f5c\u70ba\u4e00\u500b\u5f37\u5927\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u5de5\u5177\u548c\u6280\u8853\u4f86\u512a\u5316\u61c9\u7528\u7a0b\u5e8f\u6027\u80fd\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u901a\u904e\u4e0d\u540c\u7684\u7b56\u7565\u4f86\u512a\u5316Oracle\u7cfb\u7d71\u4e2d\u7684\u61c9\u7528\u7a0b\u5e8f\u6027\u80fd\u3002<\/p>\n<h2 id=\"1-%e7%9e%ad%e8%a7%a3%e6%80%a7%e8%83%bd%e7%93%b6%e9%a0%b8-kBLaFcQNgv\">1. \u77ad\u89e3\u6027\u80fd\u74f6\u9838<\/h2>\n<p>\u5728\u9032\u884c\u6027\u80fd\u512a\u5316\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u8b58\u5225\u6027\u80fd\u74f6\u9838\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u5f0f\u4f86\u5be6\u73fe\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u6027\u80fd\u76e3\u63a7\u5de5\u5177\uff1a<\/strong>Oracle\u63d0\u4f9b\u4e86\u591a\u7a2e\u6027\u80fd\u76e3\u63a7\u5de5\u5177\uff0c\u5982Oracle Enterprise Manager\uff0c\u9019\u4e9b\u5de5\u5177\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u5be6\u6642\u76e3\u63a7\u7cfb\u7d71\u6027\u80fd\u3002<\/li>\n<li><strong>\u67e5\u8a62\u57f7\u884c\u8a08\u5283\uff1a<\/strong>\u4f7f\u7528<code>EXPLAIN PLAN<\/code>\u547d\u4ee4\u4f86\u5206\u6790SQL\u67e5\u8a62\u7684\u57f7\u884c\u8a08\u5283\uff0c\u627e\u51fa\u53ef\u80fd\u7684\u6027\u80fd\u554f\u984c\u3002<\/li>\n<li><strong>\u5206\u6790\u7b49\u5f85\u4e8b\u4ef6\uff1a<\/strong>\u901a\u904e\u67e5\u8a62<code>V$SESSION<\/code>\u548c<code>V$SESSION_WAIT<\/code>\u8996\u5716\uff0c\u4e86\u89e3\u7cfb\u7d71\u4e2d\u5b58\u5728\u7684\u7b49\u5f85\u4e8b\u4ef6\u3002<\/li>\n<\/ul>\n<h2 id=\"2-sql%e6%9f%a5%e8%a9%a2%e5%84%aa%e5%8c%96-kBLaFcQNgv\">2. SQL\u67e5\u8a62\u512a\u5316<\/h2>\n<p>SQL\u67e5\u8a62\u7684\u6548\u7387\u76f4\u63a5\u5f71\u97ff\u5230\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u512a\u5316SQL\u67e5\u8a62\u7684\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u7d22\u5f15\uff1a<\/strong>\u9069\u7576\u5730\u4f7f\u7528\u7d22\u5f15\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u78ba\u4fdd\u5c0d\u7d93\u5e38\u67e5\u8a62\u7684\u5217\u5efa\u7acb\u7d22\u5f15\uff0c\u4f46\u4e5f\u8981\u6ce8\u610f\u904e\u591a\u7684\u7d22\u5f15\u6703\u5f71\u97ff\u5beb\u5165\u6027\u80fd\u3002<\/li>\n<li><strong>\u907f\u514d\u5168\u8868\u6383\u63cf\uff1a<\/strong>\u5728\u67e5\u8a62\u4e2d\u4f7f\u7528<code>WHERE<\/code>\u5b50\u53e5\u4f86\u9650\u5236\u8fd4\u56de\u7684\u884c\u6578\uff0c\u5f9e\u800c\u907f\u514d\u5168\u8868\u6383\u63cf\u3002<\/li>\n<li><strong>\u4f7f\u7528\u5408\u9069\u7684JOIN\u985e\u578b\uff1a<\/strong>\u6839\u64da\u6578\u64da\u7684\u7279\u6027\u9078\u64c7\u5408\u9069\u7684JOIN\u985e\u578b\uff0c\u4f8b\u5982INNER JOIN\u3001LEFT JOIN\u7b49\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/li>\n<\/ul>\n<h2 id=\"3-%e6%95%b8%e6%93%9a%e5%ba%ab%e9%85%8d%e7%bd%ae%e5%84%aa%e5%8c%96-kBLaFcQNgv\">3. \u6578\u64da\u5eab\u914d\u7f6e\u512a\u5316<\/h2>\n<p>\u6578\u64da\u5eab\u7684\u914d\u7f6e\u5c0d\u65bc\u6027\u80fd\u4e5f\u6709\u91cd\u8981\u5f71\u97ff\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u914d\u7f6e\u512a\u5316\u7684\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u8abf\u6574\u5167\u5b58\u53c3\u6578\uff1a<\/strong>\u6839\u64da\u61c9\u7528\u7a0b\u5e8f\u7684\u9700\u6c42\u8abf\u6574SGA\u548cPGA\u7684\u5927\u5c0f\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u80fd\u5920\u9ad8\u6548\u5730\u4f7f\u7528\u5167\u5b58\u3002<\/li>\n<li><strong>\u914d\u7f6e\u4e26\u884c\u8655\u7406\uff1a<\/strong>\u6839\u64da\u7cfb\u7d71\u7684\u786c\u4ef6\u8cc7\u6e90\u914d\u7f6e\u4e26\u884c\u8655\u7406\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8a62\u7684\u57f7\u884c\u901f\u5ea6\u3002<\/li>\n<li><strong>\u5b9a\u671f\u91cd\u7d44\u6578\u64da\uff1a<\/strong>\u96a8\u8457\u6578\u64da\u7684\u589e\u9577\uff0c\u5b9a\u671f\u91cd\u7d44\u6578\u64da\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u6e1b\u5c11\u788e\u7247\u3002<\/li>\n<\/ul>\n<h2 id=\"4-%e6%87%89%e7%94%a8%e7%a8%8b%e5%ba%8f%e5%b1%a4%e9%9d%a2%e7%9a%84%e5%84%aa%e5%8c%96-kBLaFcQNgv\">4. \u61c9\u7528\u7a0b\u5e8f\u5c64\u9762\u7684\u512a\u5316<\/h2>\n<p>\u9664\u4e86\u6578\u64da\u5eab\u5c64\u9762\u7684\u512a\u5316\uff0c\u61c9\u7528\u7a0b\u5e8f\u672c\u8eab\u7684\u8a2d\u8a08\u4e5f\u6703\u5f71\u97ff\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u61c9\u7528\u7a0b\u5e8f\u5c64\u9762\u7684\u512a\u5316\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u6e1b\u5c11\u7db2\u7d61\u5ef6\u9072\uff1a<\/strong>\u901a\u904e\u4f7f\u7528\u9023\u63a5\u6c60\u4f86\u6e1b\u5c11\u6bcf\u6b21\u8acb\u6c42\u7684\u9023\u63a5\u6642\u9593\uff0c\u5f9e\u800c\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u97ff\u61c9\u901f\u5ea6\u3002<\/li>\n<li><strong>\u512a\u5316\u4ee3\u78bc\u908f\u8f2f\uff1a<\/strong>\u78ba\u4fdd\u4ee3\u78bc\u908f\u8f2f\u7c21\u6f54\u9ad8\u6548\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u8a08\u7b97\u548c\u91cd\u8907\u67e5\u8a62\u3002<\/li>\n<li><strong>\u4f7f\u7528\u7de9\u5b58\u6280\u8853\uff1a<\/strong>\u5229\u7528\u7de9\u5b58\u6280\u8853\uff08\u5982Redis\u6216Memcached\uff09\u4f86\u5b58\u5132\u983b\u7e41\u8a2a\u554f\u7684\u6578\u64da\uff0c\u6e1b\u5c11\u5c0d\u6578\u64da\u5eab\u7684\u8acb\u6c42\u3002<\/li>\n<\/ul>\n<h2 id=\"5-%e5%ae%9a%e6%9c%9f%e8%a9%95%e4%bc%b0%e5%92%8c%e8%aa%bf%e6%95%b4-kBLaFcQNgv\">5. \u5b9a\u671f\u8a55\u4f30\u548c\u8abf\u6574<\/h2>\n<p>\u6027\u80fd\u512a\u5316\u662f\u4e00\u500b\u6301\u7e8c\u7684\u904e\u7a0b\u3002\u5b9a\u671f\u8a55\u4f30\u7cfb\u7d71\u6027\u80fd\uff0c\u6839\u64da\u5be6\u969b\u60c5\u6cc1\u9032\u884c\u8abf\u6574\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u65b9\u5f0f\u9032\u884c\u8a55\u4f30\uff1a<\/p>\n<ul>\n<li><strong>\u5b9a\u671f\u57f7\u884c\u6027\u80fd\u6e2c\u8a66\uff1a<\/strong>\u4f7f\u7528\u5de5\u5177\u5982LoadRunner\u6216JMeter\u9032\u884c\u6027\u80fd\u6e2c\u8a66\uff0c\u78ba\u4fdd\u7cfb\u7d71\u5728\u9ad8\u8ca0\u8f09\u4e0b\u4ecd\u80fd\u4fdd\u6301\u826f\u597d\u7684\u6027\u80fd\u3002<\/li>\n<li><strong>\u6536\u96c6\u7528\u6236\u53cd\u994b\uff1a<\/strong>\u901a\u904e\u7528\u6236\u53cd\u994b\u4e86\u89e3\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u554f\u984c\uff0c\u4e26\u6839\u64da\u53cd\u994b\u9032\u884c\u512a\u5316\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-kBLaFcQNgv\">\u7e3d\u7d50<\/h2>\n<p>\u512a\u5316Oracle\u7cfb\u7d71\u4e2d\u7684\u61c9\u7528\u7a0b\u5e8f\u6027\u80fd\u9700\u8981\u5f9e\u591a\u500b\u65b9\u9762\u5165\u624b\uff0c\u5305\u62ec\u8b58\u5225\u6027\u80fd\u74f6\u9838\u3001\u512a\u5316SQL\u67e5\u8a62\u3001\u8abf\u6574\u6578\u64da\u5eab\u914d\u7f6e\u4ee5\u53ca\u6539\u9032\u61c9\u7528\u7a0b\u5e8f\u8a2d\u8a08\u3002\u901a\u904e\u9019\u4e9b\u7b56\u7565\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\uff0c\u5f9e\u800c\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u548c\u696d\u52d9\u6548\u7387\u3002\u82e5\u60a8\u9700\u8981\u9032\u4e00\u6b65\u4e86\u89e3\u5982\u4f55\u9078\u64c7\u5408\u9069\u7684<code><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/code>\u6216<code><a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a><\/code>\u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63d0\u5347Oracle\u7cfb\u7d71\u6027\u80fd\uff0c\u512a\u5316\u61c9\u7528\u7a0b\u5e8f\u6548\u7387\uff0c\u78ba\u4fdd\u5feb\u901f\u97ff\u61c9\u8207\u7a69\u5b9a\u904b\u884c\uff0c\u52a9\u529b\u696d\u52d9\u589e\u9577\u8207\u6210\u529f\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-96122","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96122","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=96122"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96122\/revisions"}],"predecessor-version":[{"id":96123,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96122\/revisions\/96123"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96122"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96122"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96122"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}