{"id":96068,"date":"2024-10-20T06:20:18","date_gmt":"2024-10-19T22:20:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96068\/"},"modified":"2024-10-20T06:20:18","modified_gmt":"2024-10-19T22:20:18","slug":"oracle%e7%b4%a2%e5%bc%95%e7%9a%84%e5%84%aa%e5%8c%96%e8%a8%ad%e8%a8%88","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96068\/","title":{"rendered":"Oracle\u7d22\u5f15\u7684\u512a\u5316\u8a2d\u8a08"},"content":{"rendered":"<h1 id=\"oracle%e7%b4%a2%e5%bc%95%e7%9a%84%e5%84%aa%e5%8c%96%e8%a8%ad%e8%a8%88-ydjFUjsuaQ\">Oracle\u7d22\u5f15\u7684\u512a\u5316\u8a2d\u8a08<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u7d22\u5f15\u662f\u4e00\u7a2e\u91cd\u8981\u7684\u6578\u64da\u7d50\u69cb\uff0c\u7528\u65bc\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002Oracle\u6578\u64da\u5eab\u4f5c\u70ba\u4e00\u500b\u5f37\u5927\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u7d22\u5f15\u985e\u578b\u548c\u512a\u5316\u8a2d\u8a08\u7684\u9078\u9805\u3002\u672c\u6587\u5c07\u63a2\u8a0eOracle\u7d22\u5f15\u7684\u512a\u5316\u8a2d\u8a08\uff0c\u5e6b\u52a9\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u548c\u958b\u767c\u8005\u66f4\u6709\u6548\u5730\u4f7f\u7528\u7d22\u5f15\u4f86\u63d0\u5347\u67e5\u8a62\u6548\u7387\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e7%b4%a2%e5%bc%95%ef%bc%9f-ydjFUjsuaQ\">\u4ec0\u9ebc\u662f\u7d22\u5f15\uff1f<\/h2>\n<p>\u7d22\u5f15\u662f\u4e00\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u80fd\u5920\u52a0\u901f\u6578\u64da\u6aa2\u7d22\u7684\u904e\u7a0b\u3002\u5b83\u985e\u4f3c\u65bc\u66f8\u7c4d\u7684\u76ee\u9304\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u5feb\u901f\u627e\u5230\u6240\u9700\u7684\u4fe1\u606f\u3002\u5728Oracle\u4e2d\uff0c\u7d22\u5f15\u53ef\u4ee5\u7528\u65bc\u52a0\u901f\u67e5\u8a62\u3001\u6392\u5e8f\u548c\u9023\u63a5\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"oracle%e4%b8%ad%e7%9a%84%e7%b4%a2%e5%bc%95%e9%a1%9e%e5%9e%8b-ydjFUjsuaQ\">Oracle\u4e2d\u7684\u7d22\u5f15\u985e\u578b<\/h2>\n<ul>\n<li><strong>B\u6a39\u7d22\u5f15<\/strong>\uff1a\u6700\u5e38\u7528\u7684\u7d22\u5f15\u985e\u578b\uff0c\u9069\u5408\u65bc\u7bc4\u570d\u67e5\u8a62\u3002<\/li>\n<li><strong>\u4f4d\u5716\u7d22\u5f15<\/strong>\uff1a\u9069\u5408\u65bc\u4f4e\u57fa\u6578\u7684\u5217\uff0c\u80fd\u5920\u6709\u6548\u5730\u58d3\u7e2e\u6578\u64da\u3002<\/li>\n<li><strong>\u53cd\u5411\u9375\u7d22\u5f15<\/strong>\uff1a\u7528\u65bc\u9632\u6b62\u7d22\u5f15\u7684\u71b1\u9ede\u554f\u984c\uff0c\u7279\u5225\u662f\u5728\u63d2\u5165\u64cd\u4f5c\u983b\u7e41\u7684\u60c5\u6cc1\u4e0b\u3002<\/li>\n<li><strong>\u51fd\u6578\u7d22\u5f15<\/strong>\uff1a\u5141\u8a31\u5c0d\u5217\u7684\u8a08\u7b97\u7d50\u679c\u9032\u884c\u7d22\u5f15\uff0c\u9069\u5408\u65bc\u9700\u8981\u8a08\u7b97\u7684\u67e5\u8a62\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b4%a2%e5%bc%95%e5%84%aa%e5%8c%96%e7%9a%84%e8%a8%ad%e8%a8%88%e5%8e%9f%e5%89%87-ydjFUjsuaQ\">\u7d22\u5f15\u512a\u5316\u7684\u8a2d\u8a08\u539f\u5247<\/h2>\n<h3 id=\"1-%e9%81%b8%e6%93%87%e5%90%88%e9%81%a9%e7%9a%84%e7%b4%a2%e5%bc%95%e9%a1%9e%e5%9e%8b-ydjFUjsuaQ\">1. \u9078\u64c7\u5408\u9069\u7684\u7d22\u5f15\u985e\u578b<\/h3>\n<p>\u6839\u64da\u67e5\u8a62\u7684\u7279\u6027\u9078\u64c7\u5408\u9069\u7684\u7d22\u5f15\u985e\u578b\u662f\u512a\u5316\u7684\u7b2c\u4e00\u6b65\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u7d93\u5e38\u9032\u884c\u7bc4\u570d\u67e5\u8a62\u7684\u5217\uff0cB\u6a39\u7d22\u5f15\u662f\u6700\u4f73\u9078\u64c7\uff1b\u800c\u5c0d\u65bc\u9700\u8981\u9032\u884c\u5927\u91cf\u67e5\u8a62\u7684\u4f4e\u57fa\u6578\u5217\uff0c\u4f4d\u5716\u7d22\u5f15\u5247\u66f4\u70ba\u5408\u9069\u3002<\/p>\n<h3 id=\"2-%e9%99%90%e5%88%b6%e7%b4%a2%e5%bc%95%e7%9a%84%e6%95%b8%e9%87%8f-ydjFUjsuaQ\">2. \u9650\u5236\u7d22\u5f15\u7684\u6578\u91cf<\/h3>\n<p>\u96d6\u7136\u7d22\u5f15\u80fd\u5920\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u4f46\u904e\u591a\u7684\u7d22\u5f15\u6703\u5f71\u97ff\u6578\u64da\u7684\u63d2\u5165\u3001\u66f4\u65b0\u548c\u522a\u9664\u64cd\u4f5c\u7684\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u61c9\u8a72\u6839\u64da\u5be6\u969b\u9700\u6c42\u4f86\u9650\u5236\u7d22\u5f15\u7684\u6578\u91cf\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u958b\u92b7\u3002<\/p>\n<h3 id=\"3-%e5%ae%9a%e6%9c%9f%e9%87%8d%e5%bb%ba%e7%b4%a2%e5%bc%95-ydjFUjsuaQ\">3. \u5b9a\u671f\u91cd\u5efa\u7d22\u5f15<\/h3>\n<p>\u96a8\u8457\u6578\u64da\u7684\u589e\u9577\u548c\u8b8a\u5316\uff0c\u7d22\u5f15\u53ef\u80fd\u6703\u8b8a\u5f97\u4e0d\u518d\u9ad8\u6548\u3002\u5b9a\u671f\u91cd\u5efa\u7d22\u5f15\u53ef\u4ee5\u5e6b\u52a9\u6062\u5fa9\u5176\u6027\u80fd\u3002Oracle\u63d0\u4f9b\u4e86ALTER INDEX\u547d\u4ee4\u4f86\u91cd\u5efa\u7d22\u5f15\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre><code>ALTER INDEX index_name REBUILD;<\/code><\/pre>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8%e7%b5%84%e5%90%88%e7%b4%a2%e5%bc%95-ydjFUjsuaQ\">4. \u4f7f\u7528\u7d44\u5408\u7d22\u5f15<\/h3>\n<p>\u5c0d\u65bc\u7d93\u5e38\u4e00\u8d77\u67e5\u8a62\u7684\u591a\u500b\u5217\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u7d44\u5408\u7d22\u5f15\u3002\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u67e5\u8a62\u6642\u7684\u7d22\u5f15\u67e5\u627e\u6b21\u6578\uff0c\u63d0\u9ad8\u6027\u80fd\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>CREATE INDEX idx_combined ON table_name (column1, column2);<\/code><\/pre>\n<h3 id=\"5-%e7%9b%a3%e6%8e%a7%e5%92%8c%e5%88%86%e6%9e%90%e6%9f%a5%e8%a9%a2%e6%80%a7%e8%83%bd-ydjFUjsuaQ\">5. \u76e3\u63a7\u548c\u5206\u6790\u67e5\u8a62\u6027\u80fd<\/h3>\n<p>\u4f7f\u7528Oracle\u7684\u6027\u80fd\u76e3\u63a7\u5de5\u5177\uff0c\u5982AWR\u5831\u544a\u548cSQL Trace\uff0c\u53ef\u4ee5\u5e6b\u52a9\u8b58\u5225\u6027\u80fd\u74f6\u9838\uff0c\u5f9e\u800c\u9032\u884c\u91dd\u5c0d\u6027\u7684\u7d22\u5f15\u512a\u5316\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-ydjFUjsuaQ\">\u7d50\u8ad6<\/h2>\n<p>Oracle\u7d22\u5f15\u7684\u512a\u5316\u8a2d\u8a08\u662f\u4e00\u500b\u6301\u7e8c\u7684\u904e\u7a0b\uff0c\u9700\u8981\u6839\u64da\u5be6\u969b\u7684\u67e5\u8a62\u9700\u6c42\u548c\u6578\u64da\u8b8a\u5316\u9032\u884c\u8abf\u6574\u3002\u901a\u904e\u9078\u64c7\u5408\u9069\u7684\u7d22\u5f15\u985e\u578b\u3001\u9650\u5236\u7d22\u5f15\u6578\u91cf\u3001\u5b9a\u671f\u91cd\u5efa\u7d22\u5f15\u3001\u4f7f\u7528\u7d44\u5408\u7d22\u5f15\u4ee5\u53ca\u76e3\u63a7\u67e5\u8a62\u6027\u80fd\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u67e5\u8a62\u6548\u7387\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc\u65bc<code>VPS<\/code>\u3001<code>\u9999\u6e2fvps<\/code>\u3001<code>\u670d\u52a1\u5668<\/code>\u3001<code>\u4e91\u670d\u52a1\u5668<\/code>\u53ca<code>\u9999\u6e2f\u670d\u52a1\u5668<\/code>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Oracle\u7d22\u5f15\u7684\u512a\u5316\u8a2d\u8a08\uff0c\u63d0\u5347\u67e5\u8a62\u6027\u80fd\uff0c\u6e1b\u5c11\u8cc7\u6e90\u6d88\u8017\uff0c\u5be6\u73fe\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u8207\u5b58\u53d6\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-96068","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96068","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=96068"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96068\/revisions"}],"predecessor-version":[{"id":96069,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96068\/revisions\/96069"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96068"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96068"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96068"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}